Author Question: A client has a newly placed percutaneous endoscopic gastrostomy tube. When checking the gastric pH, ... (Read 125 times)

jessicacav · **on:** Jul 23, 2018

A client has a newly placed percutaneous endoscopic gastrostomy tube. When checking the gastric pH, the nurse expects to find a pH of:

1. 5.07.30.
2. 3.55.0.
3. 1.53.5.
4. 7.357.45.

Question 2

The nurse, instructing a client prior to gastric bypass surgery, explains that chyme cannot pass into the small intestine until it is ______ mm in size. Standard Text: Record your answer rounding to the nearest whole number.

What will be an ideal response?

Carissamariew · **Reply #1 on:** Jul 23, 2018

Answer to Question 1

Correct Answer: 3
Rationale 1: A pH of 3.55.0 is uncommon for gastric acid.
Rationale 2: A pH of 3.55.0 is uncommon for gastric acid.
Rationale 3: The gastric juice is the most acidic fluid in the body, with a pH of 1.53.5.
Rationale 4: Blood typically has a pH of 7.357.45.
Global Rationale: The combined secretion of the chief and parietal cells, known as gastric juice, is the most acidic fluid in the body, having a pH of 1.5 to 3.5.

Answer to Question 2

Correct Answer: 2
Rationale: The pyloric sphincter regulates the flow of substances leaving the stomach. Chyme moves in spurts through the sphincter into the small intestine. Large pieces of food are refluxed back into the body of the stomach, where they are reduced in size to about 2 mm so that they may pass through the sphincter.
Global Rationale: The pyloric sphincter regulates the flow of substances leaving the stomach. Chyme moves in spurts through the sphincter into the small intestine. Large pieces of food are refluxed back into the body of the stomach, where they are reduced in size to about 2 mm so that they may pass through the sphincter.