NUR 170 Exam 3 UPDATED Exam
Questions and CORRECT Answers
What are the signs and symptoms of left sided heart failure? *DROWNING - CORRECT
ANSWER Dyspnea, crackles, orthopnea, weakness, nocturnal paroxysmal dyspnea,
increased hr, nagging cough, gaining weight
What are the signs and symptoms of right sided heart failure? *SWELLING - CORRECT
ANSWER swelling of legs and hands, weight gain, edema (pitting), large neck (jvd),
lethargy, irregular heart rate, nocturia, girth (ascites); gi distress and ascites
How is heart failure diagnoses? - CORRECT ANSWER BNP, chest X-ray and
echocardiogram
Nursing interventions for heart failure - CORRECT ANSWER Strict I/O, daily weight
(report 2-3lb in week), diet restrictions (low sodium, low fat, low cholesterol), elevate HOB
(semi-fowlers)
What are the risk factors for left sided heart failure? - CORRECT
ANSWER Hypertension, obesity, hx of mi, substance abuse (cocaine), diabetes
What are the risk factors for right sided heart failure? - CORRECT ANSWER Left
ventricular failure, right mi, pulmonary hypertension, copd, acute respiratory distress
What is the treatment for heart failure? - CORRECT ANSWER Enalapril, Valsartan and
furosemide/bumetanide
patient education for heart failure? *MAWDS - CORRECT ANSWER Meds, activity,
weight (daily - 3 to 5lb a week), diet (2-3g sodium), symptoms
What does a normal sinus rhythm include? - CORRECT ANSWER P, QRS, T
, What is the measurement for a PR interval? - CORRECT ANSWER 0.12 - 0.2
What is the measurement for a QRS complex? - CORRECT ANSWER 0.06 - 0.12
What is the measurement for a QT interval? - CORRECT ANSWER <0.40 seconds
A widened QRS complex could mean what? - CORRECT ANSWER PVCs, electrolyte
imbalance and/or drug toxicity
Define sinus Brady - CORRECT ANSWER Regular sinus rhythm but at a rate lower than
60.
Define sinus tachy - CORRECT ANSWER Regular sinus rhythm but at a faster rate more
than 100.
What are causes of sinus Brady? - CORRECT ANSWER Sleep, athletic, hypothyroidism,
vagal stimulation, medications (CCB, BB)
What is the treatment of sinus Brady? - CORRECT ANSWER Correct underlying cause,
increase the hr to normal
What are causes of sinus tachy? - CORRECT ANSWER Blood loss, fever, exercise,
dehydration, medications (stimulants, illicit drugs, epi), heart failure, hyperthyroidism
What is the treatment of sinus tachy? - CORRECT ANSWER Identify underlying cause,
decrease the hr to normal
Define ventricular tachycardia - CORRECT ANSWER Irregular waves; ventricles are
quivering; no contraction or cardiac output which can be fatal
Questions and CORRECT Answers
What are the signs and symptoms of left sided heart failure? *DROWNING - CORRECT
ANSWER Dyspnea, crackles, orthopnea, weakness, nocturnal paroxysmal dyspnea,
increased hr, nagging cough, gaining weight
What are the signs and symptoms of right sided heart failure? *SWELLING - CORRECT
ANSWER swelling of legs and hands, weight gain, edema (pitting), large neck (jvd),
lethargy, irregular heart rate, nocturia, girth (ascites); gi distress and ascites
How is heart failure diagnoses? - CORRECT ANSWER BNP, chest X-ray and
echocardiogram
Nursing interventions for heart failure - CORRECT ANSWER Strict I/O, daily weight
(report 2-3lb in week), diet restrictions (low sodium, low fat, low cholesterol), elevate HOB
(semi-fowlers)
What are the risk factors for left sided heart failure? - CORRECT
ANSWER Hypertension, obesity, hx of mi, substance abuse (cocaine), diabetes
What are the risk factors for right sided heart failure? - CORRECT ANSWER Left
ventricular failure, right mi, pulmonary hypertension, copd, acute respiratory distress
What is the treatment for heart failure? - CORRECT ANSWER Enalapril, Valsartan and
furosemide/bumetanide
patient education for heart failure? *MAWDS - CORRECT ANSWER Meds, activity,
weight (daily - 3 to 5lb a week), diet (2-3g sodium), symptoms
What does a normal sinus rhythm include? - CORRECT ANSWER P, QRS, T
, What is the measurement for a PR interval? - CORRECT ANSWER 0.12 - 0.2
What is the measurement for a QRS complex? - CORRECT ANSWER 0.06 - 0.12
What is the measurement for a QT interval? - CORRECT ANSWER <0.40 seconds
A widened QRS complex could mean what? - CORRECT ANSWER PVCs, electrolyte
imbalance and/or drug toxicity
Define sinus Brady - CORRECT ANSWER Regular sinus rhythm but at a rate lower than
60.
Define sinus tachy - CORRECT ANSWER Regular sinus rhythm but at a faster rate more
than 100.
What are causes of sinus Brady? - CORRECT ANSWER Sleep, athletic, hypothyroidism,
vagal stimulation, medications (CCB, BB)
What is the treatment of sinus Brady? - CORRECT ANSWER Correct underlying cause,
increase the hr to normal
What are causes of sinus tachy? - CORRECT ANSWER Blood loss, fever, exercise,
dehydration, medications (stimulants, illicit drugs, epi), heart failure, hyperthyroidism
What is the treatment of sinus tachy? - CORRECT ANSWER Identify underlying cause,
decrease the hr to normal
Define ventricular tachycardia - CORRECT ANSWER Irregular waves; ventricles are
quivering; no contraction or cardiac output which can be fatal
