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Chapter 13: Questions with Answers

Blood, Heart, and Circulation

1. Which processes are at work during capillary exchange?
a. Blood Pressure
b. Diffusion
c. Osmotic Pressure
*d. All of the above

2. Arterial blood contains more:
a. wastes
b. oxygen
c. nutrients
d. a and b only
*e. b and c only

3.If you were to measure the blood vessels in your body, how many miles would they stretch?
a.100,000 miles
b.2,000,000 miles
*c.60,000 miles
d.6,000 miles
e.There is no way to measure blood vessels

4. How thick are your blood capillaries?
a.1 inch thick
b.3 cells thick or bigger
c.1/2 an inch thick
*d.1 cell thick
e.As thick as a pencil

5. Where do we get most of our Vitamin K?
a. liver
*b. bacteria
c. eating green leafy veggies
d. taking vitamin supplements
e. all of the above

6. As I was mountain climbing my body would produce more red blood cells as I reached higher elevations due to which hormone?
a. thrombopoietin
b. cytokines
*c. erythropoietin
d. megakaryocytes

7. Which of the plasma proteins are responsible for the osmotic pressure in the arteries and is produced by the liver?
*a. Albumin
b. Globulins
c. Fibrinogens
d. None of the above

8. What is the approximate life span of an erythrocyte?
a. 3 days
*b. 4 months
c. not known
d. 1 year

9. How many blood cells do you make per second?
a. 25,000
b. 2.5 billion
*c. 2.5 million
d. 2500
e. none of the above

10. Plasma contains:
a. Water
b. Na++
c. Mg++
d. K+
*e. All of the above

11. The mineral need for chemical clotting is:
a. sodium
*b. calcium
c. iron
d. potassium

12. The function of erythropoietin is to:
a. decrease RBC production
*b. Increase RBC production
c. Decrease all blood cell production
d. increase all blood cell production

13. Taking aspirin every day can reduce the risk of heart disease because:
A. it is a powerful vasodilator
B. it blocks pain receptors in heart tissue
C. it loosens plaque on arterial walls
*D. it prevents platelet clumping

14. A hematocrit measures percentage of:
A. White blood cells
B. Plasma
C. Platelets
*D. Red blood cells

15. Which type of blood is the universal donor?
a. Type A
b. Type B
c. Type C
d. Type AB
*e. Type O

16. An individual with type AB blood
a. is considered a universal blood donor.
*b. is considered a universal blood recipient.
c. produces antibodies to the B antigen.
d. produces antibodies to the A antigen.
e. is Rh-positive.

17. All of the following are blood cells except:
*a. megakaryocyte
b. erythrocytes
c. leukocytes
d. thrombocytes

18. Which of the following about plasma is not true?
a. 91% water
b. carries body heat
c. transports hormones
*d. insoluble

camanda	Latest page update: made by camanda , Nov 21 2007, 1:15 AM EST (about this update About This Update Edited by camanda 4 words added view changes - complete history)
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