CET Anatomy, Physiology & Medical Terminology 3

Question 1

What is the primary function of the ileocecal valve?

Accepted Answer

Prevent backflow from the colon into the small intestine

Answer

The ileocecal valve prevents retrograde movement of colonic contents into the ileum, protecting the small intestine from bacterial contamination.

Question 2

The medical suffix '-scopy' means:

Accepted Answer

Visual examination

Answer

The suffix '-scopy' means visual examination or inspection, as in colonoscopy (visual examination of the colon).

Question 3

Which cells in the stomach lining secrete hydrochloric acid?

Accepted Answer

Parietal cells

Answer

Parietal (oxyntic) cells in the gastric mucosa secrete hydrochloric acid and intrinsic factor.

Question 4

What is 'peristalsis'?

Accepted Answer

Rhythmic wave-like muscular contractions that propel food through the GI tract

Answer

Peristalsis is coordinated, rhythmic smooth muscle contractions that move food and waste through the digestive tract.

Question 5

The term 'melena' describes stool that is:

Accepted Answer

Black, tarry, and foul-smelling

Answer

Melena refers to black, tarry stools caused by digested blood, typically indicating upper GI bleeding.

(CET) Certified Endoscopy Technician Practice Test