Anatomy 2: Quiz 6 Review

An enzyme found within saliva is salivary... A. Nuclease B. Protease C. Pepsin D. Amylase

Amylase

Which of the following is the correct sequence of regions of the small intestine, from beginning to end? A. Ileum - jejunum - duodenum B. Ileum - duodenum - jejunum C. Duodenum - ileum - jejunum D. Duodenum - jejunum - ileum

Duodenum - jejunum - ileum

The process by which bile breaks up large fat droplets into smaller ones is called ___ A. Emulsification B. Absorption C. Elimination D. None of the above

Emulsification

The ___ brings the food particles to the stomach. A. Pharynx B. Esophagus C. Larynx D. Salivary amylase

Esophagus

True or false Carbohydrate digestion begins in the stomach.

False

True or false Salivary amylase is activated once it enters the acidic environment of the stomach.

False

True or false The cystic duct and common bile duct unite to form the common hepatic duct.

False

Villi... A. Increase surface area in the small intestine B. Are found throughout the GI tract C. Contain both smooth and skeletal muscle fibers D. All of the above

Increase surface area in the small intestine

Lactose intolerant individuals cannot digest lactose because they lack the enzyme ___ A. Protease B. Amylase C. Lactase D. None of the above

Lactase

During the process of carbohydrate digestion... A. High pH in stomach inactivates enzyme amylase, causing digestion to slow B. Low pH in stomach inactivates enzyme amylase, causing digestion to slow C. Low pH in stomach activates enzyme amylase, causing digestion to speed D. High pH in stomach activates enzyme amylase, causing digestion to speed

Low pH in stomach inactivates enzyme amylase, causing digestion to slow

Which is not a function of the digestive system? A. Ingestion B. Absorption C. Micturition D. Elimination

Micturition

The initial site of both mechanical and chemical digestion is the... A. Oral Cavity B. Pharynx C. Small intestine D. Stomach

Oral Cavity

The initial site of both mechanical and chemical digestion is the... A. Pharynx B. Oral Cavity C. Esophagus D. Stomach

Oral Cavity

Digestion of carbohydrates in the small intestine involves digestive enzymes that come from the... A. Mouth B. Pancreas C. Lining of small intestine D. Stomach

Pancreas

The accessory organs of the lower GI tract include the liver, gallbladder, and _________. A. Pancreas B. Cecum C. Stomach D. Duodenum

Pancreas

The three salivary glands are ________, _______, and ________ A. Parotid, Submandibular, and Sublingual glands B. The Adrenals C. Pituitary, Parotid, and Sublingual glands D. None of the above

Parotid, Submandibular, and Sublingual glands

Digestion of proteins is initiated by the enzyme... A. Amylase B. Hydrochloric acid C. Pepsin D. Aminopeptidase

Pepsin

The ___ in the stomach help to mix the food and allow the stomach to expand. A. Proteins B. Villi C. Rugae D. All of the above

Rugae

Amylase from saliva digests... A. Protein B. Starch C. Lipids

Starch

Protein digestion begins in the... A. Stomach B. Mouth C. Large Intestine D. Small Intestine

Stomach

True or false Lipids are not soluble in water.

True

What is the primary function of the large intestine? A. Water & electrolyte absorption B. Protein digestion and nutrient absorption C. Storage of vitamins & minerals D. Secretion of water, salts, sodium bicarbonate, and enzymes

Water & electrolyte absorption