Quiz 5- Health Challenges To The Gastrointestinal System

Question 1

The gastrointestinal tract performs all of the following processes except:

mechanical breakdown of food particles
micturition
absorption of digested food.
chemical breakdown of food particles

Answer 1

micturition

Question 2

Which sphincter keeps stomach acid from regurgitating into the oesophagus?

upper oesophageal
pyloric
gastric
lower oesophageal

Answer 2

lower oesophageal

Question 3

Food moves down the oesophagus via:

haustral segmentation
retropulsion
peristalsis
defecation

Answer 3

peristalsis

Question 4

Salivary amylase (ptyalin) initiates the digestion of:

fats
carbohydrates
proteins
amino acids

Answer 4

carbohydrates

Question 5

A 70-year-old male presents complaining of frequent gastrointestinal problems. His GP explains that during ageing GI changes, such as _____, occur.

decreased gallbladder function
increased pancreas size
decreased gastric juice secretion
increased liver size

Answer 5

decreased gastric juice secretion

Question 6

Which of the gastrointestinal cancers has the highest rate of incidence and is responsible for the highest number of deaths?

pancreatic
colorectal
stomach
oesophageal

Answer 6

colorectal

Question 7

A 40-year-old male who consumes a diet high in fat and low in fibre is at risk for:

cancer of the colon and rectum
cancer of the liver and biliary ducts
cancer of the stomach
cancer of the small intestine

Answer 7

cancer of the colon and rectum

Question 8

Which modifiable risk factor is associated with oesophageal, stomach and colorectal cancer?

Helicobacter pylori infection
ionising radiation exposure
obesity and sedentary lifestyle
cigarette and alcohol use

Answer 8

cigarette and alcohol use

Question 9

A 60-year-old male is diagnosed with cancer of the oesophagus. Which of the following factors most likely contributed to his disease?

aflatoxin from moldy peanuts
reflux oesophagitis
intestinal parasites and polyps
nitrates and salty foods

Answer 9

reflux oesophagitis

Question 10

A 16-year-old female presents with abdominal pain in the right lower quadrant. Physical examination reveals rebound tenderness and a low-grade fever. A possible diagnosis would be:

appendicitis
pancreatitis
ascites
colon cancer

Answer 10

appendicitis