NCBTMB Anatomy and Kinesiology 5

Question 1

Which muscle is responsible for retracting (adducting) the scapula?

Accepted Answer

Rhomboids

Answer

The rhomboid major and minor retract (adduct) the scapula toward the vertebral column and are innervated by the dorsal scapular nerve.

Question 2

In anatomical position, the radius is located on which side of the forearm?

Accepted Answer

Lateral (thumb) side

Answer

In anatomical position (palms forward), the radius is the lateral forearm bone on the thumb side, and the ulna is medial.

Question 3

What is the primary function of the transverse abdominis muscle?

Accepted Answer

Spinal stabilization by increasing intra-abdominal pressure

Answer

The transversus abdominis acts as a corset muscle, contracting to increase intra-abdominal pressure and stabilize the lumbar spine before limb movement.

Question 4

The Achilles tendon is the combined tendon of which two muscles?

Accepted Answer

Gastrocnemius and soleus

Answer

The Achilles (calcaneal) tendon is the combined insertion of the gastrocnemius and soleus muscles into the posterior calcaneus.

Question 5

Which cranial nerve is responsible for the motor innervation of most facial expression muscles?

Accepted Answer

Cranial nerve VII (Facial)

Answer

Cranial nerve VII (facial nerve) provides motor innervation to the muscles of facial expression, while CN V provides sensory innervation to the face.

NCBTMB Exam Practice Test

NCBTMB Exam Practice Test

NCBTMB Anatomy and Kinesiology 5