Please answer all questions.

1			The area called the vermiform appendix apparently serves no digestive 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
21			The digestive system functions to provide cells with proper amounts of proteins, carbohydrate or fats.
			A)	True
			B)	False
22			The so-called wisdom teeth are actually the four last molars.
			A)	True
			B)	False
23			The pyloric sphincter acts to prevent food from leaving the small intestine.
			A)	True
			B)	False