The objective, measurable evidence of disease evaluated by an observer is termed a/an ________.
A. inflammation
B. symptom
C. sign
D. syndrome
E. pathology
Answer: C
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Inflammation generally results when tissues become damaged and ________ cells respond by releasing histamine
Fill in the blank(s) with correct word
Homo rudolfensis's brain volume is
A. 1000 cm3. B. 400-550 cm3. C. 680 cm3. D. 750 cm3.
Which of the following statements concerning tetanus is FALSE?
A) Its only source is from deep puncture wounds from rusty nails. B) Its toxin causes simultaneous contraction of both muscles in an antagonistic pair. C) It is a small, motile, obligate anaerobe. D) It produces a terminal endospore that gives the cell a distinctive "lollipop" appearance. E) Its diagnostic feature is characteristic muscle contractions, which are often noted too late to save the patient.