Question 1

Which connective tissue sheath surrounds individual muscle fibers?

Accepted Answer

Endomysium

Question 2

A patient is unable to flex their forearm at the elbow. Which muscle is most likely impaired?

Accepted Answer

Biceps brachii

Question 3

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

Accepted Answer

Optic (CN II)

Question 4

Which layer of the epidermis is only present in thick skin, such as the palms and soles?

Accepted Answer

Stratum lucidum

Question 5

A multipolar neuron can be identified by which structural feature?

Accepted Answer

One axon and multiple dendrites

Question 6

Which muscle is primarily responsible for plantar flexion of the foot?

Accepted Answer

Gastrocnemius

Question 7

Which structure in the ear is responsible for detecting rotational movement?

Accepted Answer

Semicircular canals

Question 8

Which hormone is produced by the adrenal gland and is involved in regulating sodium and potassium balance?

Accepted Answer

Aldosterone

Question 9

If the sciatic nerve is damaged, which region of the body will most likely experience sensory and motor deficits?

Accepted Answer

Thigh and leg

Question 10

Which connective tissue type is found in the papillary layer of the dermis?

Accepted Answer

Areolar connective tissue

Question 11

A patient presents with loss of sensation in the lateral forearm and weakness in elbow flexion. Which nerve is most likely affected?

Accepted Answer

Musculocutaneous nerve

Question 12

Which structure is the outermost meningeal layer surrounding the spinal cord?

Accepted Answer

Dura mater

Question 13

Which muscle elevates the scapula?

Accepted Answer

Levator scapulae

Question 14

Which cranial nerve is both sensory and motor and is involved in facial expressions and taste?

Accepted Answer

Facial (CN VII)

Question 15

Which structure in the cochlea contains the sensory receptors for hearing?

Accepted Answer

Organ of Corti

Question 16

Which equation correctly represents the relationship between force, mass, and acceleration in muscle contraction?

Accepted Answer

$F = m 	imes a$

Question 17

Which hormone is secreted by the posterior pituitary and increases water reabsorption in the kidneys?

Accepted Answer

Antidiuretic hormone (ADH)

Question 18

Which structure in the neuron is responsible for transmitting the action potential to the next cell?

Accepted Answer

Axon terminal

Question 19

Which muscle adducts the thigh?

Accepted Answer

Adductor magnus

Question 20

A patient has difficulty moving their eye laterally. Which cranial nerve is most likely damaged?

Accepted Answer

Abducens (CN VI)

BIOL 203 Lab Practical Review: Anatomy & Physiology Study Guide

Study Guide - Practice Questions