A nurse is preparing to administer an intramuscular injection for a client of average weight. At what angle would the nurse insert the needle?

Choice A reason: Retailers use trade or generic names; trade isn’t exclusive here, as generics are sold too, making this a shared rather than unique trait.

Choice B reason: Chemical names define molecular structure (e.g., acetaminophen); trade names (e.g., Tylenol) are brand-specific, not tied to chemistry recognition.

Choice C reason: Orders use trade or generic names (e.g., Zestril or lisinopril); trade isn’t the only option, as generics are equally valid in prescriptions.

Choice D reason: Trade names are trademarked (e.g., Viagra); this legal protection distinguishes them from generic or chemical names, ensuring brand exclusivity.

Choice A reason: Blood pressure matters but isn’t primary; opioids rarely cause acute hypotension initially, and respiratory depression is a more immediate life-threatening risk.

Choice B reason: Temperature is unrelated; opioids don’t primarily affect fever, and this assessment doesn’t address the critical safety concern of opioid administration.

Choice C reason: Pulse is secondary; opioids may slow heart rate mildly, but respiratory suppression is the urgent risk, requiring priority monitoring before dosing.

Choice D reason: Respiratory rate is critical; opioids depress the brainstem, risking apnea, and assessing breathing ensures safety before administering this high-risk medication.