CHAPTER 26: HEMATOLOGICAL ALTERATIONS

CHAPTER 26: HEMATOLOGICAL ALTERATIONS

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

MULTIPLE CHOICE

 

1. Where are blood cells produced during fetal development?

a.	bone marrow	c.	liver and spleen
b.	stem cells	d.	heart and lungs

 

 

ANS:  C

 

	Feedback
A	Incorrect. After birth, blood cells are produced in the bone marrow, but not during fetal development.
B	Incorrect. After birth, blood cells are produced from stem cells in the bone marrow, but not during fetal development.
C	Correct. During fetal development blood cells are produced in the liver and the spleen.
D	Incorrect. Blood cells are never produced in the heart and lungs.

 

 

PTS:   1                    REF:   p. 912 – Hematological Alterations   OBJ:   Cognitive Level: Knowledge

 

2. What features of red blood cells (RBCs) allow them to reach all the tissues of the body?

a.	shape, size, and structure	c.	propulsive DNA energy
b.	gelatinous quality	d.	compacting of various cells

 

 

ANS:  A

 

	Feedback
A	Correct. The red blood cells’ (RBCs) primary function is to supply the tissues of the body with oxygen, made possible by the shape, size, and structure of these cells.
B	Incorrect. A gelatinous quality is not a feature of red blood cells (RBCs) that allows them to reach all the tissues of the body.
C	Incorrect. Propulsive DNA energy is not a feature of red blood cells (RBCs) that allows them to reach all the tissues of the body.
D	Incorrect. Compacting of various cells is not a feature of red blood cells (RBCs) that allows them to reach all the tissues of the body.

 

 

PTS:   1                    REF:   p. 912 – Hematological Alterations   OBJ:   Cognitive Level: Knowledge

 

3. The primary function of white blood cells (WBCs) is to guard against microorganisms and to do which of the following?

a.	produce erythrocytes	c.	disperse platelets
b.	remove debris	d.	boost antibiotics

 

 

ANS:  B

 

	Feedback
A	Incorrect. The primary function of white blood cells (WBCs) is not to produce erythrocytes.
B	Correct. The primary function of white blood cells (WBCs) is to defend against invading microorganisms and remove debris.
C	Incorrect. The primary function of white blood cells (WBCs) is not to disperse platelets.
D	Incorrect. The primary function of white blood cells (WBCs) is not to boost antibiotics.

 

 

PTS:   1                    REF:   p. 912 – Hematological Alterations   OBJ:   Cognitive Level: Knowledge

 

4. What is the main function of platelets?

a.	to wall off foreign proteins, preventing infection
b.	to carry nutrients to tissues throughout the body
c.	to be involved in the recovery process in infection
d.	to facilitate blood coagulation to control bleeding

 

 

ANS:  D

 

	Feedback
A	Incorrect. The main function of platelets is not to wall off foreign proteins, preventing infection.
B	Incorrect. The main function of platelets is not to carry nutrients to tissues throughout the body.
C	Incorrect. The main function of platelets is not to be involved in the recovery process in infection.
D	Correct. The platelets are disk-shaped cytoplasmic fragments and are not considered cells, and their primary function is to facilitate blood coagulation in order to control bleeding.

 

 

PTS:   1                    REF:   p. 913 – Anatomy and Physiology     OBJ:   Cognitive Level: Knowledge

 

5. The pediatric nurse doing assessments on infants and young children is aware that the most common blood disorder in children is:

a.	leukemia	c.	thalassemia minor
b.	anemia	d.	von Willebrand’s disease

 

 

ANS:  B

 

	Feedback
A	Incorrect. The most common blood disorder in children is not leukemia.
B	Correct. Anemia is not a disease, but rather a term used to describe a decrease in oxygen-carrying capacity of the blood caused by underlying disease or injury. Anemia is the most common blood disorder in children.
C	Incorrect. The most common blood disorder in children is not thalassemia minor.
D	Incorrect. The most common blood disorder in children is not von Willebrand’s disease.

 

 

PTS:   1                    REF:   p. 913 – Anatomy and Physiology     OBJ:   Cognitive Level: Knowledge