1. While caring for a patient with an IABP A. incorrect. decreasing urine output
with increas-
at 3:1, the nurse notes: ing BUN and CR levels with an IABP in
A. decreasing urine output as place indi- cates obstruction of the renal
well as increasing BUN and CR arteries. The nurse should plan for
levels; the nurse should removal.
increase timing to 2:1 B. incorrect. absent pulses distal to the
B. absent pulses in the insertion site indicates complete occlusion
proximal ex- tremity; the nurse of the femoral artery. application of pressure
should apply pres- sure at the to the insertion site will worsen the
insertion site. obstruction.
C. blood in the IABP tubing; the C. correct. blood in the IABP tubing
nurse should disconnect the indicates a rupture of the balloon.
balloon catheter from the IABP. Continuing to allow the IABP to inflate and
D. blood oozing from the deflate will increase the size of the rupture,
insertion site; the nurse should causing more bleeding. the nurse should
anticipate the need for an plan for removal or exchange of the IABP
emergency fasciotomy. catheter.
D. incorrect. a fasciotomy would be indicated
if the patient had an increase in fluid
accumulation in the extremities causing
significant injury to the limb.
2. An IABP is currently at 3:1 when
the A. correct. the IABP will not be able to time
correctly
patient suddenly goes into ventricular when a patient is in V-Fib. by placing
the system
fibrillation. In addition to resuscitative to trigger on internal or pressure
support, it will
measures, the nurse should: resuscitative mea- sures.
A. change the trigger to B. increase timing back
internal or pressure support to 1:1 to increase
, CMC Practice Questions – AACN Study Exam.
coronary artery perfusion generate ott the pressure created during
pressure. compres- sions.
C. put the pump on standby B. incorrect. attempting to time the IABP
until the return of spontaneous back to 1:1 will be counterproductive, as it will
circulation. not be able to trigger correctly.
D. assess the IABP timing to C. incorrect. there is significant risk of clot
chest compressions at 1:2. forming on the IABP when placed in stand
for an indeter- minate amount of time.
D. incorrect. the primary goal during
resuscitative measures is to attempt to
circulate blood volume
, CMC Practice Questions – AACN Study Exam.
as ettectively as possible. assessing the timing
of the IABP is unnecessary.
3. The nurse is reviewing the home med- A. correct. digitalis can cause false-
positive EKG
ications list for a patient changes during a stress test. there is an
admitted c/o severe chest pain. association between the development of ST
serial EKGs and segment depres-
blood testing are negative, so an exer- sion during stress testing. the
mechanism of this
cise stress test is scheduled. EKG change is not clear. further, digitalis
which of the following should be withheld on the day of the test
medications may result because of its
in a false-positive finding on the stress negative chronotropic ettects.
test? B. incorrect.
A. digitalis (Digoxin) C & D. incorrect. beta-blockers and calcium
B. potassium chloride (K-Dur) channel blockers blunt the heart rate response
C. sotalol (Betapace) to exercise and may prevent achievement of
D. diltiazem (Cardiazem) maximum pre- dicted heart rate. they
should be withheld on the day of the test.
4. A patient is admitted with A. incorrect. enoxaparin is an alternative to
elevated troponin levels and heparin in patients with unstable angina,
ST segment el- evation in NSTEMI or DVT.
leads II, III, and aVF. Ad- B. incorrect. streptokinase is indicated for
acute
ministration of which of the following arterial thrombosis or embolism, or
occluded AV
should the nurse anticipate D. reteplase (Retavase)
initially?
A. enoxaparin (Lovenox)
B. streptokinase (Strepase) 5. Which of the following is
C. alteplase (Activase) a character- istic of
, CMC Practice Questions – AACN Study Exam.
diastolic heart failure? cannulas.
A. inability of the heart muscle C. incorrect. alteplase in indicated for
to re- lax. acute is- chemic stroke or acute massive
pulmonary em- bolism.
D. correct. reteplase is indicated for AMI
when fib- rinolytics are indicated.
A. correct. with diastolic heart failure the
left ventri- cle is unable to relax, leading to
signs and symp- toms of heart failure, but
the patient maintains a preserved EF as the
muscle retains its ability to