ATI LPN
Chapter 15 The Gastrointestinal System Review Questions Questions
Question 1 of 5
Drugs with prominent hepatic and gastrointestinal effects in overdose are: ( Select one that does not apply)
Correct Answer: B
Rationale: Both co-codamol and co-proxamol contain paracetamol which may be hepatotoxic. Cophenotrope has the constipating opioid diphenoxylate, but includes atropine whose unpleasant anticholinergic side-effects, including dry mouth, are designed to discourage over-use.
Question 2 of 5
What is the digestive system?
Correct Answer: C
Rationale: The digestive system processes food into nutrients for the body, making 'food-processing system' correct. Breathing relates to the respiratory system, nerves to the nervous system, and blood transport to the circulatory system.
Question 3 of 5
Which of the following does NOT manufacture digestive juices?
Correct Answer: B
Rationale: The liver , stomach , and pancreas produce digestive juices (bile, gastric juice, pancreatic enzymes), but kidneys filter blood for urine, not digestive juices, making B correct.
Question 4 of 5
In a demonstration, 10 grams of raw meat were suspended in an enzyme solution. After several hours the meat was weighed and was found to have a mass of 3 grams. The solution most likely contained
Correct Answer: B
Rationale: Pepsin, a protease, breaks down proteins in meat, reducing its mass, making B correct; bile emulsifies, maltose is a sugar, and amylase digests starch.
Question 5 of 5
What enzyme breaks down proteins into peptides in structure W?
Correct Answer: C
Rationale: Assuming W is the stomach, pepsin digests proteins into peptides, making C correct.