Which of the following statements is true concerning radiographs and periodontal maintenance?
A) They are not needed during a maintenance visit.
B) They should be current.
C) They are adequate if within 2 years.
D) They are obtained based on judgment of the patient.
B
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Which of the following is defined as the percentage of blood volume occupied by erythrocytes?
A) Differential B) Hemoglobin C) Hematocrit D) Complete blood count (CBC)
Surgery may be performed on the musculoskeletal system for all of the following reasons EXCEPT:
a. reshape a structure. b. repair or stabilize by using orthopedic hardware. c. instill antibiotic for an infection. d. remove an abnormal growth.
A glass tube with a small diameter is placed in water. The liquid will continue to rise until:
A. the water flows out the top of the tube. B. the upward force is balanced by the air pressure. C. the upward force is balanced by the weight of the liquid in the tube. D. the adhesive force decreases.
"The 45-year-old patient had CP and was complaining of leg and arm pains." In this example, the abbreviation CP stands for:
A) cerebral palsy. B) cerebral perfusion. C) chest pain. D) unable to determine.