Which of the following describes a primary immune response?
A. It is a very rapid response.
B. The response is carried out by memory cells.
C. It takes several weeks and causes memory cells to develop.
D. It requires re-exposure to an antigen.
C. It takes several weeks and causes memory cells to develop.
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Which of the following would NOT be administered in the form of a medicated stick?
A) Antivirals B) Antibiotics C) Sunscreen D) General anesthetics
A patient was struck in the right upper arm with a baseball bat. Which of the following signs or symptoms indicates the highest probability that the humerus has been fractured?
A) Crepitus felt on palpation B) Pain to the right upper arm C) Deformity to the upper arm D) Decreased sensation in the right hand
Which of the following antibiotics is recommended for mild to moderate endodontic/odontogenic infections (e.g., absecesses)?
a. cephalosporin b. penicillin V c. metronidazole d. sulfonamides
When must quality control be performed when using a refractometer?
a. At the end of the day b. By comparing values with tap water c. Before testing each specimen d. At the beginning of each day