Question

1) Which cells provide a layer of protection between gastric acid and the mucosa of the...

1) Which cells provide a layer of protection between gastric acid and the mucosa of the stomach?

a)Chief cells b) parietal cells c)goblet cells d)islet cells

2) which phase of gastric secretion included the beginning of chemical (i.e enzyme) secretion?

a) cephalic b)gastric c)intestinal d) None of the above

3) The presence of food in the duodenum eventually ______ gastric activity.

a)increase b)decrease c)no effect d)is unknown

Homework Answers

Answer #1

Ans:-

1) c) goblet cell

It secret mucus which protect stomach from acid

Islet cell is a group of cell in PANCREASE.

Chief cell secret pepsinogen

Parietal cell --; acid secret

2) a) cephalic phase

3) b) decreses gastric activity

Good in PANCREASE stimulate release of CCK and SECRETIN which decrese acid secretion in stomach.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Which of the following is TRUE about gastric juice? a. it contains a transport protein to...
Which of the following is TRUE about gastric juice? a. it contains a transport protein to allow the stomach to absorb iron b. it protects the mucosa of the stomach and duodenum from damage c. it is necessary for the activation of gastric enzymes produced by chief cells d. it is produced by enteroendocrine cells using carbonic anhydrase
1.) The presence of fat in the duodenum will ____________ further gastric emptying. -Prevent -Stimulate 2.)...
1.) The presence of fat in the duodenum will ____________ further gastric emptying. -Prevent -Stimulate 2.) Which tissue layer provides the digestive tract with elasticity? -Mucosa -Serosa -Muscularis externa -Submucosa 3.) The presence of fat in the duodenum will ____________ further gastric emptying. -Prevent -Stimulate 4.) Class ___ MHC is produced by antigen-presenting cells. -IV -I -II -III 5.) Both B cells and T cells have antigen receptors on their plasma membrane. -true -false 6.) Which cells in the Innate...
There can be more than one correct answer! Thanks 30. Secondary active transport of Na+ and...
There can be more than one correct answer! Thanks 30. Secondary active transport of Na+ and H+ into absorptive cells both occur, co-transporting products of protein digestion with them. A. True B. False ---------------------- 31. Pancreatic lipase is first secreted by the pancreas in an inactive form, which then gets activated once it enters the lumen of the small intestine. A. True B. False ------------------------ 36. During the Cephalic and Gastric Phases of the control of stomach activity, by what...
16. Destruction of the ductal cells within the pancreas could result in which of the following?...
16. Destruction of the ductal cells within the pancreas could result in which of the following? a. Decreased bicarbonate released into the intestinal lumen b. Decreased secretin levels in the bloodstream c. Decreased zymogen release into the intestinal lumen 17. Which of the following is true regarding short reflexes? a. Short reflexes in the gut rely on the activities of the automatic nervous system b. The integrating center for shot reflexes is the enteric nervous system c. The myogenic reflex...
1) All the following describe insulin effects at the metabolic or cellular level, EXCEPT: A) Promotes...
1) All the following describe insulin effects at the metabolic or cellular level, EXCEPT: A) Promotes vascular dilation B) Transports glucose into muscles and liver C) Promote K uptake from the blood D) Helps sythesize glycogen 2) Which of the following statements is accurate related the mechanism of action for omeprazole? A) It induces the actions of Na+/K+ ion exchange at histamine receptor sites B) It ionizes gastric acids in the stomach lumen and raises it pH. C) It inhibits...
1. Which of the following descriptions is CORRECT? i. The sacral nerves supply the smooth muscle...
1. Which of the following descriptions is CORRECT? i. The sacral nerves supply the smooth muscle of the GI tract from the last 1/3rd of the transverse colon through the rectum ii. Between the two muscle layers of the muscularis externa, you can find the myenteric plexus iii. Pepsinogen will become its active form as pepsin in a neutral environment iv. The outermost layer (away from lumen) of jejunum is called serosa v. In the arterial supply for the GI...
This broad ligament stretches from the ovary to the utero-tubal junction a) mesometrium b) myometrium c)...
This broad ligament stretches from the ovary to the utero-tubal junction a) mesometrium b) myometrium c) perimetrium d) mesovarium e) mesosalpinx Which of the following statements concerning testicular descent is incorrect? (a)    Descent occurs in the fifth gestational month (b)    Inability of the testes to descend prevents the production of viable spermatozoa (c)    Inability of the testes to descend does not compromise testicular steroidogenesis (d)    A cryptorchid results from when one or both testes fail to descend (e)    Descent is from the abdominal cavity into...
1. Your resident is on NPO (nothing by mouth). You should: a) Provide a variety of...
1. Your resident is on NPO (nothing by mouth). You should: a) Provide a variety of fluids b) Offer fluids in small amounts c) Remove all liquids from the bedside d) Prevent the resident from having oral hygiene 2. Hemorrhage is: a) Infection b) Sepsis c) Severe blood loss d) Edema 3 3. A normal stoma should appear: c) Moist and deep pink in colour a) Dry and deep pink in colour b) Dry and purplish in colour d) Moist...
Q1. Which of the following is true? A. The lympathic system transports water-soluble vitamins amino acids...
Q1. Which of the following is true? A. The lympathic system transports water-soluble vitamins amino acids and monosaccharide from the small intestine to the liver. B. The hpetatic portal vein transports lipids from the small intestines to the liver C. The hepatic portal vein transports water-soluble vitamins, amino acids and monosaccharide from the small intestine to the liver Q2. Which of the following is true about the stomach? A. Small polypetptides are absorbed by endocytosis from the stomach B. It...
1) Cytotoxic T cells can attack target cells with which of these chemical weapons?   A) secrete...
1) Cytotoxic T cells can attack target cells with which of these chemical weapons?   A) secrete free radicals B) secrete organic solvenT C) secrete mutant proteins D) secrete a cytokine that triggers apoptosis 2) T cells and B cells can be activated only by A) pathogens. B) interleukins, interferons, and colony-stimulating factors. C) cells infected with viruses, bacteria, or cancer cells. D) exposure to a specific antigen at a specific site in a plasma membrane. 3) The purpose of circular...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT