Which of the following is an acceptable alternative to handwashing prior to phlebotomy procedures?
A) wearing gloves
B) using extremely diluted bleach
C) foam or cream disinfectants
D) none of the above
Answer: C
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Which of the following is the most likely diagnosis in the newborn with severe cyanosis at birth?
a. Persistent pulmonary hypertension b. Tetralogy of Fallot c. Transposition of the great vessels d. Ventricular septal defect
Carla was putting away a shipment of laboratory chemicals when she noticed that a bottle of formaldehyde was leaking. The liquid ran down her arm while she was taking the bottle to the laboratory sink. Almost immediately, her arm became red and irritated. She asks you what she should do. If you are not familiar with the emergency first aid steps for a formaldehyde exposure, what is the first thing you should do?
A. Use a lab towel to wipe her arm dry B. Consult the MSDS to find appropriate first aid measures for formaldehyde C. Tell Carla to take the rest of the day off and rest her arm D. Send Carla to the Emergency Room at the nearest hospital E. Pour alcohol over her arm to relieve the irritation
Sealants are ____________
a. chemically cured b. light cured c. self-cured d. a and b
The following fluoride can etch porcelain veneers:
acidulated phosphate sodium fluoride systemic fluoride stannous fluoride