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NCLEX-PN Exam - Topic 3 Question 9 Discussion

Posted by Michal on Jul 31, 2025 at 02:35 PM

When medications have an additive, synergistic, or antagonistic effect on a tissue, a ________ reaction has occurred.

Suggested Answer: B

Pharmacodynamics pertain to the effect of a drug on receptors. Pharmaceutical reactions are chemical reactions between drugs prior to administration or absorption. Pharmacokinetic reactions refer to the body's effect on the drug. Drug incompatibilities are another term for pharmaceutical reactions.Pharmacological Therapies


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23 comments · newest first
MA
Mattie 9 months ago
Just to clarify, pharmacodynamics deals with drug effects on the body.
LA
Laquita 9 months ago
Wait, are we sure it's not A?
TA
Tamala 10 months ago
Totally agree, B is the right answer.
AL
Alease 10 months ago
I thought drug incompatibility was more about mixing meds, not this.
DA
Dana 11 months ago
It's definitely a pharmacodynamic reaction!
ER
Erick 11 months ago
I definitely recall something about additive and synergistic effects being linked to pharmacodynamics, but I hope I'm not mixing it up with pharmacokinetics!
TE
Tesha 11 months ago
I'm torn between pharmacodynamic and drug incompatibility. I feel like both could relate to how drugs interact, but I'm leaning towards pharmacodynamic.
PA
Pamella 11 months ago
I remember practicing a question about drug interactions, and I think they mentioned pharmacodynamic effects there too.
CA
Carissa 12 months ago
I think the answer might be pharmacodynamic, but I'm not completely sure. It sounds familiar from our last review session.
CE
Ceola 12 months ago
Pharmacodynamic, got it. That makes sense - it's about the drugs' effects on the body, not their movement through the body (which would be pharmacokinetic). I feel good about selecting that option.
TE
Teresita 12 months ago
Okay, I've got this. When medications have those types of effects, it's called a pharmacodynamic reaction, since it's related to the drugs' actions on the tissue. I'm confident that's the right answer.
TE
Tennie 1 year ago
Hmm, I'm a little unsure about this one. I know the terms have to do with how drugs interact, but I'm not totally clear on the specific meaning of a "reaction" in this context. I'll have to think it through carefully.
KI
Kimberely 1 year ago
This question seems straightforward. I think the key is understanding the terms additive, synergistic, and antagonistic in the context of how medications affect tissues.
JO
Joaquin 1 year ago
D) drug incompatibility sounds like the right answer to me. I mean, who wants their meds to be fighting each other in there?
LA
Lavonda 1 year ago
No, I remember studying that it's about the interaction of drugs, so it's definitely B.
BR
Brandon 1 year ago
I'm not sure, but I think it might be D) drug incompatibility.
CH
Christoper 1 year ago
I think it's B too, because it's about the effect on the tissue.
EM
Emily 1 year ago
I think the answer is B) pharmacodynamic. That's when medications interact at the target tissue level, right?
EL
Elfriede 9 months ago
↳ replying to Emily
Good point! Understanding these reactions is crucial for patient care.
KI
King 10 months ago
↳ replying to Emily
Exactly! The interactions can really change the outcome.
EA
Earlean 10 months ago
↳ replying to Emily
Yes, it’s all about how drugs affect each other at the tissue level.
LA
Lashonda 10 months ago
↳ replying to Emily
I agree, B) pharmacodynamic makes sense!
LA
Lavonda 1 year ago
B) pharmacodynamic
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