Antibodies against streptolysin O, hyaluronidase, and DNase B are measured in the diagnosis of which disease?
A. Streptococcal pharyngitis
B. Acute rheumatic fever
C. Rheumatoid arthritis
D. Systemic lupus erythematosus
Ans: B. Acute rheumatic fever
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This mammal has forward facing eyes, can
rotate its front limbs 360 degrees, nails instead of claws, and hair. This animal is
a. an orangutan. b. a rat. c. a lemur. d. a bird. e. more than one of these
With __________, a chemical substance is passed
from organisms at each trophic level to those above and becomes increasingly concentrated in body tissues. Fill in the blank(s) with the appropriate word(s).
During which cell cycle phase(s) are chromosomes composed of two DNA molecules?
A) G2 B) G1 C) anaphase D) Answers (A) and (B) are correct. E) Answers (A), (B), and (C) are correct.
Enteric hepatitis is fatal for 20% of people in which of the following groups?
A) infants under the age of 1 year B) teenagers C) young adults D) pregnant women E) elderly men