ATI RN
Anatomy And Physiology Digestive System Test Questions Questions
Question 1 of 5
Why is pepsin not secreted into the stomach?
Correct Answer: B
Rationale: Pepsin is secreted into the stomach as pepsinogen by chief cells and activated by stomach acid. It does not digest the stomach due to the protective mucus layer.
Question 2 of 5
Homeostasis has 3 parts. What is the general term for the 1st?
Correct Answer: C
Rationale: Receptors detect changes in the internal environment as the first step in homeostasis.
Question 3 of 5
The gross structure of the kidney is divided into 3 parts. In which part do the Bowman's capsules lie?
Correct Answer: A
Rationale: Bowman's capsules, part of the nephron, are located in the renal cortex.
Question 4 of 5
Aldosterone does what?
Correct Answer: C
Rationale: Aldosterone promotes sodium reabsorption in the distal tubule and collecting duct, indirectly aiding water retention.
Question 5 of 5
The nutrient that supplies bulk to help the movement of waste through the digestive system is
Correct Answer: D
Rationale: Fibre provides bulk and aids in the movement of waste through the digestive tract by promoting peristalsis.