Question 1

Which cranial nerve is primarily responsible for transmitting visual information from the retina to the brain?

Accepted Answer

Optic nerve (Cranial Nerve II)

Question 2

A patient presents with loss of taste on the anterior two-thirds of the tongue. Which cranial nerve is most likely affected?

Accepted Answer

Facial nerve (Cranial Nerve VII)

Question 3

Which of the following correctly lists the layers of the eye from outermost to innermost?

Accepted Answer

Sclera, choroid, retina

Question 4

A patient is unable to hear high-frequency sounds. Which part of the ear is most likely damaged?

Accepted Answer

Cochlea

Question 5

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

Accepted Answer

Epinephrine

Question 6

A patient with hyperthyroidism is likely to have elevated levels of which hormone?

Accepted Answer

Thyroxine ($$T_4)$$

Question 7

Which of the following best describes the flow of blood through the heart and lungs in the pulmonary circuit?

Accepted Answer

Right atrium → Right ventricle → Pulmonary artery → Lungs → Pulmonary vein → Left atrium

Question 8

Which structure is responsible for initiating the electrical impulse that triggers a heartbeat?

Accepted Answer

Sinoatrial (SA) node

Question 9

A patient’s ECG shows an abnormally prolonged QRS complex. What does this most likely indicate?

Accepted Answer

Delayed ventricular depolarization

Question 10

Which of the following blood vessels has the thickest tunica media and is best suited for regulating blood pressure?

Accepted Answer

Artery

Question 11

Which formula correctly represents the calculation of blood pressure?

Accepted Answer

$$BP = CO 	imes TPR$$

Question 12

Which of the following is NOT a function of leukocytes?

Accepted Answer

Transporting oxygen

Question 13

A patient with type AB blood can safely receive blood from which of the following types?

Accepted Answer

Type O, Type A, Type B, and Type AB

Question 14

Which of the following best describes the function of the spleen in the lymphatic system?

Accepted Answer

Filters blood and removes old red blood cells

Question 15

Which of the following is considered the body's first line of defense against pathogens?

Accepted Answer

Intact skin and mucous membranes

Question 16

A patient has a blockage in the left coronary artery. Which area of the heart is most at risk for ischemia?

Accepted Answer

Left ventricle

Question 17

Which of the following best describes the difference between systemic and pulmonary circulation?

Accepted Answer

Systemic circulation carries oxygenated blood to the body, pulmonary circulation carries deoxygenated blood to the lungs

Question 18

Which type of blood vessel allows for the exchange of gases, nutrients, and waste products between blood and tissues?

Accepted Answer

Capillaries

Question 19

Which of the following is a characteristic of red blood cells that allows them to efficiently transport oxygen?

Accepted Answer

Biconcave shape increases surface area

Question 20

A patient is diagnosed with lymphedema after lymph node removal. Which function of the lymphatic system is most directly impaired?

Accepted Answer

Return of interstitial fluid to the bloodstream

Anatomy & Physiology: Special Senses, Endocrine, Cardiovascular, Blood, and Lymphatic Systems Study Guide

Study Guide - Practice Questions