CGRN Trivia 2

Question 1

In what year did Barry Marshall drink a Petri dish of H. pylori culture to prove it caused gastritis?

Accepted Answer

1984

Answer

In 1984, Marshall drank H. pylori to prove Koch's postulates, developing gastritis and curing himself with antibiotics.

Question 2

What is the origin of the term 'endoscopy'?

Accepted Answer

Greek: 'endon' (within) + 'skopein' (to look)

Answer

From Greek 'endon' (within) and 'skopein' (to look at/examine).

Question 3

Which organ produces approximately 1-1.5 liters of bile per day?

Accepted Answer

Liver

Answer

The liver produces 500-1,500 mL of bile daily. The gallbladder only stores and concentrates bile.

Question 4

What is the approximate total length of the adult human GI tract?

Accepted Answer

25-30 feet (7.5-9 meters)

Answer

The total GI tract is approximately 25-30 feet, with the small intestine comprising about 20 feet.

Question 5

The first successful endoscopic polypectomy using a wire snare was performed in what decade?

Accepted Answer

1970s

Answer

In 1971, Hiromi Shinya and William Wolff performed the first successful colonoscopic polypectomy at Beth Israel Medical Center.

CGRN - Certified Gastroenterology Registered Nurse Practice Test