Which statement about Major Histocompatibility Antigens is not true? Select one:
a. they are found in every cell in the human body.
b. there are class I and class II antigens.
c. class II antigens are only found on antigen-presenting cells like macrophages.
d. they are recognized by T cell receptors along with foreign epitopes.
e. all of the above is true.

Answers

Answer 1

All of the above is true.

What are  Antigens ?

Antigens are substances that can elicit an immune response in the body, usually by triggering the production of antibodies or activating T cells. Antigens can be either foreign or self-antigens, which are produced by the body's own cells and tissues. Examples of foreign antigens include bacteria, viruses, and other pathogens, while self-antigens can include proteins or other molecules that are produced by the body's own cells.

What is a bacteria ?

Bacteria are single-celled microorganisms that can exist as independent organisms or as parasites. They are found in all types of environments and are one of the three domains of life, along with archaea and eukaryotes. While some bacteria can cause diseases in humans, many other types of bacteria are beneficial and play important roles in nutrient cycling, digestion, and other biological processes.

To know more about bacteria visit :

https://brainly.com/question/15490180

#SPJ1


Related Questions

please select the two correct answers to test your understanding of the primary goals of antimicrobial treatment.

Answers

Two correct responses to test your comprehension of antimicrobial treatment's primary objectives. 1. to eradicate the infectious agent and 2. to be nontoxic to the host and produce no side results.

Therefore, the elimination of bacteria at the site of infection is the objective of antimicrobial therapy. Within the limitations of the design of clinical trials that are currently recommended, bacterial eradication is not typically evaluated as a primary endpoint.

Antimicrobial agents must possess three essential characteristics in order to maximize their therapeutic potential in critically ill patients: in vivo and in vitro efficacy, low toxicity, and reasonable cost.

Antimicrobials can be bactericidal or bacteriostatic, which stops the target bacterium or fungus from growing. Although bacteriostatic agents enable the host's normal defenses to destroy the microorganisms, bactericidal agents can be extremely beneficial.

To learn more about antimicrobials here

https://brainly.com/question/30478726

#SPJ4

Q- Select the two correct answers to test your understanding of the primary goals of antimicrobial treatment.

-To destroy the infective agent

-To kill malignant cells

-To be nontoxic to the host and produce no side effects

-To identify the cause of the infection

-To alter the normal microbiota of the patient

Which of the following is often used to describe a nonprofit organization that solicits financial support ffrom government agencies and private donors in order to engage in charitable activities?
A) Grant
B) Remittance
C) Foundation
D) Endowment

Answers

Nonprofit organizations that solicit financial support from government agencies and private donors in order to engage in charitable activities are often referred to as "Grants".

"What are nonprofit organizations?

Nonprofit organizations are establishments that exist for purposes other than generating income for their owners, directors, or shareholders. They have tax-exempt status since they do not engage in a for-profit business. Nonprofit organizations provide services that benefit the community or a particular group of people rather than a single owner or shareholders.

Grants refer to financial aid, usually given by governments or charitable organizations, to help someone complete something or accomplish a goal. Grants are typically offered to nonprofits, educational institutions, and businesses with a social mission, and may be granted for various purposes.

Grants are often used by nonprofit organizations to solicit financial support from government agencies and private donors to fund their charitable activities. Grants, like all other types of financial aid, typically come with conditions and are given for a specified time. They must be used for the purposes outlined in the grant proposal, and their progress must be tracked and documented.

