A nurse is preparing to administer ziprasidone 10 mg IM every 6 hr. Available is ziprasidone 20 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

A. "I can see that you trust me, but you should share those feelings with your psychiatrist, not me."

While encouraging the client to discuss their feelings with a mental health professional is important, this response does not address the immediate safety concern presented by the client's intent to harm others.

B. "I will not violate our nurse-client relationship. The information we discuss will remain confidential between us."

This response is inappropriate because it implies that the nurse will keep the information confidential, even though the client's statement raises concerns about the safety of others.

C. "Because you are a minor, I have to share any information that I feel is important with your parents."

While parents may have the right to be informed about their minor child's well-being, this situation goes beyond parental involvement. The nature of the threat requires immediate intervention from appropriate professionals and authorities.

"D. I cannot promise that. I must share this information with other members of the team who are responsible for planning your care."

Explanation: The client's statement about having a desire to harm others, especially classmates and a school teacher, raises significant concerns about the safety and well-being of not only the client but also the potential victims. In cases where the client poses a risk of harm to themselves or others, the nurse has a duty to breach confidentiality to ensure the safety of all involved parties. This response conveys the nurse's ethical obligation to involve other members of the treatment team and appropriate authorities to address the potential threat.

To calculate the number of capsules that the nurse should administer per dose, the nurse should first divide the total daily dose of tetracycline by the number of doses per day. This gives the dose per administration:

2 grams / 4 doses = 0.5 grams per dose

Next, the nurse should convert the dose from grams to milligrams, since the available capsules are in milligrams. There are 1000 milligrams in one gram, so the nurse should multiply the dose by 1000:

0.5 grams x 1000 mg/g = 500 mg per dose

Finally, the nurse should divide the dose in milligrams by the strength of each capsule, which is 250 mg. This gives the number of capsules that the nurse should administer per dose:

500 mg / 250 mg/capsule = 2 capsules per dose

Therefore, the nurse should administer 2 capsules of tetracycline every 6 hours to the client.