Nokea
When suggesting menu options to a group of senior citizens, the nurse is careful to include which of the following choices that would enhance normal physiology and prevent the problem of constipation?
- A. Whole grains
- B. Highly spiced or flavored foods
- C. Limiting fluids
- D. Salads and fresh fruits
Correct Answer: A
Rationale: Whole grains increase fiber intake, promoting bowel regularity and preventing constipation.
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Which layer of GI tract forms the innermost lining and continuously secretes mucus?
- A. serosa
- B. muscularis externa
- C. muscularis mucosa
- D. mucosa
Correct Answer: D
Rationale: The mucosa is the innermost layer of the GI tract, lined with epithelial cells that secrete mucus to protect the tract and lubricate food passage.
Which of the following glands produces saliva?
- A. pancreas
- B. thyroid
- C. pituitary
- D. parotid
Correct Answer: D
Rationale: The parotid gland is one of the major salivary glands that produce saliva, which initiates starch digestion and lubricates food.
All enzymes involved in protein digestion are:
- A. secreted by the pancreas
- B. activated by HCl
- C. present in the stomach
- D. secreted in an inactive form
Correct Answer: D
Rationale: Protein-digesting enzymes like pepsinogen and trypsinogen are secreted in an inactive form and activated later.
What waste does the integumentary system remove from the body?
- A. liquid waste
- B. carbon dioxide
- C. salt and water
- D. urea
Correct Answer: C
Rationale: The integumentary system, via sweat glands, removes salt and water through perspiration.
Using the figure shown, indicate where on the abdomen the nurse should palpate to examine a client's liver for size and tenderness.
- A. Right upper quadrant
- B. Left upper quadrant
- C. Right lower quadrant
- D. Left lower quadrant
Correct Answer: A
Rationale: The liver is located primarily in the right upper quadrant of the abdomen.