Which type of laser is most effective at coagulation?
a. CO2 laser
b. Ho:YAG
c. KTP
d. Nd:YAG
ANS: D
The continuous or pulsed wave of the Nd:YAG laser penetrates deeper into tissues than do other lasers. It coagulates large vessels up to 4 mm and has the most powerful coagulating action of all the surgical lasers.
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Which of the following defines the "American Medical Association"?
A. The administrative branch of the U. S. Department of Health and Human Services responsible for oversight, guidelines, regulation, payment of services, coverage policies, and many other aspects of organized healthcare B. The standardized collection of numeric and alphanumeric codes that identify and describe the healthcare service provided to the patient C. The largest, nonprofit professional organization for physicians and medical students in the United States D. Standardized requirements for medical documentation of evaluation and management services
The pulmonary arterial circulation does which of the following? 1. Delivers oxygenated blood back to the heart. 2. Delivers deoxygenated blood to the lungs. 3. Originates on the left side of the heart. 4. Originates on the right side of the heart
a. 1 and 4 only b. 2 and 4 only c. 1 and 3 only d. 2 and 3 only