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CCT - MISC Exam With Complete Solutions
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CCT - MISC Exam With Complete SolutionsAtrial hypertrophy arises due to. - Anwer -Increase in volume of blood i.e., dilation of
atria
-Increase in resistance of flow of blood in atria i.e., thickening of wall
ST segment and T wave represents: - Answer repolarization of ventricle
U-wave represents : - Answer terminal phase of Purkinje repolarisation
Leakage current - Electrical current that flows to the ground conductor (if no ground
conductor is present, leakage current may flow to any conductive surface)
Ground connectors - Provide a path to divert extraneous or leakage electrical current to
the ground or earth
What can interfere with the function of a pacemaker? Large magnets, high voltage
current, medical devices (MRI)
Fire extinguishers for electrical fires: - Class "C" fire extinguishers
*can use baking soda. NOT water.
Respiratory sinus arrhythmia - sinus rhythm increases with inhalation and decreases
with exhalation
Sinus arrhythmia - greater than 0.16 seconds variation in PP or RR intervals
, The PR interval is sinus tachycardia is. - Shorter than in average sinus rhythm
VT that changes its axis is called. - Answer Torsades de pointes
The double product considered adequate in stress testing: - Answer 20,000 (MHR x
SBP)
One MET = - Answer 3.5 ml/kg/min
Each stage in the Bruce protocol increases by approximately. - Answer 2-3 METs
Modified bruce protocol - Answer First stage = 1.7/0% (2.9 METs)
Second stage = 1.7/5% (3.7 METs)
Moderate and Vigorous Intensity (METs) - Answer Moderate = 3-6 METs
Vigorous = >6 METs
Thallium - Answer a chemical used in nuclear imaging (others include technetium
sestamibi, technetium tetrofosmin)
Reasons for false (+) stress test results: - Answer Females > Males
Disease states
Use of certain drugs
Disease states that can cause false (+) stress test results: - Answer -LVH
-Cardiomyopathy
-Hyperventilation
-LBBB
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