To know more about nonprofit organizations:

https://brainly.com/question/5584094?referrer=searchResults

#SPJ11

how do you think a drug called a bronchodilator works to combat the symptoms of asthma

Answers

Answer:

It relaxes the muscles in the lungs and widens your airways

Explanation:

Bronchodilators are a type of medication that make breathing easier. They do this by relaxing the muscles in the lungs and widening the airways (bronchi). They're often used to treat long-term conditions where the airways may become narrow and inflamed

J.P. is a 50-year-old man who presents to the gastroenterologist with cramping and diarrhea. Subjective Data Pain level is a 6/10 location = right and left lower abdomen Works as a union construction worker, has missed 1 day of work States he has been going to the bathroom about 8 to 10 times a day for past 2 days Appetite is decreased PMH: Crohn’s disease, depression, anxiety Objective Data Vital signs: T 37 P 80 R 14 BP 120/68 Bowel sounds hyperactive in all four quadrants Medications: Infliximab (Remicade) infusions every 6 weeks, fluoxetine (Prozac) 25 mg per day Weight = 145, last visit weight = 152 Questions
1. What other assessments should be included for this patient?
2. What questions should the nurse ask with regard to the abdominal pain?
3. From the readings, subjective data, and objective data, what is the most probable cause of the abdominal pain?
4. Develop a problems list from the subjective and objective findings.
5. What should be included in the plan of care?
6. What interventions should be included in the plan of care for this patient?
7. How to do you position and prepare for an abdominal assessment?
8. Inspection of the abdomen include:
9. Why is the abdomen auscultated after inspection?
10. How do you auscultate the abdomen? What are the characteristics of bowel sounds?
11. What sound heard predominately when percussing over the abdomen?
12. What organ can be palpated? 7. Palpation techniques include?
13. Explain visceral and somatic pain.
14. What is rebound tenderness?
15 How do you assess for costovertebral angle tenderness?

Answers

A detailed examination of his medical background, including any prior operations, hospital stays, anxiety therapies. a physical examination to look for any indications of swelling, pain, or lumps in the abdomen.

What inquiries have to be made by the nurse about the stomach pain?

Ask about bowel and urine habits if you are experiencing stomach pain. Knowing when a patient's body is functioning differently from what is "normal" might help identify potential diseases.

How would a nurse evaluate a patient with stomach pain?

A major abdominal issue is indicated by a tight stomach, guarding, and discomfort when you touch the patient's heel with your hand, according to Colucciello. If the patient is in agony, as well.

To know more about anxiety therapies visit:-

https://brainly.com/question/26878525

#SPJ1

T/F. Endocrine disease results in either an abnormal increase in hormone production, or hypersecretion, or an abnormal decrease, or hyposecretion.

Answers

Endocrine disease results in either an abnormal increase in hormone production, or hypersecretion, or an abnormal decrease, or hyposecretion. The given statement is true.

DiseaseAn endocrine problem arises from the endocrine system's dysfunction, which comprises the hormone-secreting glands, hormone receptors, and the organs directly affected by hormones. Dysfunction may happen at any one of these locations and have a profound impact on the body.There are three basic factors that might cause endocrine conditions: A defect in a hormone's production process or in its capacity to perform its intended function are examples of the first two.Diabetes is the most prevalent endocrine disorder in the US. There are lots of additional ones. The typical treatment for them involves regulating the amount of hormone your body produces.

For more information on endocrine disease kindly visit to

https://brainly.com/question/14459961

#SPJ1

which information would the nurse include in an educational session regarding a sigmoidoscopy?

Answers

During an educational session about sigmoidoscopy, a nurse would include information about what sigmoidoscopy is, how it works, what the procedure involves, and any preparation that might be necessary.

What is Educational session?

The educational session would also include information about the risks and benefits of sigmoidoscopy, as well as any potential complications or side effects associated with the procedure. Finally, the nurse would provide instructions for how to care for oneself after the procedure and what to expect during the recovery period.

A sigmoidoscopy is a medical procedure that is used to examine the lower part of the large intestine (colon). During a sigmoidoscopy, a flexible tube with a light and camera attached to the end (a sigmoidoscope) is inserted through the rectum and into the colon. This allows the doctor to see the lining of the colon and identify any abnormalities or potential problems.

Sigmoidoscopy is a safe procedure with few risks. However, there is a small risk of complications, such as bleeding, infection, or perforation of the colon. On the other hand, there are many benefits to sigmoidoscopy, including the ability to detect and diagnose conditions such as polyps, cancer, and inflammatory bowel disease.

