AP Lab #8

A pasty mass of crushed and chewed food is called a ________.

Bolus

The cartilaginous structure that closes over the glottis while swallowing to prevent food from entering the trachea is called the ___________.

Epiglottis

During what phase of swallowing does the bolus move toward the stomach by peristalsis

Esophageal phase

The sphincter that opens to allow the bolus to enter the stomach is called the ___________ sphincter.

Lower esophageal

Initial carbohydrate digestion begins in what region of the digestive system?

Oral cavity

The intestinal mucosal brush border enzymes lactase, maltase, and sucrase break down more complex sugar molecules into

Monosaccharides

Initial lipid digestion begins in what region of the digestive system?

Oral cavity

What substances are used to digest lipids in the small intestine?

Bile salts and pancreatic lipase

Protein digestion begins in what region of the digestive system?

Stomach

Which organic molecules are digested by pepsin, trypsin, and chymotrypsin?

Proteins

Which of the following wouldn’t normally cause an ulcer?

• excessive ibuprofen use

• infection with an ulcer-causing bacterium

• excessive bicarbonate use

• excessive aspirin use

excessive bicarbonate use

Most peptic ulcers are caused by the bacterium, ________________.

Helicobacter Pylori

Which of the following in NOT a treatment option to remediate various peptic ulcers?

• proton pump inhibitors

• anti-HCL antibodies

• antibiotics

• limiting NSAIDs

anti-HCL antibodies

 

quadrate lobe of the liver

Uvula

Stomach

Spleen

Soft palate

Rugae

Teeth

Right lobe of liver

Tongue

Pylorus

Pyloric sphincter

Pancreas

Right lobe of the liver

Left lobe of liver

Fundus

Labia

Greater omentum

Hard palate

Gallbladder

Cardia

Esophagus

Duodenum

Duodenum

Body