This is a thin membrane that covers the opening to the inner ear and passes vibrations to the cochlea:
A) stapes.
B) incus.
C) tympanic membrane.
D) oval window.
Answer: D
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Which type of wound has a small opening into the skin, but may be quite deep, and is often caused by instruments such as nails, ice picks, or pencils?
A) Puncture B) Incision C) Laceration D) Avulsion
For treatments or procedures that can require multiple visits, the medical biller should:
a. read the insurance policy before billing the claim. b. bill for all visits regardless of coverage. c. ensure that the physician is aware of the number of visits allowed in the patient's insurance plan for this condition. d. check to make sure that no preexisting condition clauses apply to this type of treatment.
Muscle artifact is seen most often in
A) leads whose positive electrode is on the right leg. B) the precordial leads. C) the limb leads. D) leads whose negative electrode is on the right arm.
In which disorder is airflow to the lungs limited and do the alveoli become enlarged?
A. Allergic rhinitis B. Asthma C. Pneumonia D. Tuberculosis E. COPD