Amca Practice Exam 3 Study Guide.

A stethoscope is usually used in which method of examination? a. palpation b. inspection c. percussion d. auscultation e. mensuration - correct answer auscultation Auscultation means listening to sounds. This instrument uses in-depth listening to allow various structures of the body to be evaluated by a medical examiner that would not be heard otherwise. When a physician is going to perform a sigmoidoscopy, the medical assistant would most commonly place the patient in the __________ position. a. supine b. semi-Fowler c. Sims d. prone e. Trendelenburg - correct answer Sims Lying prone partially on the left side with the face turned to the right and the right leg bent at the knee allows the patient the most comfort during the procedure and the physician the most ease to perform the procedure. Exposure to sunlight is considered adequate for adults as a source of: a. vitamin A b. vitamin C c. vitamin D d. vitamin E e. vitamin K - correct answer vitamin D Vitamin D is fat-soluble, is needed for calcium absorption, and lowers the risk of rickets and osteomalacia. Vitamin D is produced by the action of sunlight on the skin. Adults could benefit from 10 minutes of sun exposure without sunscreen twice daily. It is the best way to increase vitamin D levels. Which statement is TRUE about the border of a sterile field? a. The 1-inch border is considered nonsterile. b. The entire border is sterile. c. You may touch the border if you wear sterile gloves. d. You may touch the border with a sterile instrument. e. Sterile instrument parts within the 1-inch border remain sterile. - correct answer The 1-inch border is considered nonsterile The border (edge) of a sterile field is contaminated because it is touching a nonsterile area, so anything coming in contact with the border is considered contaminated. Which therapy is used in the treatment of acne, psoriasis, pressure sores, and wound infections? a. diathermy b. ultrasound c. electromyography d. ultraviolet light e. cryotherapy - correct answer ultraviolet light