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Hole's Human Anatomy & Physiology, 9/e

David Shier, Washtenaw Community College
Ricki Lewis, The University at Albany
Jackie Butler, Grayson County Community College

Digestive System

True/False Quiz

Please answer all questions


1	The area called the vermiform appendix apparently serves no function in humans.
		A)	True
		B)	False


2	The descending colon usually lies on the left abdominal wall area.
		A)	True
		B)	False


3	The external anal sphincter is under voluntary control.
		A)	True
		B)	False


4	The Valsalva maneuver or defecation reflex, can aid defecation but could potentiate a heart attack.
		A)	True
		B)	False


5	The visceral peritoneum is a fibrous membrane, which wraps around the outer layer of the intestines.
		A)	True
		B)	False


6	The mucous cells of the salivary glands secrete amylase which facilitates digestion of starches.
		A)	True
		B)	False


7	Stensen's duct conveys saliva from the submandibular gland into the oral cavity.
		A)	True
		B)	False


8	During swallowing, the soft palate is moved upward and the epiglottis is tilted downward.
		A)	True
		B)	False


9	Gastric intrinsic factor is essential for the absorption of vitamin B12.
		A)	True
		B)	False


10	Emetics cause the vomiting center in the hypothalamus to propel food by contracting stomach muscles.
		A)	True
		B)	False


11	The enterogastric reflex normally inhibits the further contraction of the stomach as the duodenum fills.
		A)	True
		B)	False


12	Cystic fibrosis is an inherited disease that affects digestion as well as respiration.
		A)	True
		B)	False


13	The portal veins drain blood from the liver and convey it to the inferior vena cava.
		A)	True
		B)	False


14	The liver has the ability to convert carbohydrates into amino acids.
		A)	True
		B)	False


15	Hepatitis can be caused by viruses such as hepatitis A which can be transmitted by contaminated food.
		A)	True
		B)	False


16	Hepatitis is infection of the liver most commonly caused by hepatitis A viruses.
		A)	True
		B)	False


17	Hemolytic jaundice is a disease involving an excess production of erythrocytes.
		A)	True
		B)	False


18	Without a gallbladder, a person will develop vitamin and lipid deficiencies because of the lack of bile.
		A)	True
		B)	False


19	In the condition of lactose intolerance, the person develops problems because of the rapid digestion of lactose.
		A)	True
		B)	False


20	Chylomicrons are lipoprotein aggregates that are absorbed into the intestinal villi.
		A)	True
		B)	False

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