The negative feedback control of HCl secretion in the gastric phase of gastric regulation is mainly by ________ secretion.

A. increase in somatostatin
B. increase in gastrin
C. decline in gastrin
D. Both decrease in gastrin secretion and increase in somatostatin secretion are correct.


Answer: D

Anatomy & Physiology

You might also like to view...

A substance that activates plasminogen might be useful to

A) cause clots to form faster. B) cause clot dissolution to proceed faster. C) initiate clot formation. D) recruit platelets to the area. E) recruit neutrophils to an infection.

Anatomy & Physiology

A reduction in the secretion of ____ may serve as the trigger for the onset of puberty

a. inhibin b. melatonin c. adrenal androgens d. gonadotropin-releasing hormone e. pituitary gonadotropic hormones

Anatomy & Physiology

The ________ lacks blood vessels and must be nourished by materials diffusing from blood vessels in the ________.

A. hypodermis; dermis B. dermis; subcutaneous tissue C. epidermis; subcutaneous tissue D. epidermis; dermis

Anatomy & Physiology

Gametes have the ___ chromosome number, while a zygote has the ___ chromosome number

A) 2N...2N B) 2N...N C) N...N D) N...2N

Anatomy & Physiology