The nurse knows that hydralazine, while magnesium sulfate will help prevent seizures, will help decrease blood pressure thus?
Improving kidney function.
Supporting liver health.
Preventing arrhythmias.
Lowering cholesterol levels.
The Correct Answer is A
Choice A rationale
Hydralazine decreases blood pressure by vasodilation, improving renal perfusion and function. Enhanced kidney function promotes diuresis, balancing fluid levels and reducing hypertension.
Choice B rationale
While controlling blood pressure indirectly benefits liver health, hydralazine's primary effect on vasodilation does not directly support liver function.
Choice C rationale
Hydralazine primarily lowers blood pressure through vasodilation. Preventing arrhythmias is more directly associated with medications affecting cardiac conduction rather than vasodilators.
Choice D rationale
Lowering cholesterol levels is not a direct effect of hydralazine. Its primary action is reducing blood pressure through vascular smooth muscle relaxation, decreasing hypertension.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Collecting a urine sample for dipstick analysis can identify urinary tract infections (UTIs) or other abnormalities. Dipstick tests detect leukocytes, nitrites, protein, and glucose, providing rapid results for initial screening of urinary issues.
Choice B rationale
Asking the client if she had sexual intercourse yesterday may help identify potential causes of urinary frequency, such as post-coital irritation. However, it does not directly address the irregular uterine contractions or possible infections.
Choice C rationale
Obtaining a midstream urine specimen for culture is crucial for diagnosing UTIs, which can cause urinary frequency and uterine irritability. Culturing urine identifies specific pathogens, guiding targeted antibiotic therapy to treat the infection.
Choice D rationale
Determining if she has a change in vaginal discharge can indicate infections or other conditions affecting the reproductive tract. However, it does not directly address the urinary frequency or irregular uterine contractions, making it less immediate.
Correct Answer is A
Explanation
Choice A rationale
Passive immunity provided by maternal antibodies crossing the placenta and through breast milk protects newborns in the first months of life, offering initial defense against communicable diseases.
Choice B rationale
Antiinfectants effectiveness against microbes does not apply; newborns rely on passive immunity as their adaptive immune system matures, not unresistant antiinfectants.
Choice C rationale
Active immunity develops over several months to years in newborns, as their immune system gradually encounters pathogens and develops specific responses.
Choice D rationale
While neutrophils are part of the innate immune system, they may still be immature and insufficient in preventing infections in neonates without maternal antibody support.
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