The nurse is assessing a new admission and hears a murmur at the second left intercostal space along the left sternal border. The nurse anticipates the client has a murmur of which valve?
Pulmonic
Aortic
Tricuspid
Mitral
The Correct Answer is A
A. Pulmonic: The pulmonic valve is best auscultated at the second left intercostal space along the left sternal border. A murmur heard in this location is most likely associated with pulmonic valve abnormalities such as pulmonary stenosis or pulmonary regurgitation.
B. Aortic: The aortic valve is auscultated at the second right intercostal space at the right sternal border. A murmur at this site may indicate aortic stenosis or regurgitation, but not when heard on the left side as in this scenario.
C. Tricuspid: Tricuspid valve murmurs are typically heard best at the lower left sternal border, around the fourth or fifth intercostal space. This location is more inferior than where the nurse auscultated the murmur in the current assessment.
D. Mitral: The mitral valve is best heard at the fifth intercostal space at the midclavicular line (the cardiac apex). Murmurs related to mitral stenosis or regurgitation would not typically be heard at the second intercostal space near the sternum.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Complete the remainder of the assessment: While ongoing assessment is important, the rhythm strip shows atrial flutter, a potentially unstable arrhythmia, and the client is experiencing symptoms (nausea after breakfast) which could suggest compromised cardiac output. Completing the remainder assessment delays the necessary intervention.
B. Obtain an order for adenosine IV: Adenosine is typically used for stable supraventricular tachycardia (SVT), not for atrial flutter, as it may not terminate the rhythm. It may slow conduction enough to better visualize flutter waves, but initiating it without a provider's order or further evaluation is inappropriate.
C. Notify the physician of the symptoms: The client’s rhythm strip shows atrial flutter with a rapid ventricular response and the patient is experiencing nausea, which could indicate decreased perfusion or early decompensation. Immediately notifying the provider is the safest and most appropriate action for further evaluation and treatment planning.
D. Administer the prescribed ACE inhibitor: ACE inhibitors are used for blood pressure control or heart failure management, not for acute rhythm disturbances. Administering it would not address the current rhythm or symptoms and could worsen hypotension if cardiac output is compromised.
Correct Answer is ["125"]
Explanation
Calculate the total volume to be infused in drops.
Total drops = Total volume (mL) × Drop factor (gtts/mL)
= 1000 mL × 60 gtts/mL
= 60000 gtts
Calculate the total infusion time in minutes.
Total infusion time (minutes) = Total hours × 60 minutes/hour
= 8 hours × 60 minutes/hour
= 480 minutes
Calculate the IV flow rate in drops per minute (gtts/min).
IV rate (gtts/min) = Total drops / Total infusion time (minutes)
= 60000 gtts / 480 minutes
= 125
=125 gtts/min
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