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Upper Limb Anatomy and Nerve Functions

Upper Limb Anatomy and Nerve Functions

Assessment

Interactive Video

•

Biology, Science, Physical Ed

•

11th - 12th Grade

•

Practice Problem

•

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial provides a comprehensive overview of the anatomy of the upper limb, focusing on the arm and forearm. It covers the brachial plexus, intertubercular groove, surgical neck, and extensor compartment, along with nerve identification and potential injuries. The tutorial also includes muscle identification, highlighting the trapezius, deltoid, biceps, and triceps muscles. The video serves as a revision tool and self-assessment resource, allowing viewers to pause and reflect on the material presented.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the axillary artery in the upper limb?

To supply blood to the heart

To supply blood to the brain

To supply blood to the upper limb

To supply blood to the lower limb

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which nerve is a branch of the lateral cord of the brachial plexus?

Axillary nerve

Ulnar nerve

Radial nerve

Musculocutaneous nerve

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What structure is located in the intertubercular groove of the humerus?

Tendon of the long head of the biceps

Tendon of the pectoralis major

Tendon of the triceps

Tendon of the deltoid

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which muscle is associated with the surgical neck of the humerus?

Trapezius muscle

Pectoralis major

Latissimus dorsi

Deltoid muscle

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary action of the extensor digiti minimi muscle?

Flexion of the little finger

Extension of the little finger

Abduction of the little finger

Adduction of the little finger

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which nerve supplies the extensor digiti minimi muscle?

Radial nerve

Ulnar nerve

Axillary nerve

Median nerve

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the consequence of an injury to the radial nerve?

Wrist drop

Loss of sensation in the thumb

Loss of sensation in the little finger

Inability to flex the elbow

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