week 8 practice pre-quiz

Ace your homework & exams now with Quizwiz!

Nerves of the Brachial Plexus that innervate the arm include the radial, ulnar, median and axillary.

true

Choose the nerve that innervates the muscles of the lateral leg compartment.

superficial peroneal (fibular) nerve

The axillary nerve innervates a muscle that flexes the arm.

true

The brachial plexus is composed of the ventral (anterior) rami of C5, C6, C7, C8, and T1

true

The conus medullaris is the cylindrical, terminal portion of the spinal cord which ends at the level of L2.

true

The dorsal root of the spinal cord contains sensory axons only

true

The femoral nerve innervates a muscle that extends the leg.

true

The lumbar plexus is composed of the ventral rami of L1, L2, L3, and L4.

true

The median nerve is derived from the medial and lateral cords of the brachial plexus

true

The median nerve pierces the coracobrachialis muscle in more than ninety percent of people.

true

The muscles found within the plantar surface of the foot are innervated by the medial and lateral plantar nerves.

true

The posterior cord of the brachial plexus gives off both the radial and axillary nerves.

true

The radial nerve innervates a muscle that extends the forearm.

true

The radial nerve innervates muscles of the posterior arm

true

The radial nerve innervates the dorsal surface of the first three lateral fingers and half of the ring finger.

true

The sacral plexus is composed of the ventral rami of L4, L5, S1, S2, S3, and S4

true

The sciatic nerve arises from the ventral rami L4, L5, S1, S2, and S3.

true

The sciatic nerve innervates a muscle that flexes the thigh and extends the leg.

true

The tibial nerve branches into the medial and lateral plantar nerves.

true

The ulnar nerve courses posterior to the medial epicondyle of the humerus.

true

The ulnar nerve innervates a muscle that adducts the carpus.

true

The ulnar nerve innervates muscles in the anterior forearm compartment

true

The ulnar nerve innervates the dorsal and palmar surfaces of the pinky and medial half of the ring finger.

true

There are a total of eight cervical spinal nerves.

true

Zygomaticus minor is innervated by CN VII.

true

Choose the nerve that innervates 1.5 muscles along the medial side in the anterior forearm.

ulnar nerve

Temporalis is innervated by CN VII.

false

Choose the nerve that innervates the muscles of the anterior leg compartment.

deep peroneal (fibular) nerve

The brachial plexus is composed of the ventral rami of C4, C5, C6, C7, and C8

false

The deep peroneal nerve innervates a muscle that plantar flexes the foot.

false

The femoral nerve innervates the muscles of the medial thigh compartment.

false

The femoral nerve is contained within the sacral plexus.

false

The heel of the foot is innervated by the superficial peroneal nerve.

false

The inferior gluteal nerve innervates Gluteus medius and Gluteus minimus

false

The median nerve innervates a muscle that extends the digits

false

The median nerve innervates the last 1.5 digits of each hand.

false

The musculocutaneous nerve innervates a muscle that flexes the carpus

false

The obturator nerve innervates a muscle that flexes the leg

false

The radial nerve innervates muscles of the posterior arm, but does not innervate muscles of any other compartment

false

The radial nerve innervates muscles of the shoulder and axillary region.

false

The radial nerve is the only nerve to course through the carpal tunnel.

false

The sacral plexus is composed of the ventral rami of L1, L2, L3, and L4.

false

The sciatic nerve innervates muscles found in the medial thigh compartment.

false

The superior gluteal nerve arises from the ventral rami L4, L5, S1, and S2

false

The tibial nerve arises from the ventral rami L3, L4, L5, and S1

false

The tibial nerve innervates a muscle that everts the foot.

false

The ventral rami convey both sensory and motor signals to the posterior trunk.

false

The ventral root of the spinal cord contains sensory axons only.

false

Choose the nerve that innervates the muscles of the anterior thigh compartment.

femoral nerve

Which of the following cranial nerves exit the cranial base through the internal acoustic meatus?

CN VII CN VIII

Which cranial nerve is responsible for sense of balance and equilibrium?

CN VIII

Which of the following cranial nerves exit the cranial base through the jugular foramen?

CN XI

Which of the following cranial nerves innervate the trapezius muscle?

CN XI

Which of the following cranial nerves innervate muscles of the tongue?

CN XII

How many nerves of the brachial plexus supply the majority of muscles and skin in the upper limb?

4

The musculocutaneous nerve is a continuation of which cord of the brachial plexus?

lateral cord

All of the following are cords formed by the ventral rami in the brachial plexus

lateral cord medial cord posterior cord

The ulnar nerve is a continuation of the _________ cord of the brachial plexus

medial

Choose the nerve that innervates the majority of the muscles found in the anterior forearm

median nerve

Choose the nerve that innervates the muscles of the anterior arm compartment

musculocutaneous nerve

Choose the nerve that innervates the muscles of the posterior arm compartment.

radial nerve

Choose the nerve that innervates the muscles of the posterior forearm.

radial nerve

Which nerve is derived from the posterior cord of the brachial plexus?

radial nerve

Choose the nerve that innervates the muscles of the posterior thigh.

sciatic nerve

Which of the following nerves exists as two nerves encased in a common epineurium?

sciatic nerve


Related study sets

11.1.1 Final Exam Pt 1: Multiple Choice

View Set

EAQ Quiz 3 Medication Administration

View Set

MedSurg Chapter 21 Respiratory Care Modalities

View Set

Real Interest Rate determination (Exam 3)

View Set

Environmental Science Exam Notes

View Set