Nokea
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.
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A carbohydrate splitting enzyme is secreted by -
- A. Liver
- B. Zymogen cells of gastric glands
- C. Spleen
- D. Crypts of Lieberkuhn
Correct Answer: D
Rationale: Crypts of Lieberkuhn secrete enzymes like maltase that split carbohydrates.
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.
Which structure helps to prevent a bolus of food from entering the trachea during deglutition (swallowing)?
- A. collagen
- B. cardiac sphincter
- C. larynx
- D. epiglottis
Correct Answer: D
Rationale: The epiglottis is a flap of cartilage that covers the trachea during swallowing, preventing food from entering the airway.
Which process involves the use of nutrients inside cells?
- A. absorption
- B. assimilation
- C. digestion
- D. ingestion
Correct Answer: B
Rationale: Assimilation involves the incorporation of absorbed nutrients into the cells for energy production or synthesis of new compounds.