It has been hotly debated in public health and development policy whether or not user fees for health services should be eliminated.
ImpactSupporters contend that even small fees can have a negative impact on how often people utilize healthcare services, exclude those who are most in need of these services because they are disadvantaged, and only generate a little amount of money needed to keep the healthcare system financially viable. Opponents counter that by weeding out people who value services less than what is required to pay for them, and by encouraging adherence to health treatments due to sunk costs and/or associations between the fees paid and higher quality, collecting fees helps reduce unnecessary use of services. Hence, the anticipated impacts of abolishing health fees on healthcare access and health condition are unclear.For more information on healthcare policy kindly visit to
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Imagine you are a tiny erythrocyte on its journey through the heart. In what order would pass through the following structures?
- left atria, right atria, left ventricle, right ventricle, pulmonary trunk, pulmonary artery vena cava, tricuspid valve, mitral valve, pulmonary veins, aortic valve, aorta, pulmonary valve, lungs.
The order that the erythrocyte will pass through will encompass the structures as shown below.
What is the erythrocyte?As an erythrocyte traveling through the heart, you would pass through the following structures in the following order:
Vena cava: The deoxygenated blood from the body enters the right atrium through the superior and inferior vena cava.
Right atrium: The right atrium receives the deoxygenated blood from the vena cava.
Tricuspid valve: The tricuspid valve separates the right atrium from the right ventricle and prevents backflow of blood into the atrium.
Right ventricle: The right ventricle pumps the deoxygenated blood to the lungs.
Pulmonary valve: The pulmonary valve separates the right ventricle from the pulmonary trunk and prevents backflow of blood into the ventricle.
Pulmonary trunk and arteries: The deoxygenated blood travels through the pulmonary trunk and branches into the pulmonary arteries to reach the lungs.
Lungs: In the lungs, the erythrocytes receive oxygen and get rid of carbon dioxide.
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