Cardio Q's - boardaid1

[ArchivalUser]

Board Aid.Blogspot .com

1) A consequence of vitamin b12 deficiency is an accumulation of?
a-dihydrofolate
b-tetrahydrofolate
c-methyltetrahydrofolate
d-methionine
e-purines

2)An expected effect of digoxin therapy is
a-prolongation of QT interval
b-prolongation of PR interval
c-faster AV conduction
d-elevation of ST segment
e-anticholinergic action to increase HR

Cardiac enlargement may be due to all of the following except:
a-lymphoma
b-cardiomyopathy
c-CHF
d-mitral insufficiency
e-high output heart disease


Boardaid.blogspot. com

[ArchivalUser]

b.
b.
a?or e? go for a

[ArchivalUser]

3. Should be E. lymphoma will cause cardiac enlargement when metastasize to the heart.

[ArchivalUser]

High output cardiac failure would cause enlargement
i think 3 would be mitral insufficiency- less blood actually entering the heart

[ArchivalUser]

mitral stenois causes dilated n then later hypertrophied left atrium.mitral infficiency causes left ventriclar enlargement.

[ArchivalUser]

c
b
e