$$\text{Glucose}_{\text{blood}} + \text{Insulin} \rightarrow \text{Glucose}_{\text{cell}}$$

Question 1

Which of the following best describes the difference between endocrine and exocrine glands?

Accepted Answer

Endocrine glands release hormones into the blood or lymph, while exocrine glands release their products through ducts to body surfaces or cavities.

Question 2

A patient is taking diuretic medication. Which hormone’s action should be considered due to its role in water reabsorption by the kidneys?

Accepted Answer

Antidiuretic hormone (ADH, vasopressin)

Question 3

Which hormone is primarily responsible for regulating the body’s sleep/wake cycle?

Accepted Answer

Melatonin

Question 4

A child presents with abnormally short stature due to insufficient growth of long bones. Which hormone is most likely deficient?

Accepted Answer

Growth hormone (GH)

Question 5

Which hormone is produced by the adrenal medulla and released in response to sympathetic nervous system activation?

Accepted Answer

Epinephrine (adrenaline)

Question 6

What is the primary metabolic hormone that controls the rate of oxidation of glucose to supply body heat and chemical energy (ATP)?

Accepted Answer

Thyroid hormone (T3/T4)

Question 7

Which hormone is responsible for male secondary sex characteristics and sperm production?

Accepted Answer

Testosterone

Question 8

A patient with diabetes insipidus will most likely present with which of the following symptoms?

Accepted Answer

Large volume of dilute, odorless urine and extreme thirst

Question 9

Which of the following equations best represents the relationship between glucose, insulin, and cellular uptake in normal metabolism?

Accepted Answer

$$	ext{Glucose}_{	ext{blood}} + 	ext{Insulin} ightarrow 	ext{Glucose}_{	ext{cell}}$$

Question 10

Which of the following is a key difference between Type 1 and Type 2 diabetes mellitus?

Accepted Answer

Type 1 diabetes requires daily insulin for survival, while Type 2 diabetes may be managed with lifestyle changes and oral medications.

Question 11

Which health consequence is most directly associated with long-term uncontrolled diabetes?

Accepted Answer

Increased risk of blindness due to retinal problems

Question 12

Which hormone is produced by the posterior pituitary and helps the kidneys reabsorb water?

Accepted Answer

Antidiuretic hormone (ADH, vasopressin)

Question 13

A patient with high blood pressure is likely to secrete less ADH. What effect does this have on urine output?

Accepted Answer

Urine output increases

Question 14

Which hormone is produced by the pineal gland and may play a role in inhibiting the reproductive system until maturity?

Accepted Answer

Melatonin

Question 15

Which of the following is a plausible consequence of hyposecretion of growth hormone (GH) during childhood?

Accepted Answer

Dwarfism

Question 16

Which hormone is responsible for kickstarting menstrual cycles in females?

Accepted Answer

Estrogen and progesterone

Question 17

Which of the following is a major risk factor for developing Type 2 diabetes?

Accepted Answer

Obesity and high blood pressure

Question 18

Which hormone is produced by the adrenal cortex after long periods of stress and can reduce immune response?

Accepted Answer

Glucocorticoids

Question 19

Gestational diabetes occurs during pregnancy. What is a potential complication if it is not managed?

Accepted Answer

Complicated birth

Question 20

Which of the following best describes the negative feedback mechanism in hormone regulation?

Accepted Answer

A rising level of a hormone inhibits further release of that hormone.

Endocrine System: Hormone Actions, Imbalances, and Diabetes

Study Guide - Practice Questions