Which of the following is the most common cause of chronic bronchitis?
a. Over-consumption of alcohol
b. Cigarette smoking
c. Insufficient mucous production
d. Mineral deficiency
ANS: B
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During which trimester can a maternal infection cause visual abnormalities, as well as ear problems, including sensorineural hearing loss?
A. First B. Second C. Third D. All of these
What do you think the pros and cons are of hiring a marketing firm to prepare a clinic's marketing plans?
What will be an ideal response?
Polycarboxylate cement is used
as a liner. to cement permanent restorations. as a core buildup material. as a base.
A patient with a history of hepatitis C has called 911 because he has a headache. Given the complaint and medical history, which personal protective equipment is most appropriate?
A) Goggles B) Gloves C) Gloves and gown D) No protection is needed.