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.
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A digestive enzyme, salivary amylase in the saliva begins digestion of-
- A. Starch
- B. Fiber
- C. Proteins
- D. Fats
Correct Answer: A
Rationale: Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin. Thus, digestion of food occurs within the mouth, even before the food reaches the stomach.
How is food processed to distribute nutrients to the body's cells?
- A. Ingested, digested, absorbed, assimilated
- B. Absorbed directly from the mouth
- C. Excreted immediately
- D. Stored in the stomach indefinitely
Correct Answer: A
Rationale: Food is ingested (taken in), digested (broken down), absorbed (taken into blood), and assimilated (distributed to cells).
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.
In gut, serosa is outer most layer and made up of
- A. Endothelium
- B. Smooth muscles
- C. Mesothelium
- D. Dense connective tissue
Correct Answer: C
Rationale: The serosa, the outermost layer of the gut, is made of mesothelium and connective tissue.
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.