Learn more about Educational session here:

https://brainly.com/question/29567668

#SPJ11

On hand is 17.5mg/6ml of heparin. The physician orders 35mg how many mL with the MA administer

Answers

The medical assistant should administer 12 ml of the heparin solution to deliver 35 mg of heparin.

To administer 35mg of heparin using the concentration of 17.5mg/6ml, we can use a simple proportion:

17.5mg/6ml = 35mg/x ml

Cross-multiplying, we get:

17.5mg * x ml = 35mg * 6ml

Simplifying, we get:

x ml = (35mg * 6ml) / 17.5mg

x ml = 12ml (rounded to the nearest tenth)

Therefore, the medical assistant should administer 12ml of the heparin solution to deliver 35mg of heparin.

What is heparin solution?

Heparin solution is a medication used to prevent and treat blood clots. It works by blocking the formation of blood clots and by preventing existing blood clots from growing larger. Heparin solution is usually administered by injection into a vein or under the skin. It is often used in hospital settings, such as during surgery or in patients who are immobilized for extended periods of time, to reduce the risk of blood clots forming. Heparin solution comes in various concentrations and is available by prescription only.

To know more about heparin solution, visit:

https://brainly.com/question/30524155

#SPJ1

1. Patrick is a 15-year-old male whose mother brought him to the clinic because he "just hasn't

been feeling well. " Vital signs: T-100. 2°F (tympanic) P-82 bpm R-16 BP-138/90 Analysis:

Answers

The analysis of Patrick's condition suggests that he is suffering from moderate fever and his pulse rate and blood pressure are also higher than normal.

The temperature of the body remains such that it resists any infections from microbes and the temperature increases in case the microbes enter the body. This condition of rising temperature is called as fever. In cases of fever, the person suffers from shivering, high blood pressure etc. These changes are indicative of differences happening inside the body.

To control the fever, rising pulse rate and blood pressure, essential antibiotics, paracetamol and probiotics are given to the person to heal them. These symptoms are usual in common cold, flu or some other disease as well.

Learn more about Fever here:

brainly.com/question/9189703

#SPJ4

What is provides a reference for coding outpatient services such as vaccinations, ear canal irrigation, and osteopathic manipulation services?

Answers

The Current Procedural Terminology (CPT) code system provides a reference for coding outpatient services such as vaccinations, ear canal irrigation, and osteopathic manipulation services.

What is the Current Procedural Terminology (CPT) code system?

The Current Procedural Terminology (CPT) code system is a standardized medical code set used to describe and report medical, surgical, and diagnostic procedures and services provided by healthcare professionals in outpatient settings in the United States.

The CPT codes are maintained by the American Medical Association (AMA) and are regularly updated to reflect changes in medical practices and technology. CPT codes are used for billing and reimbursement purposes by insurance companies, Medicare, and Medicaid, and they provide a common language for communication among healthcare providers, patients, and payers.

Learn more on CPT code system here: https://brainly.com/question/31087317

#SPJ1

Which of the following statements related to critical or semi-critical, or non-critical patient-care items is correct?A. Heat tolerant critical and semi-critical items must be sterilized by steam, unsaturated chemical vapor, or dry heat.B. Heat-sensitive critical items can be sterilized by ethylene oxide or by immersing them in liquid chemical germicides registered by the FDA as chemical sterilants.C. Non-critical items, when visibly soiled, must be disinfected with an EPA-registered hospital level intermediate-level disinfectant.D. All of the above are correct.

Answers

The correct statement among the following statements related to critical, or semi-critical, or non-critical patient-care items is: (A) heat tolerant critical and semi-critical items must be sterilized by steam, unsaturated chemical vapor, or dry heat.

Sterilization is a method used to destroy and remove all microbial life including highly resistant bacterial endospores. It is used in hospitals and other medical facilities to avoid the spread of dangerous diseases and infections. Among the given options, the correct statement related to critical or semi-critical, or non-critical patient-care items is that (A) heat-tolerant critical and semi-critical items must be sterilized by steam, unsaturated chemical vapor, or dry heat.

