Nokea
The cyanosis that accompanies bacterial pneumonia is primarily caused by which of the following?
- A. Decreased cardiac output.
- B. Pleural effusion.
- C. Inadequate peripheral circulation.
- D. Decreased oxygenation of the blood.
Correct Answer: D
Rationale: Cyanosis in pneumonia results from decreased blood oxygenation due to impaired gas exchange in the lungs. Cardiac output, pleural effusion, and peripheral circulation may contribute but are not primary causes.
You may also like to solve these questions
A client on hemodialysis reports fatigue. The nurse should assess for:
- A. Anemia.
- B. Hyperkalemia.
- C. Dehydration.
- D. Infection.
Correct Answer: A
Rationale: Anemia is common in renal failure due to decreased erythropoietin.
In planning care for the client who has had a stroke, the nurse should obtain a history of the client's functional status before the stroke because?
- A. The rehabilitation plan will be guided by it.
- B. Functional status before the stroke will help predict outcomes.
- C. It will help the client recognize his physical limitations.
- D. The client can be expected to regain much of his functioning.
Correct Answer: A
Rationale: A pre-stroke functional status history guides the rehabilitation plan by setting realistic goals based on prior abilities. Predicting outcomes, recognizing limitations, or expecting full recovery are secondary or unrealistic.
A client with diverticular disease is receiving psyllium hydrophilic mucilloid (Metamucil). The drug has been effective when the client tells the nurse that he:
- A. Passes stool without cramping.
- B. Does not have diarrhea any longer.
- C. Is not as anxious as he was.
- D. Does not expel gas like he used to.
Correct Answer: A
Rationale: Psyllium (Metamucil) is effective when the client passes stool without cramping, indicating improved bowel regularity and reduced irritation. Absence of diarrhea, anxiety, or gas are not primary indicators of its effectiveness. CN: Pharmacological and parenteral therapies; CL: Evaluate
Prevention of skin breakdown and maintenance of skin integrity among older clients is important because they are at greater risk secondary to:
- A. Altered balance.
- B. Altered protective pressure sensation.
- C. Impaired hearing ability.
- D. Impaired visual acuity.
Correct Answer: B
Rationale: Older adults have reduced pressure sensation due to thinner skin and nerve changes, increasing the risk of skin breakdown and pressure ulcers.
Which statement by a client with acute renal failure indicates understanding of dietary restrictions?
- A. I will avoid oranges.
- B. I can eat unlimited protein.
- C. I should drink less water.
- D. I will eat more spinach.
Correct Answer: A
Rationale: Oranges are high in potassium, which should be avoided in acute renal failure.