A client is to receive 250,000 units of benzathine penicillin.
G. The medication is available in a vial containing 300,000 units per milliliter. How many milliliters should a nurse administer?

0.4.

0.8.

1.2.

1.6.

Answer and Explanation

The Correct Answer is B

0.8.

To find the answer, you need to use the formula: Dose ordered / Dose available = Volume to administer

In this case, the dose ordered is 250,000 units and the dose available is 300,000 units/mL. So, you need to divide 250,000 by 300,000 and get 0.8333.

Then, you need to round it to one decimal place and get 0.8 mL. Choice A is wrong because it is too low.

If you administer 0.4 mL, you will give only 120,000 units of penicillin G benzathine, which is half of the prescribed dose.

Choice C is wrong because it is too high.

If you administer 1.2 mL, you will give 360,000 units of penicillin G benzathine, which is 44% more than the prescribed dose.

Choice D is wrong because it is also too high.

If you administer 1.6 mL, you will give 480,000 units of penicillin G benzathine, which is almost double the prescribed dose.

The normal range for penicillin G benzathine dosage depends on the type and severity of infection, but it is usually between 50,000 and 2.4 million units per injection.

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Correct Answer is ["E"]

Explanation

A private room with negative air pressure is required to care for a client with suspected or confirmed tuberculosis (TB) disease, as this is part of the airborne precautions recommended by the CDC.

A private room with negative air pressure prevents the spread of infectious droplet nuclei that contain the TB bacteria.

Choice A is wrong because gloves, masks, and gowns are not sufficient to protect against TB transmission.

Gloves and gowns are used for contact precautions, which are not indicated for TB.

A regular mask is also not effective in filtering out the small droplet nuclei that carry the TB bacteria.

Choice B is wrong because an N95 mask is not a precaution for the client, but for the healthcare personnel who are in close contact with the client.

An N95 mask is a type of respirator that can filter out at least 95% of airborne particles, including TB bacteria. Health care personnel should wear an N95 mask when entering the client’s room or performing aerosol-generating procedures on the client.

Choice C is wrong because droplet precautions are not indicated for TB.

Droplet precautions are used for infections that are spread by large respiratory droplets that do not remain suspended in the air, such as influenza or pertussis. Droplet precautions require wearing a regular mask and eye protection when within 6 feet of the client.

Choice D is wrong because contact precautions are not indicated for TB.

Contact precautions are used for infections that are spread by direct or indirect contact with the client or the client’s environment, such as Clostridium difficile or MRSA. Contact

A. Place the arm across the client’s chest to support the wrist. B. Use a wrist restraint to decrease mobility in the arm. C. Apply an arm board to immobilize the wrist. D. Instruct client to limit use of that arm.

Correct Answer is C

Explanation

This is because immobilizing the wrist prevents kinking or dislodgement of the intravenous catheter and reduces the risk of complications such as infiltration, phlebitis, or infection.

Some additional information for the response are:

Choice A is wrong because placing the arm across the client’s chest may compromise venous return and increase the risk of thrombosis.

Choice B is wrong because using a wrist restraint may cause skin breakdown, nerve damage, or impaired circulation.

Choice D is wrong because instructing the client to limit use the of that arm may not be sufficient to prevent catheter movement or accidental removal.

Normal ranges for venous access depend on the type and location of the catheter, but some general values are: potassium (3 to 5 mEq/L), blood urea nitrogen (10 to 20 mg/dL), and central venous pressure (8 to 12 mmHg).

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A client is to receive 250,000 units of benzathine penicillin. G. The medication is available in a vial containing 300,000 units per milliliter. How many milliliters should a nurse administer?

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Correct Answer is ["E"]

Explanation

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Correct Answer is C

Explanation

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A client is to receive 250,000 units of benzathine penicillin.
G. The medication is available in a vial containing 300,000 units per milliliter. How many milliliters should a nurse administer?