Chapter 21

1. T F A portal is a type of artery or vein.

2. T F The vasa vasorum is a blood vessel to a blood vessel.

3. T F The tunica interna is always simple squamous tissue.

4. T F The vertebral artery is an example of an elastic artery.

5. T F The capillary contains only the most outside layers of the tunics.

6. T F The superior sagittal sinus has a three dimensional support but the coronary sinus does not.

7. T F The average blood pressure in the aorta is typically 100 mm Hg.

8. T F The most important measurement in blood pressures is diastole for whether someone is healthy or not.

9. T F Hemorrhoids are one example of venous congestion.

10. T F A positive value for capillary exchange indicates fluid is lost from the tissues.

11. The bood volume within the lungs is _____________ percent of the total blood volume.
a. 5
b. 8
c. 12
d. 15
e. none of the above

12. The blood pressure deficit in the big toe while standing is ____ mm Hg.
a. 15
b. 25
c. 45
d. 85
e. none of the above

13. The typical hydrostatic pressure within the tissue spaces is _______ mm Hg.
a. -6
b. - 5
c. 0
d. 5
e. 6

14. Orthostatic hypotension is indicated by a drop of blood pressure greater than 15 mm Hg when standing for _____________ that lasts for ________ minutes.
a. 0
b. 1
c. 2
d. 3
e. none of the above

15. Chemoreceptors are located in the _______________.
a. aortic bodies
b. carotid bodies
c. aortic sinus
d. all of the above
e. none of the above

16. The tissue that angiotension I must pass through to be converted to angiotension II is the _________________.
a. lung
b. brain
c. kidneys
d. liver
e. spleen

17. Angiotension II stimulates the ___________________ in the kidney.
a. zona glomerulosa
b. zona fasciculata
c. zona reticularis
d. medull
e. none of the above

18. Which of the following are hormone(s) that assist in blood pressure control.
a. ADH
b. Epi
c. Nor
d. ANP
e. all of the above

19. The type of shock related to spinal cord injury is:
a. hypovolemic
b. vasogenic
c. septic
d. all of the above
e. none of the above

20. Irreversible shock for skeletal muscle occurs after _______ minutes.
a. 4 to 6
b. 45
c. 60
d. 120
e. none of the above