Option B is incorrect because heat-sensitive critical items cannot be sterilized by ethylene oxide or by immersing them in liquid chemical germicides registered by the FDA as chemical sterilants. They are sterilized by low-temperature hydrogen peroxide gas plasma, vaporized hydrogen peroxide, or ozone.

Option C is also incorrect because non-critical items, when visibly soiled, must be disinfected with an EPA-registered hospital-level low-level disinfectant but not an intermediate-level disinfectant. Disinfection is the process of killing harmful microorganisms using chemicals or physical agents.

Learn more about the patient: https://brainly.com/question/30484081

#SPJ11

Blood pressure is greatest in theA. inferior vena cava
B. pulmonary veins
C. superior vena cava
D. aortic arch

Answers

Blood pressure is highest in the aortic arch because it is the closest point to the heart, where the blood is first ejected from the left ventricle into the aorta.  The correct option is D

What is blood pressure ?

Blood pressure refers to the force that blood exerts against the walls of the blood vessels as it flows through them. The highest pressure in the circulatory system is found in the arteries, particularly in the large arteries near the heart.

The aortic arch is a curved blood vessel that branches off the heart and is the first major artery to receive blood from the left ventricle of the heart. As a result the aortic arch experiences the greatest blood pressure in the circulatory system.

Therefore, the blood pressure is highest in the aortic arch, and it gradually decreases as it travels further away from the heart.

Learn more about blood pressure here : brainly.com/question/938867

#SPJ1

the emergency departmen tnurse is performing an assessment who has sustained circumferential burns of both legs

Answers

The emergency department nurse is assessing a patient who has sustained circumferential burns in both legs. The assessment indicates that there is a complete or near-complete burn encircling the affected area.

A complete assessment of circumferential burns is necessary for determining the treatment. Assessment by the emergency department nurse should include the depth and degree of the burns, as well as the size, location, and type of burn. Emergency department nurses who handle burn patients should be familiar with the ABCDE assessment method for burns.

This method includes evaluating the patient's Airway and Breathing, Circulation, Disability, and Exposure (ABCDE). A nurse will initially evaluate the patient's vital signs, which include heart rate, blood pressure, and oxygen saturation levels. The patient's symptoms and medical history are also taken into account. Intravenous fluids may be given to treat dehydration and maintain fluid balance.

Finally, the nurse will document the extent and severity of the burns, the medical history, the patient's symptoms, and the course of treatment.

Learn more about burns: https://brainly.com/question/14033152

#SPJ11

what ppe should you wear when caring for someone on droplet precautions

Answers

Answer:

gloves, a gown, and a surgical mask which prevents infectious droplets from contacting the nose and mouth. Some types of droplet precautions also require a face shield or eyewear to protect the eyes.

Explanation:

the muscle name literally meaning below the tongue is blank.target 1 of 5 the muscle connecting the hyoid bone to the styloid process of the temporal bone is the blank.target 2 of 5 the shorter of the muscles over the fibula is the blank.target 3 of 5 the muscle extending from the arm to the lateral forearm is the blank.target 4 of 5 the hamstring that becomes tendinous midway along its length is the

Answers

The correct options are (1) Hyoglossus: the muscle name meaning below the tongue, (2) Stylo-hyoid, (3) Peroneus Brevis, (4) Brachioradialis, and (5) Semitendinosus.

The muscle name meaning 'below the tongue' is Hyoglossus. It is a thin quadrilateral muscle situated on the side of the neck. It arises from the hyoid bone and consists of three portions; a lateral, an intermediate, and a medial.

The muscle connecting the hyoid bone to the styloid process of the temporal bone is Stylohyoid. It is a slender muscle that arises from the styloid process of the temporal bone of the skull and descends obliquely to reach the hyoid bone.

The shorter of the muscles over the fibula is Peroneus Brevis. It is a muscle located in the lower leg. It runs alongside the fibula, connecting to the ankle and foot bones.

