TB 05 Questions and Graded A+ Answers
Chapter 05: Digestion, Absorption, and Metabolism
Nix: Williams' Basic Nutrition and Diet Therapy, 15th Edition
MULTIPLE57CHOICE
1. The57process57of57digestion57involves
a. thermal57and57chemical57actions.
b. chemical57and57metabolic57actions.
c. mechanical57and57chemical57actions.
d. mechanical57and57thermal57actions.
ANS:57 C
For57nutrients57to57be57delivered57to57the57cells,57food57goes57through57a57series57of57mecha
nical57and57chemical57changes.
DIF: Cognitive57Level:57Knowledge REF:5 7 p.5756
TOP:5 7 Nursing57Process:57Planning57MSC:5 7 NCLEX:57Physiological57Integrity:57Physiol
ogical57Adaptation
2. The57rhythmic57contractions57of57the57stomach57and57intestine57that57propel57food57along57are5
7called
a. segmentation.
b. peristalsis.
c. cardiospasm.
d. pendular57movements.
ANS:5 7 B
Peristalsis57is57the57alternating57muscular57contractions57and57relaxations57that57force57the5
7contents57forward57through57the57gastrointestinal57tract.57The57smooth57muscles57of57the57g
astrointestinal57wall57provide57these57two57movements57to57ensure57continuous57passage57o
f57the57food57mass57along57its57journey.
DIF: Cognitive57Level:57Knowledge REF:5 7 p.5757
TOP:5 7 Nursing57Process:57Planning57MSC:5 7 NCLEX:57Physiological57Integrity:57Physiol
ogical57Adaptation
3. An57example57of57a57gastric57secretion57is
a. intestinal57lipase.
b. pancreatic57amylase.
c. bile.
d. hydrochloric57acid.
ANS:57 D
Gastric57secretions57include57enzymes,57hydrochloric57acid,57buffer57ions,57mucus,57water57and
57electrolytes.
DIF: Cognitive57Level:57Application REF:5 7 p.5757
TOP:5 7 Nursing57Process:57Planning57MSC:5 7 NCLEX:57Physiological57Integrity:57Physiol
ogical57Adaptation
4. A57pizza57slice57is57being57consumed57by57a57hungry57teen.57The57first57actions57of57biting,
57chewing,57and57breaking57up57the57slice57into57smaller57particles57are57called
a. peristalsis.
, b. segmentation.
Chapter 05: Digestion, Absorption, and Metabolism
Nix: Williams' Basic Nutrition and Diet Therapy, 15th Edition
MULTIPLE57CHOICE
1. The57process57of57digestion57involves
a. thermal57and57chemical57actions.
b. chemical57and57metabolic57actions.
c. mechanical57and57chemical57actions.
d. mechanical57and57thermal57actions.
ANS:57 C
For57nutrients57to57be57delivered57to57the57cells,57food57goes57through57a57series57of57mecha
nical57and57chemical57changes.
DIF: Cognitive57Level:57Knowledge REF:5 7 p.5756
TOP:5 7 Nursing57Process:57Planning57MSC:5 7 NCLEX:57Physiological57Integrity:57Physiol
ogical57Adaptation
2. The57rhythmic57contractions57of57the57stomach57and57intestine57that57propel57food57along57are5
7called
a. segmentation.
b. peristalsis.
c. cardiospasm.
d. pendular57movements.
ANS:5 7 B
Peristalsis57is57the57alternating57muscular57contractions57and57relaxations57that57force57the5
7contents57forward57through57the57gastrointestinal57tract.57The57smooth57muscles57of57the57g
astrointestinal57wall57provide57these57two57movements57to57ensure57continuous57passage57o
f57the57food57mass57along57its57journey.
DIF: Cognitive57Level:57Knowledge REF:5 7 p.5757
TOP:5 7 Nursing57Process:57Planning57MSC:5 7 NCLEX:57Physiological57Integrity:57Physiol
ogical57Adaptation
3. An57example57of57a57gastric57secretion57is
a. intestinal57lipase.
b. pancreatic57amylase.
c. bile.
d. hydrochloric57acid.
ANS:57 D
Gastric57secretions57include57enzymes,57hydrochloric57acid,57buffer57ions,57mucus,57water57and
57electrolytes.
DIF: Cognitive57Level:57Application REF:5 7 p.5757
TOP:5 7 Nursing57Process:57Planning57MSC:5 7 NCLEX:57Physiological57Integrity:57Physiol
ogical57Adaptation
4. A57pizza57slice57is57being57consumed57by57a57hungry57teen.57The57first57actions57of57biting,
57chewing,57and57breaking57up57the57slice57into57smaller57particles57are57called
a. peristalsis.
, b. segmentation.
