Which of the following is important in processing a urine specimen for microscopic examination of sediment?
A. Fill one test tube with 2 mL of water and the other test tube with 2 mL of urine
B. Balance the centrifuge by placing the test tubes upside down
C. Set the centrifuge for 20 minutes
D. After the centrifuge stops, discard most of the supernatant from the tube
E. Avoid using a coverslip on the specimen slide
D. After the centrifuge stops, discard most of the supernatant from the tube
After the centrifuge stops, discard most of the supernatant and mix the remaining few drops with the sediment by gently tapping the tube.
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A benign tumor of dilated vessels is called a _________
a. nevus b. keloid c. lipoma d. hemangioma
A patient who is weak informs you that she has a history of her "iron being too low." This should concern the EMT because iron is needed to:
A) make the white blood cells required for fighting infection. B) help the blood to clot. C) carry oxygen throughout the body. D) maintain an adequate blood pressure in the body.
After you apply and use an AED on patient lying on his back. His pulse returns and he is breathing adequately. What position is he in?
a. Right lateral recumbency b. Supine c. Left lateral recumbency d. Prone position
The number of apneic periods observed is 15, and the number of hours slept is 5. The apnea index is:
a. 3 c. 20 b. 8 d. 45