The muscle extending from the arm to the lateral forearm is the Brachioradialis. It is a muscle of the forearm that flexes the forearm at the elbow. It originates in the arm and attaches to the lateral aspect of the forearm.

The hamstring that becomes tendinous midway along its length is the Semitendinosus. It is a long muscle in the thigh that is one of the three hamstring muscles. It is so named because it has a very long tendon of insertion.

Learn more about muscle: https://brainly.com/question/25066770

#SPJ11

which adverse effect should the nurse closely monitor in a client who takes immunosuppressive drugs?

Answers

Answer:

The nurse should closely monitor the client for signs and symptoms of infection, such as fever, chills, sore throat, and other signs of infection. The nurse should also monitor for signs of bleeding or bruising, as immunosuppressive drugs can increase the risk of bleeding. The nurse should also monitor for signs of organ rejection, such as skin rash, abdominal pain, and fatigue.

Explanation:

You are given a novel drug that inhibits the activity of a GPCR kinase (GRK) specific for GPCR's that bind adrenaline (epinephrine). You know that adrenaline increases heart rate and activates adenylyl cyclase leading to breakdown of glycogen in muscle. You inject two rats. Rat #1 is given an injection of the novel drug followed by adrenaline, while rat #2 is injected with adrenaline only. Which of the following would you find when you analyze the rats 5 min after injection of adrenaline? Rat # 1 has increased glycogen and increased cAMP in muscle, and increased heart rate relative to Rat #2 O Rat # 1 has decreased glycogen and increased cAMP in muscle, and increased heart rate relative to Rat #2 O Rat # 1 has decreased glycogen and increased cAMP in muscle, and decreased heart rate relative to Rat #2 Rat # 1 has decreased glycogen and decreased cAMP in muscle, and decreased heart rate relative to Rat #2 O No difference in levels of glycogen and cAMP in muscle, and heart rate in rat #1 compared to rat #2

Answers

Rat # 1 has decreased glycogen and increased cAMP in muscle, and increased heart rate relative to Rat #2.

What is adrenaline?

Adrenaline is a hormone that increases heart rate and activates adenylyl cyclase resulting in the breakdown of glycogen in muscle. G protein-coupled receptor kinases (GRKs) phosphorylate and inactivate activated G protein-coupled receptors (GPCRs).

GPCR kinase inhibitors have been identified and designed to selectively inhibit GRKs that regulate specific GPCRs. It has been discovered that GRK2 inhibition could be used to treat heart failure because it improved cardiac contractile function and reduced mortality. The drug used in the experiment inhibits the GPCR kinase (GRK) specific for GPCR's that bind adrenaline (epinephrine).

The inhibition of GRK prevents the deactivation of the receptor and thus increases the signal sent downstream. Rat #1 is given an injection of the novel drug followed by adrenaline, while rat #2 is injected with adrenaline only. In rat #1, the novel drug inhibits the activity of the GRK. As a result, adrenaline signaling will be amplified in the animal, which results in a decrease in glycogen levels. The rate of glycogenolysis is increased in rat #1 due to the inhibition of the GRK, this increases cAMP.

The increase in cAMP levels in rat #1 is due to the inhibition of the GRK. The increase in cAMP levels will increase the heart rate in rat #1 relative to rat #2.In rat #2, cAMP and glycogen levels increase after adrenaline is administered, and the heart rate increases as well. However, the increase in the rate of glycogenolysis and cAMP production will be less in rat #2 than in rat #1, resulting in a lower heart rate relative to rat #1.

Learn more about Adrenaline here:

https://brainly.com/question/30456406

#SPJ11

which action should the nurse associate with outcome identification and planning in the nursing process?

Answers

The nurse should associate the following action with outcome identification and planning in the nursing process: establishing client-centered goals and expected outcomes.

The nursing process is a methodical and cyclic approach to providing nursing care. The nursing process is built on the foundation of a patient-centered philosophy that emphasizes the importance of the individual and their medical needs. It involves a series of interrelated stages that are followed in order and in a systematic manner.

