Question 1

Which type of receptor is primarily responsible for detecting changes in blood pressure within arteries?

Accepted Answer

Mechanoreceptors

Question 2

A patient presents with numbness and tingling in the lateral palm and first three fingers. Which nerve is most likely compressed in carpal tunnel syndrome?

Accepted Answer

Median nerve

Question 3

Which nerve innervates the biceps brachii muscle, allowing for flexion of the forearm?

Accepted Answer

Musculocutaneous nerve

Question 4

Bell’s Palsy is characterized by sudden weakness of facial muscles. Which cranial nerve is affected?

Accepted Answer

Facial nerve (CN VII)

Question 5

Which nerve is aggravated when you strike your 'funny bone' at the elbow?

Accepted Answer

Ulnar nerve

Question 6

Which of the following cranial nerves has a parasympathetic function?

Accepted Answer

Oculomotor nerve (CN III)

Question 7

Which nerve is the major nerve of the lumbar plexus and is responsible for innervating the quadriceps femoris muscle?

Accepted Answer

Femoral nerve

Question 8

Afferent nerves are responsible for which of the following functions?

Accepted Answer

Sensory input from the periphery to the CNS

Question 9

Which nerve controls the extensor muscles of the forearm and is often injured in a 'wrist drop' scenario?

Accepted Answer

Radial nerve

Question 10

Which subdivision of the brachial plexus directly gives rise to the terminal nerves such as the median, ulnar, and radial nerves?

Accepted Answer

Cords

Question 11

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

Accepted Answer

Optic nerve (CN II)

Question 12

Which nerve is part of the sciatic nerve and is responsible for dorsiflexion of the foot?

Accepted Answer

Common fibular (peroneal) nerve

Question 13

Which of the following is NOT a major nerve arising from the brachial plexus?

Accepted Answer

Femoral nerve

Question 14

A patient has difficulty abducting their arm at the shoulder. Which nerve is most likely damaged?

Accepted Answer

Axillary nerve

Question 15

Which cranial nerve is involved in both taste sensation and parasympathetic control of salivary glands?

Accepted Answer

Facial nerve (CN VII)

Question 16

Which type of receptor would be most active during a painful stimulus, such as touching a hot stove?

Accepted Answer

Nociceptors

Question 17

Which nerve is responsible for innervating most of the intrinsic muscles of the hand?

Accepted Answer

Ulnar nerve

Question 18

Which cranial nerve is responsible for controlling the muscles of mastication?

Accepted Answer

Trigeminal nerve (CN V)

Question 19

Which nerve is responsible for plantar flexion of the foot and is a branch of the sciatic nerve?

Accepted Answer

Tibial nerve

Question 20

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

Study Guidance for Peripheral and Cranial Nerves (ANP Ch. 13)

Study Guide - Practice Questions

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