Question 1

Which hormone is primarily responsible for increasing the rate of protein synthesis and stimulating cell growth and replication throughout the body?

Accepted Answer

Growth hormone

Question 2

A patient presents with high blood calcium levels. Which hormone is most likely being secreted in excess to cause this condition?

Accepted Answer

Parathyroid hormone

Question 3

Which of the following best describes the role of aldosterone in the body?

Accepted Answer

Triggers reabsorption of sodium ions in the kidney, sweat glands, salivary glands, and pancreas

Question 4

A patient with diabetes mellitus is experiencing high blood glucose levels. Which of the following best explains the underlying cause?

Accepted Answer

Hyposecretion of insulin or decreased sensitivity of insulin receptors

Question 5

Which hormone is released by the heart in response to excessive stretching of the atria, and what is its primary effect?

Accepted Answer

Atrial natriuretic peptide (ANP); reduces blood volume by increasing sodium excretion

Question 6

Which of the following best illustrates a synergistic hormonal interaction?

Accepted Answer

Cortisol and growth hormone together producing a greater increase in blood glucose than either alone

Question 7

A patient is found to have a low platelet count (thrombocytopenia). Which of the following is a likely consequence?

Accepted Answer

Impaired blood clotting and increased bleeding risk

Question 8

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

Accepted Answer

Antidiuretic hormone (ADH)

Question 9

A patient with chronic kidney disease is found to have anemia. Which hormone deficiency is most likely contributing to this condition?

Accepted Answer

Erythropoietin

Question 10

Which plasma protein is primarily responsible for maintaining the osmotic pressure of blood?

Accepted Answer

Albumins

Question 11

A patient is experiencing symptoms of hypothyroidism, including fatigue and weight gain. Which of the following best explains the physiological basis for these symptoms?

Accepted Answer

Decreased secretion of thyroid hormones leads to a reduced metabolic rate

Question 12

Which of the following best describes the function of leukocytes?

Accepted Answer

Defend against toxins and pathogens

Question 13

A patient is given a drug that blocks the action of antidiuretic hormone (ADH). What is the most likely effect on urine output?

Accepted Answer

Urine output will increase

Question 14

Which hormone is produced by adipose tissue and provides negative feedback control of appetite?

Accepted Answer

Leptin

Question 15

Which of the following is true regarding the oxygen-hemoglobin bond in red blood cells?

Accepted Answer

It is a weak bond, allowing for easy release of oxygen to tissues

Question 16

A patient is experiencing muscle cramps and irregular heartbeats due to low blood sodium levels. Which hormone is most likely deficient?

Accepted Answer

Aldosterone

Question 17

Which hormone is secreted by the pineal gland and is involved in regulating circadian rhythms?

Accepted Answer

Melatonin

Question 18

Which of the following best describes the permissive effect in hormonal interactions?

Accepted Answer

One hormone cannot exert its full effects without another hormone present

Question 19

A patient with a severe allergic reaction is given an injection of epinephrine. Which gland is responsible for the natural production of this hormone?

Accepted Answer

Adrenal medulla

Question 20

Which of the following best describes the sequence of events in hemostasis (prevention of blood loss) after a blood vessel is injured?

Accepted Answer

Vascular phase, platelet phase, coagulation phase

Chapter 10-11

Study Guide - Practice Questions

Study Guide - Flashcards