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11) Mucin in saliva functions to A) remove food particles from

Question : 11) Mucin in saliva functions to A) remove food particles from : 1403009

 

 

11) Mucin in saliva functions to

A) remove food particles from teeth

B) lower the pH of the saliva

C) raise the pH of the saliva

D) aid in food particles sticking together

E) partially digest carbohydrates in the mouth

 

12) Once a bolus of food has been formed in the mouth, it is passed by the tongue and jaws to the

A) esophagus

B) stomach

C) pharynx

D) nasal passageway

E) small intestine

13) Which one of the following components of saliva has antibacterial properties?

A) sodium bicarbonate

B) amylase

C) mucin

D) HCl

E) lysozyme

 

14) Gastric juice in the stomach is composed of

A) HCL, fluids secreted from gastric glands, pepsinogen

B) chyme, HCL, mucus

C) HCL, secretin, saliva

D) pepsinogen, secretin, serosa

E) fluids from gastric glands only

 

15) Which one of the following might result if the lower esophageal sphincter malfunctions?

A) gastric ulcer

B) duodenal ulcer

C) gluten intolerance

D) acid reflux

E) stomach cancer

 

16) "Gurgling of the stomach" is due to

A) peristaltic contractions

B) the secretion of acids

C) the action of gastrin on the cells of the stomach

D) the production of chyme

E) the closing of the pyloric sphincter

 

17) The watery mixture of partially digested food produced in the stomach is called

A) bolus

B) chyme

C) segmentation

D) dentin

E) mucin

18) Pepsin is a digestive enzyme that specifically targets

A) fatty acids

B) steroids

C) starch

D) glycogen

E) protein

 

19) The digestion of fats, proteins, and carbohydrates is completed in the

A) stomach

B) small intestine

C) liver

D) pancreas

E) large intestine

 

20) The end products of the digestion of proteins, fats, and carbohydrates are absorbed in the

A) stomach

B) small intestine

C) liver

D) pancreas

E) large intestine

 

 

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