DETAILED ANSWERS WITH
RATIONALES (VERIFIED ANSWERS)
|ALREADY GRADED A+
which of the following is an absolute contraindication to stress testing?
a. uncontrolled SVT
b. mild to moderate aortic stenosis
c. frequent ventricular ectopy
d. acute myocardial infarction - Answers - ✔✔ d. acute myocardial infarction
which of the following is a relative contraindication to stress testing?
a. mild to moderate aortic stenosis
b. acute MI
c. acute ill patients, such as those with severe anemia, thyroid disease, or infarctions
d. known left main coronary artery disease - Answers - ✔✔ a. mild to moderate aortic
stenosis
a positive stress test implies that
a. ischemia is absent
b. ischemia is present
c. infarction is present
d. infarction is absent - Answers - ✔✔ b. ischemia is present
on the morning of the stress test, it is important that the patient
a. semi-fast for 4hours before the test
b. eat a big meal for energy
c. eat as usual
d. fast for 12 hours to avoid nausea during the test - Answers - ✔✔ a. semi-fast for
4hours before the test
the most common methods of stress testing include which of the following?
a. treadmill and bicycle ergometer
b. bicycle ergometer and stair-stepper
c. stair-stepper and arm ergometer
d. arm ergometer and treadmill - Answers - ✔✔ a. treadmill and bicycle ergometer
which of the following is NOT a reason to terminate stress test?
a. falling blood pressure
b. ST segment elevation
c. patient's request
d. shortening of the PR interval - Answers - ✔✔ d. shortening of the PR interval
, which of the following is NOT a reason to terminate an exercise stress test?
a. decreasing amplitude of the QRS complex and T waves
b. development of 3rd degree AV block
c. falling blood pressure
d. EKG machine malfunction - Answers - ✔✔ a. decreasing amplitude of the QRS
complex and T waves
the "gold standard" for determining the presence of coronary artery disease is the
a. angiogram
b. thallium stress test
c. exercise stress test
d. MUGA scan - Answers - ✔✔ a. angiogram
your patient has developed very mild chest discomfort during her treadmill stress test.
she denies other symptoms and her blood pressure is stable. there are no EKG
changes. what is the correct course of action?
a. continue but watch cautiously
b. stop the test immediately
c. back down to the next lowest stage of the test
d. stop the test, asses the patient more fully, then restart if everything is OK - Answers -
✔✔ a. continue but watch cautiously
if your patient develops a first degree AV block during her stress test, you should
a. back the stage to the previous level
b. continue, but watch the rhythm cautiously
c. stop the test immediately
d. stop the test and send the patient for a permanent pacemaker - Answers - ✔✔ b.
continue, but watch the rhythm cautiously
if your patient develops a 2nd degree AV block during her stress test, you should
a. back the stage to the previous level
b. continue, but watch the rhythm cautiously
c. stop the test immediately
d. stop the test and send the patient for a permanent pacemaker - Answers - ✔✔ c.
stop the test immediately
Mrs. Johnson has developed a severe headache and blurred vision while having a
stress test. her blood pressure is extremely elevated. the correct course of action would
be to
a. terminate the test immediately
b. continue the test
c. ask the patient if she wants to stop or continue, and do as she requests
d. slow the treadmill to let the blood pressure and symptoms subside - Answers - ✔✔
a. terminate the test immediately