MBIO 3400 Exam 3 - Review Questions with verified answers A+ rated

MBIO 3400 Exam 3 - Review Questions with verified answers A+ rated




MBIO 3400 Exam 3 - Review
Questions with verified answers A+
rated




bravelradon
BRAVELRADON

, MBIO 3400 Exam 3 - Review Questions with verified answers
A+ rated
1. The most frequently used portal of entry
for pathogens is the Answer: A) mucous
A) mucous membranes of the respiratory tract. mem- branes of the
B) mucous membranes of the gastrointestinal respiratory tract.
tract.
C)skin.
D) parenteral route.
E)All of these portals are used equally.
Answer: B) B) the dose
2. The ID50 is
that will cause an
A) a measure of pathogenicity.
infection in
B)the dose that will cause an infection in 50 percent of 50 percent of the test
pop-
the test population. ulation.
C)the dose that will kill some of the test
population.
D) the dose that will cause an infection in some of
the test population.
E)the dose that will kill 50 percent of the test
popula- tion.

3. All of the following contribute to a pathogen's invasive- Answer: A) toxins.
ness EXCEPT
A) toxins.
B) capsules.
C)cell wall components.
D) hyaluronidase.
E)coagulases.

4. Innate immunity Answer: B) is
A) is slower than adaptive immunity in responding nonspecific and
to pathogens.
present at birth.
B) is nonspecific and present at birth.
C)involves a memory component.
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