Question 1

Which gland acts as a storehouse for the hormones produced by the hypothalamus of the brain?

Accepted Answer

Pituitary gland

Question 2

All amino acid-based hormones are lipid soluble and can cross the plasma membrane. Is this statement true or false?

Accepted Answer

False

Question 3

Which gland secretes the most important hormone controlling calcium balance in the blood?

Accepted Answer

Parathyroid

Question 4

A neurohormone is a:

Accepted Answer

Hormone released into blood by neurosecretory neurons

Question 5

Which type of fiber transmits dull, achy pain?

Accepted Answer

C fiber

Question 6

Which type of receptor does not adapt, or adapts very slowly, and produces a constant rate of firing as long as the stimulus is maintained?

Accepted Answer

Tonic

Question 7

More than one hormone can influence a single target cell. Is this statement true or false?

Accepted Answer

True

Question 8

What does it mean for a hormone to be 'tropic'? Provide an example.

Accepted Answer

It stimulates another endocrine gland to secrete its hormone; e.g., ACTH

Question 9

The endocrine gland that is probably malfunctioning if a person has a high metabolic rate is the:

Accepted Answer

Thyroid

Question 10

What effect does nitric oxide (NO) have on the body?

Accepted Answer

Causes vasodilation

Question 11

Which is the main circulating form of thyroid hormone?

Accepted Answer

Thyroxine ($$T_4)$$

Question 12

Which hormone is integral in salt regulation throughout the body?

Accepted Answer

Aldosterone

Question 13

Steroid hormones are synthesized from:

Accepted Answer

Cholesterol and are released into the blood via diffusion

Question 14

Why do steroid hormones take so long to generate changes in the body after they bind to intracellular receptors?

Accepted Answer

Steroid hormones affect gene transcription rates

Question 15

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

Accepted Answer

Parathyroid hormone (PTH)

Question 16

Which hormone is released by the adrenal medulla during a 'fight or flight' response?

Accepted Answer

Epinephrine

Question 17

Which of the following best describes the relationship between diabetes, blood sugar level, renal threshold, and the amount of glucose in the urine?

Accepted Answer

High blood sugar exceeds the renal threshold, causing glucose to appear in urine

Question 18

Which hormone is released in response to stress and increases blood glucose levels?

Accepted Answer

Cortisol

Question 19

Which of the following is a peptide hormone?

Accepted Answer

Insulin

Endocrine System and Hormones: Sample Exam Questions & Study Guide

Study Guide - Practice Questions