Which infection control measure, by the nurse, reduces the potential spread of methicillin-resistant Staphylococcus aureus (MRSA)?
Wearing an N95 mask while in the room of a patient with airborne precautions.
Wearing a facemask while in the room of a patient with droplet precautions.
Use of a separate disposable blood pressure cuff for any patient with a draining wound.
Use of strict hand washing measures once in every 8-hour work shift.
The Correct Answer is C
Choice A rationale
Wearing an N95 mask is appropriate for airborne precautions, such as tuberculosis, but not specifically for MRSA, which requires contact precautions.
Choice B rationale
Wearing a facemask is suitable for droplet precautions, such as influenza, but MRSA is primarily spread through direct contact, not droplets.
Choice C rationale
Using a separate disposable blood pressure cuff for patients with draining wounds helps prevent the spread of MRSA. MRSA can be transmitted via contaminated medical equipment.
Choice D rationale
Strict hand washing measures are essential but should be performed more frequently than once every 8-hour shift. Hand hygiene should be practiced before and after patient contact.
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Correct Answer is A
Explanation
Choice A rationale
Hypersplenism is a condition often associated with cirrhosis, where the spleen becomes overactive. This leads to the destruction of blood cells, causing anemia (low red blood cells), leukopenia (low white blood cells), and thrombocytopenia (low platelets).
Choice B rationale
Peptic ulcer disease primarily affects the stomach and duodenum, leading to ulcers and bleeding. It does not typically cause anemia, leukopenia, and thrombocytopenia in the context of cirrhosis.
Choice C rationale
Cholecystitis is the inflammation of the gallbladder, usually due to gallstones. It does not cause the blood cell abnormalities seen in cirrhosis.
Choice D rationale
Esophageal varices are swollen veins in the esophagus that develop due to portal hypertension in cirrhosis. While they can cause bleeding, they do not directly cause anemia, leukopenia, and thrombocytopenia.
Correct Answer is A
Explanation
Choice A rationale
Meningitis presents with fever, stiff neck, and photophobia. It is an inflammation of the membranes surrounding the brain and spinal cord, often caused by infection.
Choice B rationale
Encephalitis involves inflammation of the brain itself, presenting with fever, headache, and altered mental status, but not specifically photophobia.
Choice C rationale
Migraine can cause photophobia and headache but is not typically associated with fever and stiff neck.
Choice D rationale
Sinusitis can cause fever and headache but not typically photophobia and stiff neck.