The ________ muscle pulls the corners of the mouth upward.
A. zygomaticus
B. orbicularis oculi
C. orbicularis oris
D. frontalis
Answer: A
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Which ion rushes out of the cell during repolarization?
A) Calcium B) Magnesium C) Sodium D) Potassium
Coding burns using ICD-10-CM will be different from coding burns using ICD-9-CM. Why?
a. There are no difference between ICD-9-CM and ICD-10-CM when coding burns. b. ICD-10-CM makes a distinction between burns and corrosions. Burns are classified by heat source, electricity, and radiation. Corrosions are burns due to chemicals. c. ICD-10-CM has no codes to show the extent of the body surface involved. d. None of the above.
In a medical practice, the most widely used computer application is
A) appointment scheduling software. B) insurance claim completion software. C) electronic claim transmission software. D) financial management software.
When treating an unresponsive man who was struck by lightning, you should:
A) begin CPR at once if he is apneic and pulseless. B) apply full spinal precautions before moving him. C) ensure that you and the patient are in a safe place. D) manually stabilize his head and open his airway.