What is used to prepare the tooth for a crown?
a. Low-speed handpiece with diamonds and burs
b. High-speed handpiece with diamonds and burs
c. Either a or b
d. The teeth are not prepped for a crown
b
RATIONALE: A high-speed handpiece with diamonds and burs is used to prepare the tooth for a crown.
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The symbol that alerts the medical assistant that the code he or she has assigned to a procedure or service is a new code is the:
A) triangle. B) black circle. C) circle with inner dot. D) plus sign.
Which biological tissue has the lowest specific heat capacity?
A) bone B) subcutaneous adipose tissue C) skin D) muscle
Which of the following best describes positive expiratory pressure (PEP) therapy?
a. Expiration against a variable flow re-sistance b. Expiration against a fixed threshold re-sistance c. Inspiration against a variable flow re-sistance d. Inspiration against a fixed threshold re-sistance
Which of the following is the most appropriate action when encountering a visually impaired patient?
a. Rub the patient's back. b. Cough or say something aloud. c. Do not approach until your presence is known. d. Stand in front of the patient and touch lightly on the shoulder.