The five stages of the nursing process include assessment, diagnosis, outcome identification and planning, implementation, and evaluation.

Read more about the topic of nursing:

https://brainly.com/question/14465443

#SPJ11

if speakers send nonverbal signals that contradict their verbal message, listeners will typically accept the nonverbal behavior as the true message.

Answers

It is true that nonverbal signals can sometimes contradict the verbal message being conveyed by a speaker.

What is nonverbal message?

In some cases, listeners may be more likely to rely on nonverbal behavior if they perceive the speaker to be more credible or trustworthy based on their nonverbal cues. However, in other cases, listeners may be more likely to trust the verbal message if they perceive the speaker to be more knowledgeable or authoritative.

Overall, it is important to consider both verbal and nonverbal communication when trying to understand someone's message, as they both play an important role in conveying meaning.

Learn more about non verbal message:https://brainly.com/question/30489435

#SPJ1

Other Questions
in nonrealistic plays, directors may use voice to create dissonance, but the director is still most commonly concerned with voice as a medium for language or song. true or false Bradford's bibliography of Robert E. Lee reveals him as a general who felt that war was _____________________.Choices:- cruel- glamorous- unnecessary Write the first four terms of the sequence defined by a n = 5{5, if n=1a n -1 -5, if n>1 help plssss explainnn!! this is a very important question. Are you cool? if you witnessed a crime and were asked to pick out the person who committed the crime from a lineup of six people, the other five people are called Define the term public participation and mention THREE ways one can participate publicly. which of the following need to be configured for a computer to operate on a modern network? check all that apply Help. Jaray is a chemist and responsible for new product development in the agriculture division of Syngenta. He is developing a formula for an herbicide that can be used to control weeds but is also natural and has no harmful chemicals. Jaray is seeking to collaborate with his chemical suppliers, including Dow and Stepan, to get samples of their naturally formulated surfactants to use in his herbicide. Ultimately, Jaray will decide which formulation is best and identify the one or two brands that meet Syngenta's specifications. Jaray is performing the role of _______ as a member of the buying center. Introduction Read the overview below and complete the activities that follow Contracts are classified in a number of different ways. Different classifications are useful for different purposes. This interactive reviews the primary ways by which we class ify contracts. CONCEPT REVIEW: Review the section "Classification of Contracts" in your text to understand the differences among bilateral, unilateral, express, implied, formal, and informal contracts. The dlagram below Illustrates three different ways of categorizing contracts: (1) bilateral vs. unilateral; (2) express vs. Implied, and (3) formal vs. Informal. First, roll over each title and read the scenarios glven. Then drag and drop the title into the appropriate circle on the diagram. Medical Emergency Reward for Wallet $4,000- Chimney Handwritten Letter of Credit Written Terms Agreement Informal Express Unilateral Implied Bilateral Formal Contracts Contracts Contracts Contracts Contracts Contracts Which of the following commands displays information about the account issuing the command? (Choose all that apply.)A. whoamiB. who am iC. cat $HOME/.bashrcD. cat $HOME/.profileE. id theorists who attribute some of the causes of deviant behavior to biology are employing ___ theories. A triangle has two sides of length 3 and 16. What is the largest possible whole-number length for the third side b) There are x number of books that worth Rs. 35 each and 5 books worth Rs. 30 each in a parcel prepared as a gift. The value of two such parcels is Rs. 580. i. Build up an equation using the above information. ii. Find the value of x by solving the equation. Task 5: Repeat Task 4, but this time use the EXISTS operator in your query how does the imagery in the video - specifically the facial expressions, body language of the soldiers, and the scenes the filmmakers chose to include, reflect the positive attitude that general eisenhower was trying to put forth in his order of the day? To which side of the kidney does the ureter connect?A. ProximalB. SuperiorC. MedialD. Axial Relationship between Hinduism and Buddhism ? for autonomous equations, find the equilibria, sketch a phase portrait, state the stability of the equilibria.