A client arrives in the emergency department with severe chest pain. The client reports that the pain has been occurring off and on for a week now. Which assessment finding would indicate the need for cautious use of nitrates and nitrites?
Blood pressure of 88/62 mm Hg
Apical pulse rate of 110 beats/min
History of renal disease
History of a myocardial infarction 2 years ago
The Correct Answer is A
A. nitrates and nitrites are vasodilators that cause vasodilation and could worsen the already existing hypotension
B. Nitrates have no effect on heart rate
C, D-History of renal disease and MI has no effect on use of the medications
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C"]
Explanation
Methotrexate inhibits the synthesis of purines. Purines and pyrimidines are the building blocks of DNA synthesis in every cell in the body. It affects the production of white blood cells and hence lowers the immunity and hence the client is at a higher risk for infections
Avoiding infected persons and hand hygiene prevents infections. Alcohol should be avoided as it increases the risk of liver damage
E-it takes several weeks to months to produce its effects
Correct Answer is D
Explanation
D. Therapeutic index refers to the doses that results in desired outcome with adverse effects. It is between the safe and toxic levels. Narrow therapeutic level means the two are very close.
A. How effective a drug is termed as efficacy
B. Such a drug does not exist as it is not safe
C. Effectiveness of very small dose is termed as potency
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