NPTE-PT Neuromuscular and Nervous Systems 2

Question 1

A patient presents with foot drop, weakness of ankle dorsiflexion, and sensory loss over the dorsum of the foot. Which nerve is most likely injured?

Accepted Answer

Common peroneal nerve

Answer

Tibial nerve

Answer

Sural nerve

Answer

Saphenous nerve

Question 2

Which reflex arc component is responsible for detecting changes in muscle length?

Accepted Answer

Muscle spindle

Answer

Golgi tendon organ

Answer

Pacinian corpuscle

Answer

Ruffini ending

Question 3

A patient recovering from a stroke demonstrates hyperreflexia and increased muscle tone in the right upper extremity. Which descending pathway is most likely damaged?

Accepted Answer

Corticospinal tract

Answer

Rubrospinal tract

Answer

Vestibulospinal tract

Answer

Reticulospinal tract

Question 4

Which cranial nerve is tested when a patient is asked to shrug their shoulders against resistance?

Accepted Answer

CN XI

Answer

CN IX

Answer

CN X

Answer

CN XII

Question 5

During gait analysis, a patient shows excessive lateral trunk lean toward the stance leg. This compensatory strategy is most likely due to weakness of which muscle?

Accepted Answer

Gluteus medius

Answer

Gluteus maximus

Answer

Tensor fascia latae

Answer

Piriformis

Question 6

A patient with a C6 spinal cord injury would retain which of the following motor functions?

Accepted Answer

Wrist extension

Answer

Finger flexion

Answer

Elbow extension

Answer

Hand intrinsic muscle control

Question 7

Which term describes the phenomenon where repeated stimulation of a reflex leads to a diminished response over time?

Accepted Answer

Habituation

Answer

Sensitization

Answer

Facilitation

Answer

Irradiation