P age |1
BIO 117 HONDROS EXAM 3| BIO 117
HONDROS EXAM 3 2026 QUESTIONS AND
ANSWERS.
1. Insufficient blood supply to an organ? - Correct answer-Ischemia
2. If the ductus arteriousus fails to close after birth, bloods shunts from the
aorta to which blood vessel? - Correct answer-Pulmonary arteries
3. Which direction does blood flow through the foramen ovale in the fetus?
- Correct answer-From the right atrium to the left atrium
4. What do baroreceptors regulate? - Correct answer-BP
5. What is the common feature of epinephrine and norepinephrine? -
Correct answer-Both are vassopressors
, P age |2
6. Which of the following is true of vasoconstriction? - Correct answer-It's
caused by sympathetic nerve stimulation
7. What is true about epinephrine and norepinephrine? - Correct answer-
They bind to beta-1 adrenergic receptors, and are secreted by the
adrenal medulla, catecholamines
8. Which of the following best explains the function of the skeletal muscle
pump? - Correct answer-Enhanced movement of blood from the lower
extremities towards the heart
9. What happens if the capillary hydrostatic pressure exceeds plasma
oncotic pressure? - Correct answer-Fluid is filtered into the insterstitium
10. What is cardiac output? - Correct answer-The amount of blood
pumped by each ventricle in one minute
, P age |3
11. What is albumin? - Correct answer-plasma protein
12. The apex of the heart is located - Correct answer-5th intercostal
space
13. Which layer of the heart allows it to act as a pump? - Correct answer-
Myocardium
14. What is the apex of the heart? - Correct answer-The tip of the heart,
pointing down towards the left 5th intercostal space.
15. Which layer of the heart wall contains the epicardium? - Correct
answer-Pericardium
16. What surrounds the heart? - Correct answer-Pericardium
, P age |4
17. What is related to the mitral valve (tricuspid valve)? - Correct answer-
Bicuspid valve
18. Which of the following contains oxygenated blood? - Correct answer-
Left Atrium, Pulmonary veins, Aorta
19. Which of the following contains deoxygenated blood? - Correct
answer-Superior Vena Cava, Right Atrium, Pulmonary Arteries
20. What supplies oxygenated blood to the heart muscle? - Correct
answer-Coronary Arteries
21. Which layer of the heart contains actin, myosin, and troponin? -
Correct answer-Myocardium
BIO 117 HONDROS EXAM 3| BIO 117
HONDROS EXAM 3 2026 QUESTIONS AND
ANSWERS.
1. Insufficient blood supply to an organ? - Correct answer-Ischemia
2. If the ductus arteriousus fails to close after birth, bloods shunts from the
aorta to which blood vessel? - Correct answer-Pulmonary arteries
3. Which direction does blood flow through the foramen ovale in the fetus?
- Correct answer-From the right atrium to the left atrium
4. What do baroreceptors regulate? - Correct answer-BP
5. What is the common feature of epinephrine and norepinephrine? -
Correct answer-Both are vassopressors
, P age |2
6. Which of the following is true of vasoconstriction? - Correct answer-It's
caused by sympathetic nerve stimulation
7. What is true about epinephrine and norepinephrine? - Correct answer-
They bind to beta-1 adrenergic receptors, and are secreted by the
adrenal medulla, catecholamines
8. Which of the following best explains the function of the skeletal muscle
pump? - Correct answer-Enhanced movement of blood from the lower
extremities towards the heart
9. What happens if the capillary hydrostatic pressure exceeds plasma
oncotic pressure? - Correct answer-Fluid is filtered into the insterstitium
10. What is cardiac output? - Correct answer-The amount of blood
pumped by each ventricle in one minute
, P age |3
11. What is albumin? - Correct answer-plasma protein
12. The apex of the heart is located - Correct answer-5th intercostal
space
13. Which layer of the heart allows it to act as a pump? - Correct answer-
Myocardium
14. What is the apex of the heart? - Correct answer-The tip of the heart,
pointing down towards the left 5th intercostal space.
15. Which layer of the heart wall contains the epicardium? - Correct
answer-Pericardium
16. What surrounds the heart? - Correct answer-Pericardium
, P age |4
17. What is related to the mitral valve (tricuspid valve)? - Correct answer-
Bicuspid valve
18. Which of the following contains oxygenated blood? - Correct answer-
Left Atrium, Pulmonary veins, Aorta
19. Which of the following contains deoxygenated blood? - Correct
answer-Superior Vena Cava, Right Atrium, Pulmonary Arteries
20. What supplies oxygenated blood to the heart muscle? - Correct
answer-Coronary Arteries
21. Which layer of the heart contains actin, myosin, and troponin? -
Correct answer-Myocardium
