CMI Biomedical Science & Human Anatomy 2

Question 1

Which layer of the epidermis contains keratinocytes undergoing mitosis?

Accepted Answer

Stratum basale

Answer

The stratum basale is the deepest epidermal layer where mitotic division of keratinocytes occurs to replenish cells lost from the surface.

Question 2

Which cranial nerve innervates the muscles of facial expression?

Accepted Answer

Facial nerve (CN VII)

Answer

The facial nerve (CN VII) provides motor innervation to the muscles of facial expression, including the orbicularis oculi and zygomaticus.

Question 3

In the nephron, where does the majority of glucose reabsorption occur?

Accepted Answer

Proximal convoluted tubule

Answer

Approximately 99% of filtered glucose is reabsorbed in the proximal convoluted tubule via sodium-glucose cotransporters (SGLT2).

Question 4

The acetabulum is a socket found in which bone of the pelvis?

Accepted Answer

Os coxae (hip bone)

Answer

The acetabulum is a cup-shaped socket formed by the fusion of the ilium, ischium, and pubis — together called the os coxae — that articulates with the femoral head.

Question 5

Which type of cartilage forms the intervertebral discs?

Accepted Answer

Fibrocartilage

Answer

Fibrocartilage, which contains dense collagen bundles, forms the annulus fibrosus of intervertebral discs, providing tensile strength and shock absorption.

(CMI) Certified Medical Illustrator Practice Test

(CMI) Certified Medical Illustrator Practice Test

CMI Biomedical Science & Human Anatomy 2