A nurse is assisting in the care of a client suspected of having a tuberculosis infection. Which of the following personal protective equipment should the nurse wear when in the client's room?
Gown
Gloves
Dosimeter badge
N95 respirator
The Correct Answer is D
A. Gown: Gowns are typically used to protect against contact with infectious body fluids or contaminated surfaces. Tuberculosis is primarily transmitted via airborne droplets, so gowns are not required for routine care of a client with suspected TB.
B. Gloves: Gloves protect against direct contact with infectious materials or bodily fluids. While gloves may be used during procedures involving secretions, they are not the primary protective equipment for preventing inhalation of airborne TB particles.
C. Dosimeter badge: Dosimeter badges monitor exposure to ionizing radiation and are irrelevant in the context of airborne infectious diseases like tuberculosis. Wearing a dosimeter does not protect against TB transmission.
D. N95 respirator: An N95 respirator is specifically designed to filter airborne particles, including Mycobacterium tuberculosis. Nurses must wear an N95 respirator when entering the room of a client with suspected or confirmed TB to prevent inhalation of infectious droplets.
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Related Questions
Correct Answer is B
Explanation
A. Gently massage the eyelid to facilitate absorption of the medication: Massaging the eyelid is not recommended because it can spread the infection to surrounding tissues and increase irritation. Medication should remain in the conjunctival sac for absorption.
B. Wipe any excess medication from the inner canthus outward: After applying ophthalmic ointment, wiping from the inner canthus (near the nose) outward prevents contamination of the tear duct and reduces the risk of spreading the infection to the other eye or face.
C. Instruct guardian to apply erythromycin ophthalmic ointment every morning for 14 days: The prescribed medication is bacitracin, not erythromycin. Providing the correct drug and following the prescribed dosing schedule is essential for effective treatment.
D. Place an occlusive dressing on the affected eye to prevent the spread of infection: An occlusive dressing is not indicated for bacterial conjunctivitis. Proper hand hygiene and avoiding contact with the eye are sufficient to prevent transmission.
Correct Answer is C
Explanation
A. pH 7.48, PaCO₂ 32 mm Hg, HCO₃ 24 mEq/L: The elevated pH indicates alkalosis, but HCO₃ is within normal limits. This pattern suggests respiratory alkalosis with compensatory changes rather than metabolic alkalosis.
B. pH 7.36, PaCO₂ 38 mm Hg, HCO₃ 25 mEq/L: These values are within normal limits, indicating acid-base balance. They do not reflect metabolic alkalosis and would not explain clinical signs of alkalemia.
C. pH 7.46, PaCO₂ 36 mm Hg, HCO₃ 29 mEq/L: The elevated pH indicates alkalosis, and the increased HCO₃ identifies a metabolic origin. The PaCO₂ is near normal, suggesting minimal respiratory compensation, which is consistent with metabolic alkalosis.
D. pH 7.26, PaCO₂ 35 mm Hg, HCO₃ 18 mEq/L: The low pH and low HCO₃ indicate metabolic acidosis, not alkalosis. These values are inconsistent with the expected findings for metabolic alkalosis.
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