Quiz Ch25

Question 1

1. Which of the following is TRUE regarding the constituents of blood?
   A. Plasma is composed of 90% dissolved substances and 10% water.
   B. Blood volume in adults is about 6 L.
   C. Plasma accounts for 10% of blood volume.
   D. Plasma and serum are identical.

Answer 1

B. Blood volume in adults is about 6 L.

Question 2

2. Which component of the blood system is responsible for the critical colloid oncotic pressure?
A.   Immune globulins  
B.   Albumin  
C.   Gamma globulin  
D.   Clotting factors

Answer 2

B. Albumin

Question 3

3. Which of the following is TRUE regarding erythrocytes?
   A. They comprise 80% of blood volume.
   B. Erythrocytes are responsible for tissue oxygenation.
   C. They contain ribosomes and mitochondria.
   D. They can synthesize proteins.

Answer 3

B. Erythrocytes are responsible for tissue oxygenation.

Question 4

4. Which of the following is NOT a granulocyte?
A.   Neutrophil  
B.   Basophil  
C.   Eosinophil  
D.   Monocyte

Answer 4

D. Monocyte

Question 5

5. A person develops a severe urinary tract infection. Which of the following are the predominant cells of early inflammation?
A.   Monocyte  
B.   Neutrophil  
C.   Basophil  
D.   Eosinophil

Answer 5

B. Neutrophil

Question 6

6. A student looking at a slide notices large cells with a horseshoe-shaped nucleus and no granules present. Which of the following cells are these?
A.   Monocytes  
B.   Macrophages  
C.   Lymphocytes  
D.   Natural killer cells

Answer 6

A. Monocytes

Question 7

7. Which of the following is TRUE regarding platelets?
   A. They are disk-shaped cytoplasmic fragments.
   B. They are formed by clumps of megakaryocytes.
   C. They have a large nucleus.
   D. They divide rapidly.

Answer 7

A. They are disk-shaped cytoplasmic fragments.

Question 8

8. Which of the lymphoid organs cluster around lymphatic veins and collect interstitial fluid from tissues?
A.   Spleen  
B.   Bone marrow  
C.   Lymph nodes  
D.   Thymus

Answer 8

C. Lymph nodes

Question 9

9. Which of the following is NOT one of the four processes of platelet activation?
A.   Adhesion  
B.   Aggregation  
C.   Secretion  
D.   Inhibition

Answer 9

D. Inhibition

Question 10

10. Which of the following is responsible for lysis or the breakdown of blood clots?
A.   Nitric oxide  
B.   Tissue factor  
C.   Antithrombin III  
D. Fibrinolytic system

Answer 10

D. Fibrinolytic system