What is a risk factor common to development of both mital and aortic stenosis?

Rheumatic fever

Endocarditis

Marfan’s syndrome

Female gender

Answer and Explanation

The Correct Answer is A

Rheumatic fever: This inflammatory condition can affect various parts of the heart, including the mitral and aortic valves. Repeated episodes of rheumatic fever can lead to scarring and thickening of the heart valves, eventually causing stenosis (narrowing) of the mitral or aortic valve.

b. Endocarditis: This infection of the heart lining or valves can damage the structures, but it's not as directly linked to both mitral and aortic stenosis as rheumatic fever.

c. Marfan’s syndrome:Marfan syndrome is a genetic disorder that can affect connective tissue throughout the body, including the heart valves. It is commonly associated with aortic root dilatation and aortic regurgitation rather than aortic stenosis. While aortic valve involvement can occur in Marfan syndrome, it is not typically associated with mitral stenosis.

d. Female gender: While gender differences exist in the prevalence of certain cardiovascular conditions, such as rheumatic heart disease affecting more females than males, gender alone is not a significant risk factor for the development of either mitral or aortic stenosis.

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Correct Answer is ["A","B","C","E"]

Explanation

a. Abdominal distension: Abdominal distension can occur in cases of severe digoxin toxicity due to its effects on gastrointestinal motility. Digoxin toxicity can lead to nausea, vomiting, and abdominal discomfort, which can contribute to abdominal distension. Therefore, abdominal distension is consistent with digoxin toxicity.

b. Digoxin level 4.1 ng/ml (0.8-2.0ng/ml): Digoxin levels above the therapeutic range (0.8-2.0 ng/ml) indicate digoxin toxicity. A level of 4.1 ng/ml is significantly higher than the therapeutic range, confirming digoxin toxicity.

c. Blurry vision: Blurry vision is a common symptom of digoxin toxicity. Visual disturbances, such as yellow or green halos around lights or changes in color vision, can occur due to digoxin's effects on the optic nerve. Therefore, blurry vision is consistent with digoxin toxicity.

d. Increased platelet level: Digoxin toxicity typically does not cause an increase in platelet levels. Instead, it can lead to thrombocytopenia (a decrease in platelet levels) due to its effects on bone marrow function. Therefore, increased platelet levels are not consistent with digoxin toxicity.

e. Arrhythmia: Digoxin toxicity can cause various cardiac arrhythmias, including atrial tachycardia, atrioventricular block, and ventricular tachycardia. Therefore, experiencing arrhythmias is consistent with digoxin toxicity.

A. pH 7.49 Pa, CO2 36mmHg, HCO3 31mEq/L B. pH 7.47 Pa, CO2 25mmHg, HCO3 26mEq/L C. pH 7.32 Pa, CO2 41mmHg, HCO3 22mEq/L D. pH 7.30 Pa, CO2 48mmHg, HCO3 26mEq/L

Correct Answer is B

Explanation

Based on the expected changes in hyperventilation related to anxiety, option b (pH 7.47, PaCO2 25 mmHg, HCO3 26 mEq/L) is the most consistent with respiratory alkalosis, which occurs due to hyperventilation:

a. pH 7.49, PaCO2 36 mmHg, HCO3 31 mEq/L:

The pH is higher than the normal range, indicating alkalosis.
The PaCO2 is within the normal range (slightly elevated), which is unexpected in hyperventilation where PaCO2 is typically decreased.
The HCO3 is elevated, indicating metabolic alkalosis, which is not typically associated with hyperventilation related to anxiety.

b. pH 7.47, PaCO2 25 mmHg, HCO3 26 mEq/L:

The pH is higher than the normal range, indicating alkalosis.
The PaCO2 is below the normal range, indicating respiratory alkalosis, which is consistent with hyperventilation.
The HCO3 is within the normal range, which can occur as a compensatory mechanism for respiratory alkalosis.

c. pH 7.32, PaCO2 41 mmHg, HCO3 22 mEq/L:

The pH is lower than the normal range, indicating acidosis.
The PaCO2 is within the normal range, which is unexpected in hyperventilation where PaCO2 is typically decreased.
The HCO3 is within the normal range, indicating compensated metabolic acidosis, which is not typically associated with hyperventilation related to anxiety.

d. pH 7.30, PaCO2 48 mmHg, HCO3 26 mEq/L:

The pH is lower than the normal range, indicating acidosis.
The PaCO2 is elevated, indicating respiratory acidosis, which is not typically associated with hyperventilation.
The HCO3 is within the normal range, which can occur as a compensatory mechanism for respiratory acidosis.

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What is a risk factor common to development of both mital and aortic stenosis?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is caring for a client with digoxin toxicity. Which findings are consistent with this diagnosis? Select all that apply.

Correct Answer is ["A","B","C","E"]

Explanation

A client in the emergency department is being treated for hyperventilation related to anxiety. Which arterial blood gas result would the nurse anticipate for this client? Normal arterial blood gas values pH: 7.35-7.45, PaCO2: 35-45mmHg, HCO3: 22-26mEq/L.

Correct Answer is B

Explanation

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A client presents to the Emergency department with a 4-day history of anorexia, abdominal pain and vomiting. An arterial blood gas (ABG) is drawn with these results pH 7.47(7.35-7.45), PaCO2 35mmHg (35-45mmHg), HCO3 31 mEq/L (22-26 mEq/L). How should the nurse interpret these results?

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