See the syringe diagram, what part is #7? (Assuming #7 refers to a common syringe part; no diagram provided, so standard parts assumed.)
Barrel
Plunger
Needle
Tip
The Correct Answer is B
Choice A reason: The barrel holds the medication; it’s the main body, not typically #7, and its static role doesn’t involve direct manipulation like other parts.
Choice B reason: The plunger, often numbered high in diagrams, moves to draw or inject; its dynamic function in volume control makes it a likely #7 candidate.
Choice C reason: The needle pierces tissue; usually a lower number, it’s distinct from the syringe’s operational core, less likely to be #7 in standard layouts.
Choice D reason: The tip connects the needle; a minor component, it’s rarely highlighted as #7, overshadowed by the plunger or barrel in functional importance.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Respiratory depression from high morphine doses signals toxicity; opioids suppress the brainstem’s respiratory center, exceeding safe therapeutic levels at this extent.
Choice B reason: Allergic reactions involve immunity (e.g., rash, anaphylaxis); slowed breathing isn’t allergic, but a dose-dependent opioid effect on respiration.
Choice C reason: Idiosyncratic means unexpected (e.g., paradoxical excitement); respiratory depression is a predictable morphine overdose sign, not an unusual reaction.
Choice D reason: Therapeutic effects relieve pain; 8 breaths/minute is dangerously low, beyond intended analgesia, indicating a harmful, not beneficial, outcome.
Correct Answer is B
Explanation
Choice A reason: While reliability exists, the oral route is less predictable than IV administration due to variability in absorption caused by digestive factors, making it less reliable for rapid or consistent onset.
Choice B reason: Convenience is the primary advantage of oral administration. It allows ease of self-administration, enabling clients to manage their medications without healthcare provider intervention, making it the most frequently used route.
Choice C reason: While many clients tolerate oral medications well, others may face challenges, such as difficulty swallowing or gastric irritation, meaning tolerability varies and is not a universal advantage of this route.
Choice D reason: The oral route does not ensure fast action due to time required for digestion, absorption, and metabolism, making it slower compared to routes like IV or sublingual administration.
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