A medical assistant is examining a rash on the front of a patient's arm. Which of the following terms should the assistant use to document the location of the ra
Anterior
Posterior
Lateral
Medial
The Correct Answer is A
A. Anterior: The term "anterior" refers to the front of the body, so it is appropriate for describing a rash on the front of the patient's arm.
B. Posterior: "Posterior" refers to the back of the body, which is not the location of the rash in this scenario.
C. Lateral: "Lateral" refers to the side of the body. While the rash may be on the side of the arm, it is more specifically described as anterior.
D. Medial: "Medial" refers to the midline of the body, not specifically to the front of the arm.
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Correct Answer is C
Explanation
A. Add thixotropic gel to the tube after venipuncture: Thixotropic gel is used in specific tubes for separating serum or plasma from blood cells and should be added during the manufacturing process, not after venipuncture.
B. Place the tubes in the centrifuge to chill after venipuncture to separate blood cells: Tubes should not be chilled before centrifugation unless specified by the test requirements. Most tubes are centrifuged at room temperature.
C. Invert additive tubes multiple times after filling the tube: Inverting additive tubes multiple times ensures proper mixing of the additive with the blood, which is crucial for accurate test results.
D. Mix the anticoagulant in the tube after filling the tube: The anticoagulant should be mixed by inverting the tube immediately after filling it, not after the fact.
Correct Answer is B
Explanation
A. Place the left electrode on the most distal portion of the left limb, and place the right electrode on the most proximal portion of the right limb: The left limb is amputated, so electrodes cannot be placed on the distal portion of the left limb; the right limb's electrode should be placed according to standard practice.
B. Place the left electrode on the most distal portion of the left limb, and place the right electrode on the right groin: For an amputation, the electrode for the absent limb can be placed on the corresponding part of the trunk (such as the groin) to obtain accurate readings.
C. Place the left electrode on the left mid thigh, and place the right electrode on the right mid thigh: With an above-the-knee amputation, placing electrodes on the mid-thigh of the amputated side is not feasible; placement should follow appropriate protocol for the missing limb.
D. Place the left electrode at the most proximal portion of the right limb, and place the right electrode at the most distal portion of the right limb: This does not accommodate for the left limb amputation and does not follow standard electrode placement practices.