Chapter 11 The Blood Questions

Question 1

Blood can absorb metabolic heat while undergoing only small changes in temperature.

(True or false?)

Answer 1

True

Question 2

Hemoglobin can carry only O₂.

(True or false?)

Answer 2

False

Question 3

Erythrocytes, leukocytes, and platelets all originate from the same undifferentiated stem cells.

(True or false?)

Answer 3

True

Question 4

Erythrocytes are unable to use the O₂ they contain for their own ATP formation.

(True or false?)

Answer 4

True

Question 5

White blood cells spend most of their time in the blood.

(True or false?)

Answer 5

False

Question 6

What is the type of leukocyte produced primarily in lymphoid tissue?

Answer 6

Lymphocytes

Question 7

What synthesizes most clotting factors?

Answer 7

The Liver

Question 8

Which of the following is not a function of plasma proteins?

Answer 8

d

Question 9

Which of the following is not directly triggered by exposed collagen in an injured vessel?

a. initial vascular spasm
b. platelet aggregation
c. activation of the clotting cascade
d. activation of plasminogen

Answer 9

A

Question 10

Match the following (an answer may be used more than once):

Answer 10

1. c,
2. f,
3. b,
4. a,
5. g,
6. d,
7. h,
8. e,
9. f

Question 11

Match the following blood abnormalities with their causes:

Answer 11

1. e,
2. c,
3. b,
4. d,
5. g,
6. f,
7. a,
8. h

Question 12

What is the average blood volume in women and in men?

What is the normal percentage of blood occupied by erythrocytes and by plasma in women and in men?

What is the hematocrit? What is the buffy coat?

Answer 12

Question 13

What is the composition of plasma?

Answer 13

Question 14

List the three major groups of plasma proteins, and state their functions.

Answer 14

Question 15

Describe the structure and functions of erythrocytes.

Answer 15

Question 16

Why can erythrocytes survive for only about 120 days?

Answer 16

Question 17

Describe the process and control of erythropoiesis.

Answer 17

Question 18

• List the antigens and antibodies present in the blood of the four major ABO blood types.
• Describe what happens in a transfusion reaction.
• Does the recipient have to have had prior exposure to incompatible blood of the ABO type for a transfusion reaction to occur?
• Does the recipient have to have had prior exposure to incompatible blood of the Rh type for a transfusion reaction to occur? Explain.

Answer 18

Question 19

Compare the structure, functions, and life spans of the five types of leukocytes.

Answer 19

Question 20

Discuss the derivation of platelets.

Answer 20

Question 21

Describe the three steps of hemostasis, including a comparison of the intrinsic and extrinsic pathways by which the clotting cascade is triggered.

Answer 21

Question 22

Compare plasma and serum.

Answer 22

Question 23

What normally prevents inappropriate clotting in vessels?

Answer 23