Nokea
How many nephrons are found in each kidney?
- A. approximately one hundred
- B. approximately one thousand
- C. approximately one million
- D. approximately ten million
Correct Answer: C
Rationale: Each kidney contains about one million nephrons, the functional units for filtration.
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The absorption of fructose by intestinal mucosa is
- A. Co-transport mechanism
- B. Simple diffusion
- C. Facilitated transport
- D. Active transport
Correct Answer: C
Rationale: Fructose is absorbed via facilitated transport through GLUT5 transporters in the intestinal mucosa.
Secretion of enterogastrone would be stimulated by the presence of:
- A. protein in the small intestine
- B. protein in the stomach
- C. fat in the small intestine
- D. fat in the stomach
Correct Answer: C
Rationale: Enterogastrone secretion is triggered by fats in the small intestine to slow gastric emptying.
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.
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.
Match each term with the correct description: waste liquid containing water, salts, and wastes
- A. urethra
- B. urinary system
- C. bladder
- D. urine
Correct Answer: D
Rationale: Urine is the waste liquid containing water, salts, and metabolic wastes.