Which statement is true of micropipets?
A. Some have preset volumes.
B. Some are adjustable in a narrow range.
C. A one-use disposable plastic tip is used for each sampling.
D. all of the above
Answer: D
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A solution of pure water is placed on the left side of a chamber. A solution of 10 mol/L glucose in water is placed on the right side of the chamber. A semi-permeable membrane that only permits water to pass is placed between the two chambers
After five minutes there has been a net movement of water to the right chamber. Which of the following best explains why? A) The water moves because it is attracted to the negatively charged glucose molecules. B) The water moves to absorb the free glucose molecules. C) The water moves to evenly distribute the pressure of the glucose molecules. D) The water moves to reduce the difference in the concentration of the two solutions.
Your patient is a 27-year-old male who has been involved in a motorcycle collision in which he was not wearing a helmet. He does not respond when you speak to him, but he makes incomprehensible sounds when you press your knuckles on his sternum. Which of the following BEST describes his level of consciousness?
A) Unresponsive B) Verbal C) Alert D) Painful
Water mist can be delivered through system distribution piping to discharge nozzles using either a ___________________
a. automatic detection system or fluid control system b. single-fluid method or automatic detection system c. single- or twin-fluid system d. high- or low-pressure system
On the second day of admission in the hospital, Dr. X performs a comprehensive physical examination on a patient with COPD with bronchitis who has begun to show signs of cyanosis in her lips and extremities, as well as chest pain. Dr. X documents 95 minutes of direct patient care, including review of current diagnostic imaging, laboratory results, and high medical decision regarding the chronic
illness with severe progression. Which of the following reflects the MOST appropriate CPT code for this service? A. 99233 and 99356 B. 99233 and 99355 C. 99233 and 99354 D. 99233