A nurse is performing a cardiac assessment on a client and auscultates an S3 sound. The nurse should recognize that this sound represents which of the following heart conditions?
Closure of pulmonic valve
Closure of the mitral valve
Ventricular gallop
Atrial gallop
The Correct Answer is C
Ventricular gallop is another name for the S3 sound, which is a low-pitched sound heard at the end of diastole, just after the S2 sound. It is caused by the rapid filling of the ventricles and the vibration of the ventricular walls.
Closure of the pulmonic valve is one of the components of the S2 sound, which is a high-pitched sound heard at the end of the systole, just before the S1 sound. It is caused by the closure of the semilunar valves (pulmonic and aortic).
Closure of the mitral valve is one of the components of the S1 sound, which is a high-pitched sound heard at the beginning of systole, just after the S2 sound. It is caused by the closure of the atrioventricular valves (mitral and tricuspid).
d. Atrial gallop is another name for the S4 sound, which is a low-pitched sound heard at the end of diastole, just before the S1 sound. It is caused by atrial contraction and increased resistance to ventricular filling.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["8"]
Explanation
To calculate the volume to administer, the nurse should use the following formula:
Volume (mL) = Dose (mg) / Concentration (mg/mL) x 1000
Plugging in the given values, the nurse should get:
Volume (mL) = 400 mg / 250 mg/5 mL x 1000
Volume (mL) = 8 mL
The nurse should round the answer to the nearest whole number and use a leading zero if it applies. Therefore, the nurse should administer 8 mL of valproic acid per dose.
Correct Answer is D
Explanation
Taking one tablet at the first indication of chest pain is the correct way to use SL nitroglycerin tablets, as they are fast- acting and can relieve anginal symptoms within minutes. The client should place the tablet under the tongue and let it dissolve.
Taking one tablet at the first indication of chest pain is the correct way to use SL nitroglycerin tablets, as they are fast- acting and can relieve anginal symptoms within minutes. The client should place the tablet under the tongue and let it dissolve.
Taking this medication after each meal and at bedtime is not appropriate, as SL nitroglycerin tablets are not meant for routine or prophylactic use, but only for acute episodes of angina.
Taking one tablet every 15 min during an acute attack is not correct, as the client should not exceed three doses in 15 min. If the pain is not relieved after three doses, the client should seek emergency medical attention.
Taking this medication with 8 ounces of water is not necessary, as SL nitroglycerin tablets do not need to be swallowed or washed down with water. They should be dissolved under the tongue for optimal absorption.
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