An ________ is a medical doctor who can perform eye examinations and eye surgery, and prescribe medications, eyeglasses, and contact lenses.
A. ophthalmologist
B. optometrist
C. otologist
D. entomologist
Answer: A
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The therapist is providing bilevel NPPV, and is using an HME for humidification. The therapist observes that the patient is having difficulty triggering and cycling inspiration. Which of the following actions should the therapist take at this time?
A. Remove the HME. B. Increase the IPAP. C. Decrease the EPAP. D. Adjust the trigger sensitivity setting.
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Which of the following about the use of prehospital fluid resuscitation in the patient with a traumatic brain injury is TRUE?
A) Administer fluids aggressively regardless of the patient's blood pressure. B) Do not administer fluids unless the patient's blood pressure drops below 60 mmHg, because the administration of fluids leads to increased cerebral edema. C) Administer fluids as needed to maintain a systolic blood pressure above 90 mmHg. D) The use of hypertonic fluids is indicated to maintain vascular volume while reducing tissue edema.