Which of the following nebulizers uses a piezoelectric transducer to generate liquid particle aero-sols?
a. Hydrodynamic nebulizer
b. Ultrasonic nebulizer
c. Jet nebulizer
d. Centrifugal nebulizer
ANS: B
An ultrasonic nebulizer is an electrically powered device that uses a piezoelectric crystal to gen-erate aerosol.
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The part of the patient care report that includes the patient's name, address, date of birth, and sex is the:
a. patient data section. b. run data section. c. narrative section. d. billing section.
You are mentoring a new EMT. Which of the following could help your protégée understand the importance of treating a patient empathetically?
A) Take him to an Assisted Living facility and introduce him to some of your regular patients. B) Explain to him the various ways you can get a patient to give you a refusal. C) Show him different ways that he can get another unit to take the calls on skid row. D) Spend time showing him how to operate the airway equipment on the ambulance.
What is the concentration of serum phosphorus in a solution whose absorbance is 0.150, cuvet pathlength, 1.0 centimeters, absorptivity is 0.0625 L g-1cm-1?
A. 240 mg/L B. 0.024 g/L C. 0.24 g/L D. 2.4 g/L
In a recent article by Fischer et al. (2008), it is reported that regular maintenance treatment in a population of highly motivated patients with chronic periodontitis seemed to be equally successful in preventing progressive periodontal tissue
destruction in A) hypertensive patients. B) current smokers and current nonsmokers. C) patients with tuberculosis. D) patients with kidney implant.