Gastric Secretion Quiz

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Questions and Answers

What is the direct effect of somatostatin on gastric parietal cells?

Stimulates hydrochloric acid secretion

Inhibits histamine secretion (correct)

Increases intrinsic factor secretion

Decreases pepsinogen secretion (correct)

Which mechanism primarily contributes to sodium ion transport in cells?

By co-transport with glucose

Through Na+ pump (correct)

Through K+ channels

By diffusion across the membrane

What is a likely outcome if somatostatin levels are elevated in the stomach?

Increased conversion of pepsinogen to pepsin

Increased secretion of intrinsic factor

Increased production of hydrochloric acid

Decreased secretion of histamine and pepsinogen (correct)

What role does K+ play in cellular functions?

Involved in action potentials in neurons Signup and view all the answers

How does somatostatin influence the digestive process?

Reduces secretion of digestive hormones Signup and view all the answers

What effect does excessive alcohol consumption have on health?

Increases the risk of liver disease Signup and view all the answers

What happens to the pH of systemic blood during the secretion of hydrochloric acid?

It decreases Signup and view all the answers

Which type of food is most beneficial for improving digestive health?

Foods rich in fiber Signup and view all the answers

Which vitamin-rich foods should be prioritized in a balanced diet?

Fruits and vegetables Signup and view all the answers

Which nutrient is essential for building and repairing tissues?

Protein Signup and view all the answers

What do parietal cells secrete along with hydrochloric acid?

Intrinsic factor Signup and view all the answers

Which hormone is NOT involved in inhibiting stomach secretion?

Insulin Signup and view all the answers

Which of the following substances is secreted by parietal cells?

Intrinsic factor Signup and view all the answers

What effect do gastric inhibitory peptide (GIP) and vasoactive intestinal peptide (VIP) have on gastric activity?

Inhibit gastric secretion Signup and view all the answers

Which component is primarily responsible for protecting the gastric lining?

Mucus Signup and view all the answers

Which factor contributes to the deterioration of the gastric mucosal barrier?

Excessive alcohol consumption Signup and view all the answers

Identifying factors that harm the gastric mucosal barrier, which of the following is NOT a contributing factor?

Diet heavy in proteins Signup and view all the answers

Which option is a risk factor for deteriorating the stomach's mucosal barrier?

Heavy intake of alcohol Signup and view all the answers

What happens to the acidity of urine when the body is in a state of acidosis?

Urine becomes more acidic Signup and view all the answers

What negatively affects the integrity of the gastric mucosal barrier the most?

Overconsumption of alcohol Signup and view all the answers

Which factor is least likely to influence urine pH?

Physical exercise intensity Signup and view all the answers

Which of the following dietary habits is least likely to weaken the gastric mucosal barrier?

Drinking alcohol in moderation Signup and view all the answers

Which substance is primarily responsible for the acidity in urine?

Uric acid Signup and view all the answers

Which physiological condition is most likely to result in increased urine acidity?

Metabolic acidosis Signup and view all the answers

What effect does a diet high in fruits and vegetables have on urine pH?

Decreases urine acidity Signup and view all the answers

What happens to blood pH following the secretion of hydrochloric acid?

Blood pH decreases while urine becomes acidic Signup and view all the answers

After hydrochloric acid is secreted, which of the following indicates a change in urine pH?

Urine becomes acidic Signup and view all the answers

Which of the following statements correctly describes changes in blood and urine pH after hydrochloric acid is released?

Blood pH decreases while urine pH decreases Signup and view all the answers

What is the effect of hydrochloric acid secretion on blood pH specifically?

Blood pH lowers significantly Signup and view all the answers

Which option correctly describes both blood and urine pH after hydrochloric acid secretion?

Blood pH is decreased and urine is acidic Signup and view all the answers

Study Notes

Multiple Choice Questions on Gastric Secretion

Question 1: What do parietal cells secrete with hydrochloric acid?
- Intrinsic factor
Question 2: Which hormones inhibit gastric secretion?
- Secretin, CCK, VIP, and GIP
Question 3: What is the effect of somatostatin hormone?
- Inhibits histamine secretion
Question 4: What are the causes of gastric ulcers?
- Excessive alcohol consumption
Question 5: What happens during hydrochloric acid secretion?
- Blood pH decreases

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Description

Test your knowledge on gastric secretion with these multiple-choice questions. From the roles of parietal cells to the effects of hormones like somatostatin, this quiz covers essential concepts in gastric physiology. Ideal for students studying human biology or gastroenterology.