GCU WITH VERRIFIED ANSWERS
Which of the following is least involved in the mechanical breakdown of food, digestion
or absorption of nutrients?
- large intestine
- the oral cavity
- the esophagus
- the small intestine - VERRIFIED ANSWERS-the esophagus
Which of the following is the best explanation of the benefit in the digestive system
having the largest collection of lymphoid tissue (MALT) at the distal end of the small
intestine?
- The digestive systems first and foremost job is to digest and absorb nutrients so it puts
off immunity for last.
- The huge numbers of bacteria living in the large intestine must be prevented from
entering the lumen of the small intestine and being absorbed with food's nutrients into
the blood stream.
- The body will actively excrete pathogens out the body, into the digestive system to be
removed from the body in feces.
- The alkaline secretion of the small intestine aid in the growth of bacteria and must be
controlled. - VERRIFIED ANSWERS-The huge numbers of bacteria living in the large
intestine must be prevented from entering the lumen of the small intestine and being
absorbed with food's nutrients into the blood stream.
, Bile salts bind at their hydrophobic regions to large fat globules within the chyme that
enters the duodenum. Bile salts break up the fat globule into smaller fat droplets. This
role of bile salts is best described as ________.
- lipid digestion
- lipid absorption
- lipid emulsification
- lipid ingestion - VERRIFIED ANSWERS-lipid emulsification
A doctor consulting a patient that recently has had their gall bladder removed would
likely advise ________.
- a low to no carb diet
- fewer, but larger meals
- eating foods that are low in fat
- increasing unsaturated fats while eliminating trans fats in their diets - VERRIFIED
ANSWERS-eating foods that are low in fat
Dentin anchors the tooth in place.
- True
- False - VERRIFIED ANSWERS-False
All of the following are true of swallowing (deglutition) except one. Select the statement
that is not true of swallowing.
- The mouth, pharynx and esophagus all take part in swallowing.
- The voluntary phase of swallowing takes place within the mouth.
- The epiglottis assists in propelling food into the trachea.
- The involuntary portion of swallowing takes place in the pharynx. - VERRIFIED
ANSWERS-The epiglottis assists in propelling food into the trachea.
The pancreas has both an endocrine and an exocrine function.
- True
- False - VERRIFIED ANSWERS-True
Generally the hormones secretin and cholecystokinin which are released by duodenal
enteroendocrine cells will ________.
- speed the churning of the stomach
- increases the output of stomach acid
- slow the activities of the stomach
- speed the activity of the jejunum - VERRIFIED ANSWERS-slow the activities of the
stomach
The function of the hepatic portal circulation is to ________.
- carry toxins to the kidney for disposal through the urinary tract
- collect absorbed nutrients for metabolic processing in the liver
- increase my sympathetic response because I forgot to study it