Which of the following procedures should a medical assistant identify as a surgical reconstruction?
A Thoracentesis
Rhinoplasty
Appendectomy
Colotomy
The Correct Answer is B
A. Thoracentesis: Thoracentesis is a procedure to remove fluid from the space between the lungs and the chest wall; it is not a reconstruction.
B. Rhinoplasty: Rhinoplasty is a surgical reconstruction of the nose, often performed for cosmetic or functional reasons.
C. Appendectomy: Appendectomy is the surgical removal of the appendix, not a reconstructive surgery.
D. Colotomy: Colotomy is the surgical incision into the colon, not a reconstructive procedure.
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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 C
Explanation
A. Microvilli: Microvilli are cellular extensions found on the surface of some cells, not inside the cell.
B. Cilia: Cilia are projections on the cell surface and are not located inside the cell.
C. Cytoplasm: The cytoplasm is the gel-like substance inside the cell membrane that contains organelles and other cellular components.
D. Interstitial fluid: Interstitial fluid is found outside the cells, in the spaces between cells, not inside the cell itself.