Nursing Elites

1. When admitting a client diagnosed with active tuberculosis to isolation, which infection control measures should the nurse implement?

• A. Negative pressure environment
• B. Contact precautions
• C. Droplet precautions
• D. Protective environment

Correct answer: A

Rationale: The correct answer is A: Negative pressure environment. Tuberculosis is transmitted through airborne particles, so a negative pressure room is essential to prevent the spread of the bacteria. Choice B, contact precautions, are used for infections spread by direct or indirect contact, not for tuberculosis. Choice C, droplet precautions, are for infections transmitted through respiratory droplets, not airborne particles like tuberculosis. Choice D, protective environment, is used for protecting immunocompromised patients from outside pathogens, not for preventing the spread of tuberculosis.

2. Which type of Leukocyte is involved with allergic responses and the destruction of parasitic worms?

• A. Neutrophils
• B. Lymphocytes
• C. Eosinophils
• D. Monocytes

Correct answer: C

Rationale: Eosinophils are the correct answer. Eosinophils are specialized white blood cells that play a crucial role in allergic responses and combating parasitic infections. They release substances to destroy parasites and modulate allergic reactions. Neutrophils (Choice A) are mainly involved in fighting bacterial infections. Lymphocytes (Choice B) play a key role in the immune response, including antibody production, but are not primarily responsible for combating parasites or allergic responses. Monocytes (Choice D) are involved in immune defense, differentiating into macrophages or dendritic cells, but they are not mainly associated with allergic responses or parasitic worm destruction.

3. The client with a mechanical valve replacement understands the discharge teaching when the client makes which statement?

• A. ''I will need to take antibiotics before any type of invasive dental work''
• B. ''I will not have to take any more heart medication since I have a new valve''
• C. ''I will need to have this valve replaced in about 10 years''
• D. ''I should notify my healthcare provider if I hear a clicking sound near my heart''

Correct answer: A

Rationale: The correct answer is A. Clients with mechanical valve replacements need to take prophylactic antibiotics before dental procedures to prevent endocarditis. Choice B is incorrect because even with a new valve, heart medications may still be necessary to manage the condition. Choice C is incorrect because mechanical valves typically do not need replacement as frequently as within 10 years. Choice D is incorrect because hearing a clicking sound near the heart could indicate valve malfunction, not just the need to notify the healthcare provider.

4. A child with heart failure (HF) is taking digitalis. Which sign indicates to the nurse that the child may be experiencing digitalis toxicity?

• A. Tachycardia
• B. Dyspnea
• C. Vomiting
• D. Muscle cramps

Correct answer: C

Rationale: Vomiting is a common sign of digitalis toxicity and should be closely monitored. While tachycardia is a common sign of heart failure, it is not typically associated with digitalis toxicity (Choice A). Dyspnea (Choice B) and muscle cramps (Choice D) are not specific signs of digitalis toxicity and can be present in other conditions. Therefore, the presence of vomiting should raise concerns about digitalis toxicity in the child with heart failure.

5. A client is receiving lidocaine IV at 3 mg/minute. The pharmacy dispenses a 500 ml IV solution of normal saline (NS) with 2 grams of lidocaine. The nurse should regulate the infusion pump to deliver how many ml/hour?

• A. 18
• B. 27
• C. 36
• D. 45

Correct answer: D

Rationale: The infusion rate is calculated based on the concentration of lidocaine and the prescribed rate of infusion. First, convert lidocaine's weight to milligrams (2 grams = 2000 mg). Then, use the formula: (Total volume in ml * dose in mg) / 60 minutes. For this case, (500 ml * 2000 mg) / 60 minutes = 45 ml/hour. Therefore, the correct answer is D. Choices A, B, and C are incorrect as they do not reflect the accurate calculation based on the provided concentration and infusion rate.

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