Page 190 - 86 human physiology part-2

Appendix A: Answers to Review Questions

B) carbon dioxide
C) white blood cells
D) fibrinogen
E) globulins

5. If you hold your breath for one minute

A) The kidneys will increase sodium ion reabsorption
• B) Hydrogen-ion concentration in the blood will increase
C) Your heart rate will greatly slow
D) Hemoglobin will bind to oxygen more strongly

6. Most of the carbon dioxide produced by tissues is transported to the lungs as:

A) Small gas bubbles in the plasma
B) Gas bound to hemoglobin in the red blood cells
• C) Bicarbonate ions in the plasma
D) Gas bound to white blood cells and albumin
E) Gas transported through the lymphatic system

7. To prevent blood loss after a tissue injury, blood vessels first

A) Form a platelet plug
B) Form a clot
C) Initiate the coagulation cascade
• D) Constrict and form barriers

8. You take a blood sample from a male cyclist at the end of a long race. The hematocrit is 60%.
The most likely conclusion is:

A) This is within normal range for most adult males
B) This cyclist is anemic
C) This low of a hematocrit could indicate liver damage or leukemia
• D) The cyclist is dehydrated
E) The cyclist has been taking pharmaceutical erythropoietin

9. In a normal blood sample, which of the following cells will be the most abundant?

• A) Neutrophils
B) Basophils
C) Eosinophils
D) Monocytes
E) Lymphocytes

10. A bag of donated blood does not clot because

A) There is not enough oxygen
B) It cannot dry out
C) It is kept refrigerated

Wikibooks | 405