ATI LPN
Fundamentals of Nursing Oxygenation NCLEX Questions Questions
Question 1 of 5
The nurse is caring for a client who suffers from chronic constipation. The nurse asks questions to evaluate whether the client uses laxatives to manage this condition. Which of the following best describes the rationale for this action?
Correct Answer: A
Rationale: Chronic laxative use, especially if misused (e.g., over-reliance or improper dosing), can lead to a condition known as laxative dependency, where the bowel becomes less responsive to normal stimuli, worsening constipation over time. Option B (magnesium buildup leading to diarrhea) is a potential side effect of certain laxatives but doesn’t explain evaluating their use in constipation. Option C (rectal sphincter damage) is unlikely with standard laxative use. Option D (replacing fiber intake) is a mischaracterization—laxatives supplement, not replace, dietary interventions like fiber.
Question 2 of 5
The nurse is leading an exercise class for a group of adults aged 65 years and older. The nurse incorporates isotonic, isometric, and isokinetic exercises into the class. Which activity is an isometric exercise?
Correct Answer: B
Rationale: Isometric exercises involve contraction without movement (e.g., holding a pose). A, C, and D are isotonic.
Question 3 of 5
The patient is breathing normally. Which process does the nurse consider is working properly when the patient inspires?
Correct Answer: C
Rationale: Normal inspiration involves the diaphragm and intercostal muscles expanding the chest, allowing elastic recoil of lung tissue to facilitate air intake. This is a mechanical process, not a chemical receptor response, oxygen saturation drop, or CO2 binding issue.
Question 4 of 5
Which factor most directly affects oxygenation in a patient with pneumonia?
Correct Answer: A
Rationale: Pneumonia causes airway inflammation and consolidation, obstructing air flow and impairing oxygenation more directly than fluid overload, heart rate, or blood pressure.
Question 5 of 5
Which intervention improves oxygenation in a patient with atelectasis?
Correct Answer: B
Rationale: Atelectasis (lung collapse) improves with coughing to re-expand alveoli and clear secretions, enhancing oxygenation, unlike diuretics, ice packs, or fluid restriction.