A needlestick is an example of
A) direct contact.
B) droplet transmission.
C) indirect contact transmission by fomite.
D) direct biological transmission by vector.
E) vehicle transmission.
C
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The tendency of toxins to accumulate in top predators is called biological ________.
A. mitigation B. magnification C. concentration D. remediation
All staphylococci are coagulase positive
Indicate whether this statement is TRUE or FALSE.
Suppose that in plants, smooth seeds (S) is dominant to wrinkled seeds (s) and tall plants (T) is dominant to short plants (t). An F1 tall plant with smooth seeds was crossed to a parent plant that was short and wrinkled. What proportion of the progeny is expected to be heterozygous for tall and smooth?
A) 1/2 B) 1/4 C) 1/8 D) 1/16 E) 0
Which of the following is NOT an adaptation needed for living on land?
a. egg shell b. internal fertilization c. skeletal system and muscles d. external respiratory surfaces e. embryo development within the female