A medical assistant is performing a body fat measurement on a patient. Which of the following areas should the assistant use to obtain an accurate measurement
A Gluteus maximus
Biceps
Infrailiac region
Triceps
The Correct Answer is C
A. Gluteus maximus: The gluteus maximus is not a commonly used site for body fat measurement.
B. Biceps: The biceps are not typically used for body fat measurement. Measurements are usually taken at sites with more subcutaneous fat.
C. Infrailiac region: The infrailiac region, located just above the iliac crest (hip bone), is a common site for measuring body fat, along with other areas such as the triceps and subscapular region.
D. Triceps: While the triceps can be used for body fat measurement, the infrailiac region is another standard site used for accuracy in some methods.
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Correct Answer is B
Explanation
A. Place a bandage on the site after holding pressure for 1 min: While a bandage may be used, holding pressure for 1 minute is excessive. Typically, pressure is held for a shorter period to control bleeding.
B. Apply direct, firm pressure to the puncture site on the finger: Applying firm pressure helps to stop bleeding after the puncture and is the appropriate technique.
C. Warm the site for a minimum of 10 min prior to puncture. Warming the site is usually done for a few minutes (not 10) to increase blood flow, but it should be done briefly and not excessively.
D. Have the parent hold the child during the procedure: While it’s important to ensure the child is held securely, the parent should assist by holding the child gently but not to the extent that it interferes with the procedure.
Correct Answer is A
Explanation
A. Place the arm electrodes facing downward. The arm electrodes should be placed with the tabs facing downward to reduce the risk of artifacts on the EKG tracing caused by movement or improper lead contact.
B. Place the electrodes over bony prominences when possible. Electrodes should not be placed over bony prominences, as this can interfere with the accuracy of the EKG reading. Instead, they should be placed on soft tissue.
C. Place the leg electrodes downward. Leg electrodes should also be placed with the tabs facing downward to prevent artifacts, similar to the arm electrodes.
D. Place the chest electrodes in a straight line just below the nipple. Chest electrodes should be placed according to specific anatomical landmarks, not in a straight line, to ensure accurate heart rhythm tracing.