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- A: Game time.
- B: Party time.
- C: Time to get a watch.
- D: Who cares?
- Answers for these questions can be found here
1. 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 stops ventricular fibrillation
- D) it loosens plaque on arterial walls
- E) it prevents platelet clumping
2. A hematocrit measures percentage of:
- A) White blood cells
- B) Plasma
- C) Platelets
- D) Red blood cells
3. Fred's blood type is O- and Ginger's is B+. Fred and Ginger have a son who is AB+. What do you conclude?
- A) If they have a second child Ginger needs to have RhoGam shot
- B) There is no risk to a second child, unless it has a negative blood type
- C) If the child needs a blood transfusion Fred could provide it safely, but not Ginger
- D) Fred is not the boy’s father
4. Which blood component plays the largest role in maintaining the osmotic pressure of blood?
- A) albumin
- 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
- D) There is no free calcium
- E) All of the above
11. What is the primary function of blood?'
- A) Supply nutrients to tissues
- B) Remove waste products
- C) To keep your body at one consistent temperature
- D) A and B
- E) B and C
12. What is the main component of the Red blood cell?
- A) Albumin
- B) Globulins
- C) Hemoglobin
- D) Nucleus
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