The following are advantages of using digital radiography EXCEPT ____________
a. when sensors are used, there is less exposure to radiation for the patient
b. sensors are usually thicker, causing the patient to gag
c. dentist has quick results on the monitor almost immediately
d. patients have visual images to view when the dentist is discussing areas of concern
b
RATIONALE: A disadvantage of digital radiography is that the sensors are thicker and may cause the patient to gag.
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The ambulance is called for an assaulted patient. While transporting the patient to the hospital, the EMT notes the patient's jugular veins are flat (nondistended). Which of these is most likely the cause of this finding?
A) Closed head injury B) High blood pressure C) Blood collecting around the heart in the pericardial sac D) Blood loss
The EMT is correctly assessing the perfusion status of a 10-month-old when she:
A) Obtains a blood pressure B) Feels for a brachial pulse C) Looks for cyanosis in the extremities D) Observes the characteristics of the fontanelles
A communicable disease is a(n):
a. Disease for which much research and communication exists b. Disease caused by disruption in metabolism c. Disease that is inherited d. Infectious disease
If a cell is more positively charged than it is when resting, it is said to be ________
A) refractory B) depolarized C) repolarized D) polarized