Isosorbide mononitrate modified release formula is structured to provide a nitrate free period. The nurse understands that the rationale for this period is to:

decrease allergic reactions

decrease tolerance to effects

prevent reflex tachycardia

increase absorption

Answer and Explanation

The Correct Answer is B

A. Decrease allergic reactions: Nitrate-free periods are not primarily designed to address allergic reactions.

B. Decrease tolerance to effects: Nitrates, including isosorbide mononitrate, can lead to the development of tolerance when used continuously. The nitrate-free period helps to minimize this tolerance, allowing the medication to remain effective over time.

C. Prevent reflex tachycardia: While nitrate use can sometimes cause reflex tachycardia, the nitrate-free interval is not specifically aimed at preventing this.

D. Increase absorption: The nitrate-free period does not influence the absorption of the medication itself.

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Correct Answer is B

Explanation

A. 47-year-old male construction foreman who takes atenolol: Atenolol is a beta-blocker used for hypertension and does not typically contribute to folic acid deficiency. This client’s occupation and medication are not directly associated with folate deficiency.

B. 43-year-old female with Crohn's disease: This client is at high risk for folic acid deficiency due to the malabsorption issues commonly associated with Crohn's disease. Inflammatory bowel diseases can impair the absorption of nutrients, including folate, making this client the most likely candidate for folic acid deficiency.

C. 58-year-old male who smokes one pack of cigarettes per day: Smoking is associated with various health risks, but it does not directly correlate with folic acid deficiency. This client may face other health issues, but folate deficiency is not specifically indicated.

D. 23-year-old female who drinks a glass of wine with dinner: Moderate alcohol consumption may affect folate metabolism, but a single glass of wine is unlikely to cause a significant deficiency. Other factors would need to be considered for a diagnosis of folate deficiency.

A. Increased platelet count B. Elevated troponins C. Decreased homocysteine levels D. Elevated CK-MB E. Decreased alkaline phosphatase (ALT)

Correct Answer is B

Explanation

A. Increased platelet count: While platelet activation can occur in unstable angina, an increased platelet count alone does not indicate heart damage. It is more relevant to thrombotic events than direct myocardial injury.

B. Elevated troponins: Troponin is a protein released when the heart muscle is damaged. Elevated levels are a key indicator of myocardial injury, making this a significant finding in the context of unstable angina.

C. Decreased homocysteine levels: Homocysteine levels are related to cardiovascular risk but are not directly indicative of heart damage. Elevated levels may suggest risk but do not confirm damage.

D. Elevated CK-MB: Creatine kinase-MB is an enzyme found in heart muscle. Elevated levels are indicative of myocardial injury, making this a relevant laboratory test for assessing heart damage in unstable angina.

E. Decreased alkaline phosphatase (ALT): Alkaline phosphatase is primarily related to liver and bone health and does not indicate heart damage. Decreased levels of ALT (alanine aminotransferase) are not relevant to myocardial injury.

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Isosorbide mononitrate modified release formula is structured to provide a nitrate free period. The nurse understands that the rationale for this period is to:

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Naxlex Comprehensive Predictor Exams

The nurse is reviewing the past medical history of a group of clients. Which client would the nurse suspect as having folic acid deficiency? The:

Correct Answer is B

Explanation

The nurse is reviewing the chart of a client with a diagnosis of unstable angina. Which laboratory test(s) result(s) should the nurse recognize as an Indication of heart damage? (SELECT ALL THAT APPLY)

Correct Answer is B

Explanation

Which statement, made by a client receiving pharmacologic therapy for hypertension, indicates a need for further clarification by the nurse?

A client who has chronic stable angina is being discharged. Which statement by the client indicates an understanding of the discharge teaching?

The nurse recognizes that which diagnostic test is used to detect the most common cause of chronic iron deficiency anemia?

The nurse auscultates a S4 heart sound during the morning assessment of a client. Which additional assessment data would correlate with this finding?

The nurse administers the first dose of prazosin 1 mg PO to a client. Which nursing action is most appropriate following the administration of this medication?

The nurse is reviewing the laboratory test results of a client with long standing hypertension. Which result would be of most concern to the nurse?

The nurse is reviewing the laboratory data of a client diagnosed with coronary artery disease. Which set of laboratory results indicates a need for client teaching regarding dietary modifications?

The nurse is caring for a client diagnosed with iron deficiency anemia as the result of a gastrointestinal (GI) bleed. What discharge instruction should the nurse provide if this client is also prescribed aspirin 81 mg daily?