NCBTMB Applied Science and Anatomy 3

Question 1

Which of the following best describes the periosteum?

Accepted Answer

The fibrous membrane covering the outer surface of bone

Answer

The periosteum is a dense fibrous connective tissue membrane that covers the outer surface of bones except at articular surfaces.

Question 2

What is the role of osteoclasts in bone remodeling?

Accepted Answer

Resorb and break down bone tissue

Answer

Osteoclasts are large multinucleated cells that secrete acids and enzymes to resorb bone matrix during remodeling and repair.

Question 3

Which nerve is responsible for dorsiflexion of the foot and may be compressed at the fibular head?

Accepted Answer

Common peroneal nerve

Answer

The common peroneal (fibular) nerve wraps around the neck of the fibula and innervates muscles that dorsiflex and evert the foot.

Question 4

The anatomical term 'supine' describes which body position?

Accepted Answer

Lying face up

Answer

Supine means lying on the back with the face upward, which is the opposite of the prone position.

Question 5

Which muscle group is primarily responsible for spinal extension and is targeted during deep tissue work to the back?

Accepted Answer

Erector spinae group

Answer

The erector spinae group (iliocostalis, longissimus, spinalis) runs parallel to the spine and is the primary extensor of the vertebral column.

NCBTMB Exam Practice Test