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Set 28 The Cephalicoraland Esophageal Phases Of The Integrated Response To A Meal

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Question 1

(Multiple Choice)

Free
When a person is chewing food,the concentration of ions in saliva changes with:

A)A decrease in Na+,Cl-,and HCO3-.
B)A decrease in Na+ and Cl- and an increase in HCO3-.
C)A decrease in K+ and Na+.
D)An increase in Na+,Cl-,and HCO3-.
E)A decrease in K+ and HCO3-.

Answer

Question 2

(Multiple Choice)

Free
A 50-year-old man complains to his primary care physician about a chronic burning sensation in his chest.The pain is worse when he lies down at night after a large meal,and it can be alleviated to some degree by the use of over-the-counter antacids.The pain experienced by the patient is probably caused by dysfunction of which of the following gastrointestinal structures?

A)Lower esophageal sphincter
B)Pylorus
C)Salivary glands
D)Pancreas
E)Gallbladder

Answer

Question 3

(Multiple Choice)

Free
In an experimental study,a researcher transects cranial nerve IX in a dog.In comparison with an animal with an intact cranial nerve IX,which of the following responses to the sight and smell of a meal will be reduced?

A)Pancreatic enzyme secretion
B)Relaxation of the sphincter of Oddi
C)Gastric acid secretion
D)Gastric relaxation
E)Salivation

Answer