Who has the primary responsibility for maintaining a healthy and safe environment at the building level?
A. playground attendants
B. principal
C. superintendent
D. teachers
Answer: B
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Rapid immunological assays for Group A Streptococcus pyogenes antigen have a sensitivity of
about 60% to 80% and a specificity of about 90% to 95% in pharyngitis infections. Given these data, which strategy below is optimal? A) Do preliminary screening with a throat culture and follow up positive results with a rapid antigen test. B) Do preliminary screening with a rapid antigen test and follow up negative results with a throat culture. C) Do preliminary screening with a rapid antigen test and follow up positive results with a throat culture. D) Do preliminary screening with a throat culture and follow up negative results with a rapid antigen test. E) Simultaneously test all specimens with both rapid antigen screening and culture.
The National Cholesterol Education Program recommends that all adults, beginning at age 20, have their lipoproteins measured at least once every
A. year. B. 2 years. C. 4 years. D. 5 years.
Word part meaning within:
A) -ecto B) endo- C) extra- D) infra-
Drugs that produce loss of sensation throughout the entire body:
a. Sedatives b. Anticonvulsants c. Analgesics d. Tranquilizers e. Anesthetics