Bio 139 Unit 1 Practice Exam Comprehensive Questions (Frequently Tested) with Verified Answers Graded A+

BIO 139 FINAL EXAM STUDY
GUIDE COMPREHENSIVE
QUESTIONS (FREQUENTLY
TESTED) WITH VERIFIED
ANSWERS GRADED A+
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1. When referring to the individual steps in clotting, what is the first

step follow- ing injury to the lining of a blood vessel?

A. Platelet plug formation

B. Firbrin deposition

C. Vascular Spasm

D. Blood turns from liquid to gel Answer: C.

2. A molecule of hemoglobin is capable of binding how many

oxygen mole- cules?

A. 4

B. 3

C. 2

D. 1 Answer: A.

3. The heme group in hemoglobin contains which of the following

elements that is critical for function?

A. Calcium

B. Copper




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C. Iron

D. Steel Answer: C.

4. One of the

consequences of blood doping is that it is possible for the blood

to turn thick and sludgy thus increasing its . What is this

physical property of the blood describes its ability to flow?

A. Viscosity

B. thickness

C. Density

D. Weight Answer: A.

5. A patient that has antibodies to both type A and type B will have

which blood type?

A. A

B. B

C. AB

D. O Answer: D.






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6. This innermost layer of the heart is comprised of single layer

vascular en- dothelial layers that is continuous with the lining of

the blood vessels.

A. Epicardium

B. Endocardium

C. Pericardium

D. Myocardium

E. None of the above Answer: B.

7. Which blood vessel returns blood to the left atrium of the heart?

A. Superior vena cava

B. Coronary Sinus

C. Aorta

D. Right and left pulmonary veins

E. Right and left pulmonary arteries Answer: D.

8. This valve regulated blood flow from the right atrium to the right

ventricle.