Which of the following should a medical assistant recognize as an indication to prematurely terminate a patient's exercise stress test?
Sweating
Bradycardia
Palpitations
Thirst
The Correct Answer is B
A. Sweating: Sweating is a normal physiological response to exercise and is not an indication to terminate the test.
B. Bradycardia: Bradycardia (abnormally slow heart rate) during an exercise stress test can indicate a serious problem and may require premature termination of the test.
C. Palpitations: Palpitations can occur during exercise, but they are not necessarily a reason to terminate the test unless accompanied by other symptoms or abnormalities.
D. Thirst: Thirst is not a contraindication for continuing an exercise stress test.
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Correct Answer is C
Explanation
A. 99.6°F: This temperature is higher than expected for an axillary reading. Axillary temperatures are generally lower than oral temperatures.
B. 98.6°F: This reading matches the oral temperature. However, axillary temperatures are usually lower by approximately 1°F compared to oral temperatures.
C. 97.6°F: This is the correct answer because axillary temperatures tend to be about 1°F lower than oral temperatures.
D. 96.6°F: This reading is lower than typically expected for an axillary temperature and would indicate hypothermia, which is not expected if the oral temperature was normal.
Correct Answer is A
Explanation
A. Wrapping hinged instruments in the open, unlocked position: Hinged instruments should be wrapped in the open, unlocked position to ensure that steam can penetrate all surfaces for effective sterilization.
B. Allowing the temperature of the autoclave to reach 200° F before timing: The autoclave should reach the required temperature (typically 250°F or 121°C) for the appropriate amount of time for sterilization, not 200°F.
C. Using a ballpoint pen to label contents: It is not advisable to use a ballpoint pen for labeling sterilized items because ink might not withstand the autoclave's high temperatures. Permanent markers or labels that can endure high temperatures should be used.
D. Stacking wrapped packages tightly into the autoclave: Items should be arranged in a way that allows steam to circulate freely, so tightly stacking packages can hinder proper sterilization.