NCBTMB Applied Science and Anatomy 4

Question 1

The rotator cuff consists of four muscles; which one is responsible for internal rotation of the humerus?

Accepted Answer

Subscapularis

Answer

The subscapularis originates on the anterior scapula and is the only rotator cuff muscle that internally rotates the humerus.

Question 2

Which anatomical plane divides the body into superior and inferior portions?

Accepted Answer

Transverse (horizontal) plane

Answer

The transverse (horizontal) plane divides the body into upper (superior) and lower (inferior) sections.

Question 3

Which type of connective tissue forms tendons and ligaments?

Accepted Answer

Dense regular connective tissue

Answer

Dense regular connective tissue has collagen fibers arranged in parallel bundles, giving tendons and ligaments great tensile strength in one direction.

Question 4

What is the scientific term for the 'knee cap'?

Accepted Answer

Patella

Answer

The patella is a sesamoid bone embedded in the quadriceps tendon that protects the knee joint and improves mechanical advantage.

Question 5

Which cranial nerve is responsible for the sensation of touch on the face?

Accepted Answer

Trigeminal nerve (CN V)

Answer

The trigeminal nerve (CN V) provides sensory innervation to the face through its ophthalmic, maxillary, and mandibular branches.

NCBTMB Exam Practice Test

NCBTMB Exam Practice Test

NCBTMB Applied Science and Anatomy 4