Nokea
What are the three buffer systems of the body?
- A. Bicarbonate/carbonic acid system
- B. Respiratory system
- C. Renal system
- D. GI system
- E. Integumentary system
Correct Answer: A,B,C
Rationale: The bicarbonate/carbonic acid system, the respiratory system, and the renal system are the buffer systems of the body.
You may also like to solve these questions
A patient began vomiting and continued to do so for several hours. What is the result of this loss of stomach contents?
- A. Metabolic acidosis
- B. Metabolic alkalosis
- C. Respiratory acidosis
- D. Respiratory alkalosis
Correct Answer: B
Rationale: The most common cause of metabolic alkalosis is vomiting gastric contents.
Sodium is the most abundant electrolyte in the body. The location of electrolytes is important for maintaining homeostasis. Sodium is the major electrolyte in which fluid compartment?
- A. Intracellular
- B. Intravascular
- C. Extracellular
- D. Interstitial
Correct Answer: C
Rationale: Sodium is the major extracellular electrolyte.
The nurse explains that a normal adult will lose approximately 350 mL of water through respiration in the course of a(n) __.
Correct Answer: day
Rationale: Adults lose about 350 mL of water daily through respiration.
The nurse modifies the care plan for the immobilized patient after assessing a calcium level of 6.2 mEq/L. What nursing assessment should the nurse include when modifying this care plan?
- A. Osteoporosis
- B. Tooth loss
- C. Renal calculi
- D. Contractures
Correct Answer: C
Rationale: Hypercalcemia occurs when calcium levels exceed 5.8 mEq/L. It may occur when calcium stored in the bone enters the circulation for example, in patients who are immobilized. Renal calculi may develop because of high levels of calcium.
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.