What is the primary reason it is recommended to orient needle bevels toward bone during infiltration injections?
A) Needles should be angled away from bone during penetration
B) Trauma to periosteum is lessened if bone is inadvertently contacted
C) False aspirations can be prevented
D) Discomfort from needles is reduced
B
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Which of the following is NOT one of the functions of the middle ear?
a. Transmit sound vibrations b. Equalize air pressure on both sides of the tympanic membrane c. Collect sounds waves and direct them through the auditory canal to the tympanic membrane d. Protect the ear from potentially damaging loud noise
Professionals must make informed decisions based on which of the following?
a. Experience b. Specialized credentials c. Specialized training d. Feelings
Group medical practices are considered ambulatory facilities
Indicate whether the statement is true or false
Stimulation of Beta 1 adrenergic receptors results in all of the following EXCEPT:
A) positive inotrophy. B) positive dromotropy. C) positive chronotropy. D) negative automaticity.