The nurse is assessing a client with suspected metabolic acidosis. Which finding would be consistent with this diagnosis?

Kussmaul respirations

Muscle spasms

Paresthesia in fingers

Tinnitus

Answer and Explanation

The Correct Answer is A

a. Kussmaul respirations: Metabolic acidosis leads to an accumulation of acids in the body, resulting in compensatory hyperventilation to try to decrease the levels of carbon dioxide and increase pH. Kussmaul respirations are deep, rapid, and labored breathing patterns characteristic of this compensation mechanism.

b. Muscle spasms: While muscle spasms can occur in various conditions, they are not specific to metabolic acidosis. Other factors, such as electrolyte imbalances or dehydration, may cause muscle spasms.

c. Paresthesia in fingers: Paresthesia (tingling or numbness) in the fingers can occur due to metabolic acidosis. Acidosis affects nerve function, leading to abnormal sensations in the extremities. It is not specific to metabolic acidosis.

d. Tinnitus: Tinnitus is not typically associated with metabolic acidosis. It is more commonly associated with conditions such as ototoxicity, Meniere's disease, or vascular disorders affecting the inner ear.

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Correct Answer is C

Explanation

a. Check current WBC count: While an elevated white blood cell (WBC) count may indicate inflammation, it is not specific to the assessment of cardiac tamponade. WBC count may be elevated in pericarditis due to the inflammatory process, but it does not directly assess for the potential complication of cardiac tamponade.

b. Assess for hypertension: Hypertension is not typically associated with cardiac tamponade. Instead, cardiac tamponade is characterized by hemodynamic compromise, which may manifest as hypotension rather than hypertension. While assessing blood pressure is important in overall cardiovascular assessment, it is not specific to detecting cardiac tamponade.

c. Auscultate heart sounds: Auscultating heart sounds, specifically for the presence of muffled heart sounds (reduced intensity of heart sounds) and distant heart sounds, is a key assessment for detecting cardiac tamponade, a potential complication of pericarditis. Cardiac tamponade occurs when fluid accumulates in the pericardial sac, compressing the heart and impairing cardiac filling. This can lead to hemodynamic compromise and potentially life-threatening consequences. Muffled or distant heart sounds are classic signs of cardiac tamponade and indicate the need for immediate intervention.

d. Measure blood glucose: Blood glucose measurement is not directly related to the assessment of cardiac tamponade. While monitoring blood glucose levels may be important in clients with diabetes or those at risk of hyperglycemia, it does not provide information specific to the detection of cardiac tamponade.

A. Dopamine B. Warfarin C. Digoxin D. Lisinopril

Correct Answer is D

Explanation

a. Dopamine: Dopamine is a medication that primarily acts as a vasopressor and inotropic agent. While it can increase cardiac contractility and improve cardiac output, it does not directly decrease afterload. In fact, dopamine may increase systemic vascular resistance (afterload) at higher doses.

b. Warfarin: Warfarin is an anticoagulant medication used to prevent blood clot formation, particularly in individuals with certain cardiac conditions such as atrial fibrillation or mechanical heart valves. While warfarin is important for preventing thromboembolic events in individuals with mitral valve regurgitation, it does not directly affect afterload.

c. Digoxin: Digoxin is a medication that primarily acts as a positive inotropic agent by increasing myocardial contractility. While it can improve cardiac function, particularly in individuals with heart failure, it does not directly decrease afterload.

d. Lisinopril: Lisinopril is an angiotensin-converting enzyme (ACE) inhibitor medication that reduces blood pressure by inhibiting the conversion of angiotensin I to angiotensin II, a potent vasoconstrictor. By reducing angiotensin II levels, lisinopril dilates blood vessels and decreases systemic vascular resistance (afterload), thus reducing the workload on the heart. Therefore, lisinopril is the medication that would help decrease afterload for a client with mitral valve regurgitation.

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The nurse is assessing a client with suspected metabolic acidosis. Which finding would be consistent with this diagnosis?

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Naxlex Comprehensive Predictor Exams

The nurse is planning care for a client with pericarditis. Which intervention assesses for the potential complication of cardiac tamponade?

Correct Answer is C

Explanation

The nurse is admitting a client diagnosed with mitral valve regurgitation. Which medication would help decrease afterload for this client?

Correct Answer is D

Explanation

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