Chapter 09: Nutrition

Chapter 09: Nutrition

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

MULTIPLE CHOICE

 

1. What two mechanisms does the regulation of the gastrointestinal system require?

a.	Neural control and cardiovascular control
b.	Secretion of hormones and kidney filtration
c.	Neural control and secretions of hormones
d.	Cardiovascular control and kidney filtration

 

 

ANS:  C

The gastrointestinal system is regulated by neural control and hormonal secretion.

 

DIF:    Cognitive Level: Knowledge            REF:   p. 104             OBJ:   2

TOP:   Regulators of Gastrointestinal Activity                              KEY:  Nursing Process Step: N/A

MSC:  NCLEX: N/A

 

2. The mouth and stomach are two areas of the gastrointestinal system in which the digestion of food occurs. What is the third area of the gastrointestinal system in which digestion of food occurs?

a.	Large intestine
b.	Small intestine
c.	Pancreas
d.	Pharynx

 

 

ANS:  B

Digestion of food occurs in three areas of the gastrointestinal system: (1) the mouth, (2) the stomach, and (3) the small intestine.

 

DIF:    Cognitive Level: Knowledge            REF:   p. 104             OBJ:   2

TOP:   Digestive Process                            KEY:  Nursing Process Step: N/A

MSC:  NCLEX: N/A

 

3. What is formed after food is masticated, swallowed, and mixed with gastric secretions in the stomach?

a.	Bolus
b.	Chyme
c.	Protein
d.	Lipid

 

 

ANS:  B

In the stomach, the bolus is mixed with gastric secretions, and the mass is converted into a semiliquid substance called chyme.

 

DIF:    Cognitive Level: Knowledge            REF:   p. 104             OBJ:   2

TOP:   Digestive Process                            KEY:  Nursing Process Step: N/A

MSC:  NCLEX: N/A

 

4. The stomach is normally emptied in 1 to 4 hours, depending on the amount and kind of food eaten. Which foods, when eaten separately, leave the stomach most rapidly?

a.	Carbohydrates
b.	Fats
c.	Lipids
d.	Proteins

 

 

ANS:  A

When eaten alone, carbohydrates leave the stomach most rapidly.

 

DIF:    Cognitive Level: Knowledge            REF:   p. 104             OBJ:   2

TOP:   Digestive Process                            KEY:  Nursing Process Step: N/A

MSC:  NCLEX: N/A

 

5. What is the name of the sphincter that prevents the backflow of the food mass from the duodenum into the stomach?

a.	Pyloric
b.	Cardiac
c.	Esophageal
d.	Mitral

 

 

ANS:  A

The pyloric sphincter at the exit of the stomach prevents the backflow of the food mass from the duodenum into the stomach.

 

DIF:    Cognitive Level: Knowledge            REF:   p. 104             OBJ:   2

TOP:   Digestive Process                            KEY:  Nursing Process Step: N/A

MSC:   NCLEX: N/A