ATI RN
ATI Fluid Electrolyte and Acid-Base Regulation
1. A nurse in the neurologic ICU has orders to infuse a hypertonic solution into a patient with increased intracranial pressure. This solution will increase the number of dissolved particles in the patients blood, creating pressure for fluids in the tissues to shift into the capillaries and increase the blood volume. This process is best described as which of the following?
- A. Hydrostatic pressure
- B. Osmosis and osmolality
- C. Diffusion
- D. Active transport
Correct answer: B
Rationale:
2. The nurse is providing care for a patient with chronic obstructive pulmonary disease. When describing the process of respiration the nurse explains how oxygen and carbon dioxide are exchanged between the pulmonary capillaries and the alveoli. The nurse is describing what process?
- A. Diffusion
- B. Osmosis
- C. Active transport
- D. Filtration
Correct answer: A
Rationale:
3. . A nurse assesses a client with diabetes mellitus who is admitted with an acid-base imbalance. The clients arterial blood gas values are pH 7.36, PaO2 98 mm Hg, PaCO2 33 mm Hg, and HCO3 18 mEq/L. Which manifestation should the nurse identify as an exam
- A. Increased rate and depth of respirations
- B. ncreased urinary output
- C. Increased thirst and hunger
- D. ncreased release of acids from the kidneys
Correct answer: A
Rationale:
4. How would a decrease in blood protein concentration impact the fluid volumes?
- A. increase interstitial fluid volume.
- B. decrease blood plasma volume.
- C. decrease interstitial fluid volume.
- D. increase interstitial fluid volume and decrease blood plasma volume.
Correct answer: D
Rationale: A decrease in blood protein concentration would lead to a reduction in osmotic pressure, which is responsible for drawing fluid back into the capillaries. This decrease in osmotic pressure would result in an increase in interstitial fluid volume as fluid moves out of the capillaries, and a decrease in blood plasma volume as less fluid is drawn back into the circulation. Therefore, the correct answer is to increase interstitial fluid volume and decrease blood plasma volume. Choices A, B, and C are incorrect because they do not reflect the impact of decreased blood protein concentration on fluid volumes.
5. A nurse educator is reviewing peripheral IV insertion with a group of novice nurses. How should these nurses be encouraged to deal with excess hair at the intended site?
- A. Leave the hair intact
- B. Shave the area.
- C. Clip the hair in the area.
- D. Remove the hair with a depilatory.
Correct answer: C
Rationale:
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