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Exam 1 with Answer Key | Anatomy and Physiology I | CBIO 2200, Exams for Physiology latest 2023
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Exam 1 with Answer Key | Anatomy andPhysiology I | CBIO 2200, Exams for Physiology
ANSWER KEY
latest 2023 BIO 181 - Human Anatomy and Physiology II
Unit I Exam - Practice
Cardiovascular System
Key
1. Which of the following is NOT a component of plasma?
a. water d. proteins
b. hemoglobin e. ions
c. nutrients
2. How long do white blood cells stay in circulation?
a. 2 days. d. 1 month.
b. 100 days. e. 1 year.
c. 120 days.
3. Average blood volume in a normal adult: 5 milliliters; Normal blood pH range: 7.35 - 7.45
a. true. b. false.
4. Lymphocytes have multi-lobed nuclei.
a. true. b. false.
5. How many heme groups are in a hemoglobin molecule?
a. 1 c. 10
b. 4 d. 120
6. Individuals with blood type O contain neither anti-A and anti-B antibodies (agglutinins) and are
considered universal donors.
a. true. b. false.
7. Which of the following would be true for a person with type A blood?
a. He could donate to a type O person.
b. He has A antigens.
c. He could receive blood from a type AB person.
d. He has A antibodies.
8. Histimine is used in allergic response; identify the cell responsible for its secretion.
a. erythrocyte d. monocyte
b. eosinophil e. basophil
c. neutrophil
9. Blood flows from the pulmonary arteries into the:
a. lungs. c. right ventricle.
b. right atrium. d. left atrium.
10. At which stage of erythropoiesis is hemoglobin made?
a. stem cell c. leukocyte
b. erythroblast d. erythrocyte
This study source was downloaded by 100000831448967 from CourseHero.com on 07-12-2023 01:48:46 GMT -05:00
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, BIO 181 Exam I – Practice – Answer Key 2
11. Of the following leukocytes, which is agranular?
a. neutrophil c. monocyte
b. eosinophil d. basophil
12. The function of the papillary muscles is to:
a. assist ventricles with the contraction.
b. assist in opening the AV valves.
c. assist in proper closure of the AV valves.
d. assist in proper closure of the SL valves.
13. The aortic SL valve is closed when the:
a. bicuspid valve is closed. d. ventricle relax.
b. atria relax. e. pulmonary SL valve is open.
c. ventricles contract.
14. Which of the following lines the inner wall of the fibrous pericardium?
a. endocardium. c. myocardium.
b. parietal pericardium. d. visceral pericardium.
15. Of the following events involved in hemostasis, which occurs first?
a. coagulation c. vascular spasm
b. platelet plug
16. Which of these vessels would contain the lowest blood pressure?
a. superior vena cava. c. femoral artery.
b. brachiocephalic artery. d. brachial artery.
17. Abnormally slow depolarization of the vetricles would most change the in an ECG.
a. P wave d. P-R interval
b. T wave e. R-T interval
c. QRS complex
18. Considering the left ventricle, why does isovolumetric ventricular contraction occur during ventricular
systole?
a. The ventricle needs to pressurize the blood to close the aortic SL valve.
b. Ventricular pressure is greater than atrial pressure so the ventricle cannot eject blood.
c. The bicuspid valve needs time to shut before the ventricle can eject blood.
d. The ventricle must pressurize the blood to open the aortic SL valve.
e. The ventricle is still filling with blood and therefore cannot eject blood during this time.
19. Blood enters which of these vessels during ventricular diastole?
a. aorta c. all of the above
b. pulmonary trunk d. none of the above
This study source was downloaded by 100000831448967 from CourseHero.com on 07-12-2023 01:48:46 GMT -05:00
https://www.coursehero.com/file/63689046/181-Exam-1-Practicedocx/
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