Question 1

Which of the following is NOT a primary function of blood?

Accepted Answer

Regulation of endocrine gland activity.

Question 2

Blood is classified as which type of tissue?

Accepted Answer

Connective tissue

Question 3

Which component of blood makes up approximately 55% of its volume?

Accepted Answer

Plasma

Question 4

What is the primary function of hemoglobin in erythrocytes?

Accepted Answer

To transport oxygen and carbon dioxide

Question 5

If each erythrocyte contains about 250 million hemoglobin molecules, and each hemoglobin can bind 4 oxygen molecules, how many oxygen molecules can a single erythrocyte carry?

Accepted Answer

$$1 	imes 10^9$

Question 6

Which of the following is most likely to occur if hemoglobin started binding to oxygen irreversibly?

Accepted Answer

Your tissues would receive less oxygen.

Question 7

A person with anemia is most likely to have which of the following?

Accepted Answer

Deficiency in hemoglobin

Question 8

Which statement about leukocytes is TRUE?

Accepted Answer

Leukocytes defend the body against infection.

Question 9

Which granulocyte is the first to respond to an infection and possesses hydrolytic enzymes in its granules?

Accepted Answer

Neutrophil

Question 10

Which of the following is a phagocytic cell found in the human body?

Accepted Answer

Neutrophil

Question 11

Which characteristic is shared by all granulocytes?

Accepted Answer

They contain visible cytoplasmic granules under a light microscope.

Question 12

Monocytes develop into which type of phagocytic cell?

Accepted Answer

Macrophages

Question 13

Which of the following is a major difference between macrophages and neutrophils?

Accepted Answer

Macrophages are long-lived cells, while neutrophils are short-lived.

Question 14

Platelets are similar to erythrocytes in that both structures do not contain:

Accepted Answer

Nucleus

Question 15

Which physiological response causes vasoconstriction in blood flow immediately after a blood vessel injury?

Accepted Answer

Vascular spasm

Question 16

Which pathway of coagulation can be initiated by components that are not present in blood?

Accepted Answer

Extrinsic pathway

Question 17

Which option correctly arranges the components of the coagulation pathway?

Accepted Answer

Prothrombin Activator \rightarrow Thrombin \rightarrow Fibrinogen \rightarrow Fibrin

Question 18

What would happen if plasminogen was activated before clot retraction?

Accepted Answer

The clot would dissolve before the wound healed.

Question 19

Which of the following issues might arise if fibrinolysis did not occur?

Accepted Answer

Buildup of blood clots

Question 20

A patient with a deficiency in von Willebrand Factor would most likely have problems with which step of hemostasis?

Accepted Answer

Platelet plug formation

Chapter 19: Blood – Structure, Function, and Hemostasis

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