In fetal development, the ________ allows blood to bypass the liver.
A. ductus venosus
B. amnion
C. pulmonary trunk
D. foramen ovale
E. ductus arteriosus
Answer: A
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Which of the following is NOT considered a typical charge for surgery performed in a physician's office?
a. Local anesthesia b. Medication c. Surgical trays d. Utilities charges
The QRS complex of ventricular rhythms is usually equal or greater than ________ seconds.
A. 0.04 B. 0.08 C. 0.12 D. 0.02
An intraoral examination consists of all of the following except which choice?
the dentist examining the patient's tonsils the dentist examining facial symmetry the dentist examining the patient's tongue the assistant observing and recording existing restorations
A ____ is a three-digit code in the ICD-9-CM manual that represents a single disease or a group of closely related conditions.
A. section B. category C. subcategory D. subclassification