NR 571 MID-TERM STUDY SET EXAM
2026||CERTIFIED QUESTIONS WITH
ANSWERS
etiologies of prolonged QT interval - correct-answer -congenital long QT
medications
hypocalcemia
hypothyroidism
etiologies of short QT - correct-answer -hypercalcemia
congenital short QT
Signs and symptoms of infective endocarditis - correct-answer -"FROM JANE"
-Fever
-Roth spots
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-Osler's nodes
-Murmur
-Janeway lesions
-Anemia
-Nailbed splinter hemorrhages
-Emboli
50% have splenomegaly
Risk factors for myocarditis - correct-answer -Diabetes.
HIV/AIDS.
Skin injuries or infections.
Cancer treated with certain medicines.
Eating disorders.
End-stage kidney disease.
Having a chest injury.
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osler's nodules - correct-answer -painful, red nodules in the distal phalanges,
indicative of endocarditis
janeway lesions - correct-answer -non-tender hemorrhagic lesions - fingers, toes,
nose, earlobes - associated with endocarditis
Subungual Hemorrhages - correct-answer -splinter hemorrhages under the nails
Roth's spots - correct-answer -white centered hemorrhagic retinal lesions
Diagnostic testing for infective endocarditis - correct-answer -Blood cultures
CXR
Trans-esophageal echocardiogram
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risk factors for infective endocarditis - correct-answer -DM
HIV
poor dental hygiene
congenital heart disease
MV prolapse
aortic stenosis
hemodialysis
prosthetic heart valve
IVDA
What is modified Duke criteria used for? - correct-answer -Diagnosis of infective
endocarditis
Major Duke criteria - correct-answer --two blood cultures positive for causative
organism out of at least three separate blood cultures drawn from 3 separate
sites within 1 hour