Question 1

Which of the following best describes the main difference between the endocrine and nervous systems in terms of communication and response time?

Accepted Answer

The endocrine system uses hormones and typically has slower, longer-lasting effects.

Question 2

A patient is experiencing high blood glucose levels. Which hormone is primarily responsible for lowering blood glucose, and what is its main mechanism?

Accepted Answer

Insulin; promotes uptake of glucose by cells and inhibits glycogen breakdown.

Question 3

Which of the following is an example of negative feedback in the endocrine system?

Accepted Answer

Elevated blood calcium levels stimulate calcitonin release to lower calcium.

Question 4

Which hormone is secreted by the posterior pituitary and is responsible for water retention in the kidneys?

Accepted Answer

Antidiuretic hormone (ADH)

Question 5

A tumor in the anterior pituitary causes excessive growth hormone secretion in an adult. What condition is most likely to result?

Accepted Answer

Acromegaly

Question 6

Which of the following best describes the role of the hypothalamus in endocrine regulation?

Accepted Answer

It produces releasing and inhibiting hormones that control the anterior pituitary.

Question 7

Which hormone is released in response to low blood calcium levels and acts to increase blood calcium?

Accepted Answer

Parathyroid hormone (PTH)

Question 8

Which of the following is a correct sequence for the layers of the alimentary canal from innermost to outermost?

Accepted Answer

Mucosa, submucosa, muscularis externa, serosa

Question 9

Which of the following best explains why steroid hormones can pass through cell membranes while peptide hormones cannot?

Accepted Answer

Steroid hormones are lipid-soluble and diffuse through the lipid bilayer.

Question 10

Which of the following is a function of the large intestine?

Accepted Answer

Absorption of water and electrolytes

Question 11

A patient with damage to the parietal cells of the stomach would have difficulty absorbing which vitamin?

Accepted Answer

Vitamin B12

Question 12

Which hormone is primarily responsible for stimulating the release of glucose from the liver during fasting?

Accepted Answer

Glucagon

Question 13

Which of the following best describes the process of peristalsis in the digestive tract?

Accepted Answer

Alternating waves of contraction and relaxation of smooth muscle

Question 14

Which hormone is secreted by the pineal gland and helps regulate circadian rhythms?

Accepted Answer

Melatonin

Question 15

Which of the following is a correct description of the role of the hepatic portal vein?

Accepted Answer

It transports nutrient-rich blood from the digestive tract to the liver.

Question 16

Which of the following best describes the effect of aldosterone on the kidneys?

Accepted Answer

It increases sodium reabsorption and potassium excretion.

Question 17

Which hormone is responsible for stimulating uterine contractions during childbirth?

Accepted Answer

Oxytocin

Question 18

Which of the following is a function of the hormone secretin in the digestive system?

Accepted Answer

Stimulates the pancreas to release bicarbonate-rich juice

Question 19

Which of the following best describes the main function of the hormone cortisol?

Accepted Answer

Regulates metabolism and helps the body respond to stress

Endocrine and Digestive Systems: ANP College Study Guide

Study Guide - Practice Questions

Study Guide - Flashcards