What is the definition of pharmacodynamics?
The study of how drugs are formulated into different dosage forms.
The study of how drugs are absorbed, distributed, metabolized, and eliminated in the body.
The study of how drugs interact with specific drug receptors to produce a physiological response.
The study of how drugs are developed and tested for safety and efficacy
The Correct Answer is C
A. This option refers to pharmaceutical formulation, not pharmacodynamics.
B. This description pertains to pharmacokinetics, which involves drug absorption, distribution, metabolism, and elimination.
C. Pharmacodynamics is defined as the study of how drugs interact with specific drug receptors to produce a physiological response, explaining the effects of drugs on the body.
D. This option relates to drug development and testing rather than the specific interactions of drugs within the body.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. 700 mg results from an incorrect calculation, perhaps by misapplying the weight or dose.
B. The dosage calculation is performed by multiplying the prescribed dose (2.5 mg/kg) by the client's weight (70 kg): 2.5 mg/kg x 70 kg = 175mg.
C. 250 mg does not align with the given weight or prescribed dose.
D. 35 mg is significantly lower than the calculated dosage.
Correct Answer is D
Explanation
A. Using the same antibiotic for every infection can promote resistance, as it does not consider the specific pathogens or susceptibility patterns.
B. Prescribing antibiotics for every suspected infection can lead to overuse and unnecessary exposure to antibiotics, increasing the risk of resistance.
C. Encouraging self-medication with antibiotics can result in inappropriate usage and contribute to the development of resistant bacteria.
D. Educating healthcare providers and patients about appropriate antibiotic use is crucial in minimizing antibiotic resistance. This education helps ensure that antibiotics are prescribed only when necessary and used correctly, which can reduce the development of resistant strains of bacteria.
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