The piezoelectric crystal in an ultrasonic nebulizer:
A) converts mechanical energy into gas flow
B) converts electrical energy to mechanical energy
C) measures pressure in the liquid reservoir
D) provides heat for aerosol delivery
B
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A 77-year-old male has been experiencing dizziness and weakness when he attempts to stand quickly. Causes that should be considered include:
a. beta-blocker use. b. use of vasodilators for treatment of hypertension. c. hypovolemia secondary to diuretic use or depressed thirst mechanisms. d. all of the above.
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.
A copayment is generally paid
a. once a year b. each time the insured receives health care services c. in form of a deduction from payroll checks d. by the employer to purchase health insurance on behalf of each covered employee
_______________________________ When dealing with a difficult coworker, it is always BEST to go directly to the supervisor with a complaint or problem rather than discussing it with the coworker first
Indicate whether the statement is true or false.