Medical Quiz

Orthopaedic Neurology Quiz


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Supraspinatus Muscle = C5,C6 =

A. Axillary Nerve

B. Suprascapular Nerve

C. Radial Nerve

D. Ulnar Nerve


The anterior part of the deltoid ____ the shoulder.

A. Flexes

B. Abducts

C. Extends


The main nerve for the Deltoid C5 distribution is

A. Axillary Nerve

B. Musculocutaneous Nerve

C. Suprascapular

D. Radial Nerve


What is the MAJOR innervator nerve root of diaphragm?

A. C4

B. C6

C. C7

D. C2


Which part of the deltoid abducts the shoulder most powerfully?

A. Middle

B. Anterior

C. Posterior


Which muscle has almost a pure C5 innervation

A. Deltoid only

B. Deltoid and Biceps

C. Biceps only


Interruption in basic architecture reflex such as damage to muscle spindle, axon, SC synapse, muscle fibers

A. Hyporeflexia

B. Hyperreflexia

C. Areflexia


Trauma to axillary Nerve/C5 root wi cause damage to dermatome that runs from

A. Summit of shoulder to elbow lateral

B. Left upper hip to knee

C. Lateral calf over great toe

D. Over the radial aspect of the wrist and thumb


Testing for C5 integrity involves testing which muscles

A. Deltoid only

B. Deltoid and Biceps

C. Biceps only


This muscle has a mixture of C5 and C6

A. Deltoid only

B. Deltoid and Biceps

C. Biceps only


This reflex is an indicator of C5 neurologic integrity

A. Biceps Reflex

B. Brachioradialis Reflex

C. Gag Reflex

D. Triceps Reflex


What is the role of the serratus anterior in shoulder abduction?

A. Stabilizes Scapula

B. Stabilizes Femoral head

C. Prepares the acromion for stress

D. Stabilizes clavicles


The posterior part of the deltoid ____ the shoulder.

A. Flexes

B. Abducts

C. Extends


Biceps Brachii testing for C5 with

A. Elbow Flexion

B. Elbow Extension

C. Shoulder Abduction


The Biceps Brachii is innervated by the

A. Musculocutaneous Nerve

B. Axillary Nerve

C. Radial Nerve

D. Suprascapular Nerve


Deltoid Muscle = C5,C6 =

A. Axillary Nerve

B. Suprascapular Nerve

C. Radial Nerve

D. Ulnar Nerve


This muscle is a flexor of the elbow and shoulder as well as the spinster of the forearm.

A. Biceps Brachii

B. Triceps Brachii

C. Brachioradialis

D. Dorsalis Pedis


Upper motor neuron lesion/interruption can lead to?

A. Hyporeflexia

B. Hyperreflexia

C. Areflexia


Pressure on a nerve root can result in?

A. Hyporeflexia

B. Hyperreflexia

C. Areflexia


How will you notice the Biceps reflex?

A. Bicep will jerk slightly

B. Triceps will jerk slightly

C. Biceps will spastically contract

D. Biceps will contract for 10 secs




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