Deck 29: Blood

Question 1

The major function of the red blood cells (RBC)is to .

A)phagocytize bacteria
B)release histamine and other anti- inflammatory substances
C)seal small tears in blood vessels
D)transport O2 and CO2

Answer 1

D

Question 2

The hematocrit measures _.

A)the number of WBC/mm3 of blood
B)the number of RBC/mm3 of blood
C)the volume of RBC in a blood sample
D)the volume of WBC in a blood sample

Answer 2

C

Question 3

Which of the following white blood cells are granulocytes?

A)lymphocytes and monocytes
B)neutrophils and lymphocytes
C)eosinophils and monocytes
D)basophils and neutrophils

Answer 3

D

Question 4

A person with type B- blood receives a transfusion of type O+ blood. It is his very first blood transfusion. Will there be a transfusion reaction? Why or why not?

A)no, the recipient has no antibodies to the Rh factor because this is his first transfusion
B)yes: the recipient must receive blood of the same type as his or her own
C)yes, the anti- A antibodies of the recipient will clump and hemolyze the donated blood
D)yes; the recipient has anti- Rh antibodies which will clump and hemolyze the donated blood

Question 5

What is true about blood typing?

A)Type AB blood contains antigens A and B.
B)Type B blood contains A antigen.
C)Type O blood contains antigens A and B.
D)Type AB blood contains neither A nor B antigen.

Question 6

This component of blood plasma includes molecules that are important for body defense, osmotic balance, and lipid transport.

A)plasma proteins
B)salts
C)water
D)glucose and hormones

Question 7

These white blood cells kill parasitic worms and play a complex role in allergic responses and asthma.

A)eosinophils
B)monocytes
C)lymphocytes
D)neutrophils
E)basophils

Question 8

Normally, the amount of plasma in whole blood is _ _ than the amount of formed elements; plasma makes up approximately percent of whole blood.

A)less; 30
B)less; 45
C)greater; 65
D)greater; 55

Question 9

What is true about the red blood cell count?

A)normally men have a higher count than women
B)normally women have a higher count than men
C)men and women generally have very similar blood counts

Question 10

A normal red blood cell count is .

A)6- 7 million/mm3 of blood
B)3- 4 million/mm3 of blood
C)4- 6 million/mm³ of blood
D)2- 3 million/mm³ of blood

Question 11

A person who has symptoms of paleness and chronic fatigue is suspected of having anemia. To investigate this suspicion further, it would be most helpful to measure .

A)differential WBC count
B)hematocrit
C)total WBC count

Question 12

This formed element is essential for blood clotting.

A)eosinophils
B)platelets
C)salts
D)red blood cells

Question 13

Leukopenia .

A)may result from bone marrow cancer, or from living at high altitudes
B)may indicate a disease such as cirrhosis of the liver or tuberculosis
C)is characterized by an abnormally high WBC count
D)is characterized by uncontrolled proliferation of abnormal WBCs

Question 14

The total white blood cell count ranges from _ to /mm3 of blood.

A)7200, 16,000
B)4800, 10,800
C)500, 2000
D)2400, 5000

Question 15

These are the most abundant leukocytes, constituting 40- 70% of all white blood cells.

A)lymphocytes
B)basophils
C)eosinophils
D)monocytes
E)neutrophils

Question 16

A person with type AB blood receives a transfusion of type O blood. Will there be a transfusion reaction? Why or why not?

A)no: the recipient has no antibodies to antigens A and B, and therefore can receive blood from a type O donor
B)yes: the recipient must receive blood of the same type as his or her own
C)no: the anti- A and anti- B antibodies of the recipient do not affect the donated blood, because type O blood has no A or B antigens
D)yes: the anti- A and anti- B antibodies of the recipient clump and hemolyze the donated blood

Question 17

Platelets .

A)transport O2 and CO2
B)are the smallest formed elements of blood
C)are essential for the immune response
D)are cellular components of blood

Question 18

The most numerous blood cells are .

A)monocytes
B)red blood cells
C)lymphocytes
D)neutrophils

Question 19

This cell is the largest white blood cell. It lacks cytoplasmic granules and has a kidney- shaped nucleus.

A)basophil
B)monocyte
C)eosinophil
D)neutrophil

Question 20

A blood test reveals a large increase in the number of RBCs. One possible explanation for this may be .

A)anemia
B)leukocytosis
C)leukemia
D)polycythemia

Question 21

You can recognize these white blood cells because they have a bilobed nucleus and red granules in the cytoplasm.

A)basophil
B)monocyte
C)eosiniphil
D)neutrophil

Question 22

A patient reports to the doctor that she bruises very easily, and when she cuts herself, she has a hard time stopping the bleeding. What test might a health care provider order to help diagnose this problem?

A)coagulation time
B)plasma cholesterol concentration
C)blood typing
D)hematocrit

Question 23

Which test measures hemoglobin concentration in the blood?

A)blood typing
B)bleeding time
C)hematocrit
D)hemoglobinometer determination

Question 24

From the choices listed here, the most accurate way to assess the oxygen- carrying capacity of the blood is probably to measure the _ .

A)hematocrit
B)blood type
C)coagulation time
D)hemoglobin content