Question 1

Which of the following best describes a peptide hormone?

Accepted Answer

A hormone composed of amino acids and generally water-soluble

Question 2

Which hormone is produced by the adrenal medulla and is responsible for the 'fight or flight' response?

Accepted Answer

Epinephrine

Question 3

What is the primary function of tropic hormones?

Accepted Answer

To stimulate the release of other hormones from endocrine glands

Question 4

Which of the following is a correct sequence for the second messenger system?

Accepted Answer

Hormone binds receptor → G protein activated → Adenylate cyclase activated → cAMP produced

Question 5

Which hormone is secreted by the pancreas and lowers blood glucose levels?

Accepted Answer

Insulin

Question 6

Which of the following is found in the buffy coat of centrifuged blood?

Accepted Answer

Leukocytes and platelets

Question 7

Which of the following best describes the function of platelets?

Accepted Answer

Initiate blood clotting

Question 8

A patient with type A blood receives type B blood. What is the most likely outcome?

Accepted Answer

Agglutination and hemolysis of donor erythrocytes

Question 9

Why might a patient be prescribed an anticoagulant?

Accepted Answer

To prevent abnormal blood clot formation

Question 10

Which of the following is a granulocyte?

Accepted Answer

Neutrophil

Question 11

Which structure in the inner ear is primarily responsible for detecting sound vibrations?

Accepted Answer

Spiral organ of Corti

Question 12

What is the main function of gustatory hairs?

Accepted Answer

To detect dissolved chemicals for taste

Question 13

Which of the following best describes static equilibrium?

Accepted Answer

Sensing the position of the head relative to gravity

Question 14

Which hormone is produced by the placenta and is essential for maintaining pregnancy?

Accepted Answer

Human chorionic gonadotropin (hCG)

Question 15

Which of the following is a correct description of hematopoiesis?

Accepted Answer

The formation of blood cells in the red bone marrow

Question 16

Which of the following is a steroid hormone?

Accepted Answer

Aldosterone

Question 17

Which of the following best describes the pathway of visual information from the retina to the brain?

Accepted Answer

Retina → Optic nerve → Thalamus → Visual cortex

Question 18

Which of the following is the most abundant formed element in blood?

Accepted Answer

Erythrocytes

Question 19

Which of the following is a function of the hormone cortisol?

Accepted Answer

Increases blood glucose levels during stress

Question 20

Which papillae are most numerous on the human tongue and contain taste buds?

Accepted Answer

Fungiform papillae

Study Guide: Endocrine System, Blood, and Special Senses (BIOL 2404)

Study Guide - Practice Questions