Nokea
What percentage of an adult's body weight consists of water?
- A. 10% to 20%
- B. 30% to 40%
- C. 50% to 60%
- D. 70% to 80%
Correct Answer: C
Rationale: The percentage of water declines to 50% to 60% in adults.
You may also like to solve these questions
The lactating mother is counseled by the nurse to eat adequate amounts of meat and legumes. What level will this help to increase?
- A. Potassium
- B. Chloride
- C. Magnesium
- D. Phosphorus
Correct Answer: D
Rationale: Phosphorus should be increased during pregnancy and lactation.
The nurse encourages a patient who has been vomiting to drink fluids because the body fluid lost daily must match the amount of fluid taken in to maintain homeostasis. What is the recommended daily amount of fluid for an adult?
- A. 1000 mL
- B. 1500 mL
- C. 2050 mL
- D. 2500 mL
Correct Answer: D
Rationale: Daily fluid intake and output is about 2200 to 2700 mL/day, and urinary output is about 1000 to 2000 mL/day.
What should the nurse expect when assessing a patient with respiratory alkalosis?
- A. Slow respirations
- B. Muscle weakness
- C. Strong even heart rate
- D. Flushed face
Correct Answer: B
Rationale: Tetany and muscle weakness, tachypnea, and cardiac arrhythmias are symptomatic of respiratory alkalosis.
The nurse is educating a patient regarding the need to avoid foods high in potassium. What food choices led the nurse to conclude that teaching was not effective?
- A. Apples and green beans
- B. Kiwis and onions
- C. Apricots and asparagus
- D. Grapes and lima beans
Correct Answer: C
Rationale: Apricots and asparagus are potassium-rich.
When administering intravenous (IV) fluids the nurse ensures that the IV fluids are infusing as ordered to prevent dehydration in an adult. When could dehydration become lethal?
- A. If the patient loses 5% of body fluid
- B. If the patient loses 10% of body fluid
- C. If the patient loses 15% of body fluid
- D. If the patient loses 20% of body fluid
Correct Answer: D
Rationale: A loss of 20% of body fluid in an adult is fatal.