Nokea
Proteins are composed of substances called
- A. lipids
- B. amino acids
- C. carbohydrates
- D. nucleotides
Correct Answer: B
Rationale: Proteins are polymers of amino acids, their fundamental building blocks.
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In the buccal cavity of human being, digestion of which one of the following get started?
- A. Protein
- B. Fat
- C. Carbohydrates
- D. Nucleic acids
Correct Answer: C
Rationale: The digestion of carbohydrates begins in the buccal cavity due to the action of salivary amylase, which breaks down starches into simpler sugars.
The intestine has a large surface area. Why?
- A. To make the passage of nutrients through the intestine faster
- B. To make the passage of nutrients through the intestine slower
- C. To make absorption of nutrients more efficient
- D. To make the absorption of nutrients slower
Correct Answer: C
Rationale: A large surface area, due to villi and microvilli, enhances nutrient absorption efficiency.
A client who has not been allowed to eat for several days is ordered to begin a full liquid diet. The nurse can encourage the client to begin eating using which of the following statements?
- A. Your stomach can expand as you eat'
- B. Your stomach has permanently shrunk'
- C. You don't need to eat yet'
- D. Liquids won't help your stomach'
Correct Answer: A
Rationale: The stomach's rugae allow it to expand with food intake, countering the client's concern.
The terminal portion of the small intestine is the:
- A. ileum
- B. cecum
- C. duodenum
- D. jejunum
Correct Answer: A
Rationale: The ileum is the final section of the small intestine, connecting to the large intestine.
The terminal portion of the small intestine is the:
- A. ileum
- B. cecum
- C. duodenum
- D. jejunum
Correct Answer: A
Rationale: The ileum is the final section of the small intestine, connecting to the large intestine.