Question

Question 12 pts

Normal flora microbes inhabiting the upper respiratory tract can become pathogenic.

Group of answer choices

True

False

Flag this Question

Question 22 pts

Neutrophils are actively phagocytic and the most numerous of the leukocytes circulating in the blood.

Group of answer choices

True

False

Flag this Question

Question 32 pts

Shingles is a condition that develops with the reactivation of the latent varicella virus.

Group of answer choices

True

False

Flag this Question

Question 42 pts

An important function of Staphylococcus on the skin is to prevent colonization of pathogens.

Group of answer choices

True

False

Flag this Question

Question 52 pts

Endotoxins are integral parts of the outer membrane of the enteric (intestinal) bacteria.

Group of answer choices

True

False

Flag this Question

Question 62 pts

Humans are the only source for the common cold virus and close contact is needed for transmission.

Group of answer choices

True

False

Flag this Question

Question 72 pts

Inactivated vaccines retain the antigenic epitope.

Group of answer choices

True

False

Flag this Question

Question 82 pts

The epitope is the region of an antigen recognized by antibodies.

Group of answer choices

True

False

Flag this Question

Question 92 pts

Warts are caused by a virus contracted from exposure to amphibians or persons previously exposed to amphibians.

Group of answer choices

True

False

Flag this Question

Question 102 pts

Archea bacteria have peptidoglycan in their cell wall.

Group of answer choices

True

False

Flag this Question

Question 112 pts

Upon initial encounter, it takes nearly two weeks to produce detectable antibodies to an antigen.

Group of answer choices

True

False

Flag this Question

Question 122 pts

Antibiotic treatment can sometimes lead to opportunistic infections.

Group of answer choices

True

False

Flag this Question

Question 132 pts

The mucociliary escalator helps keep the lungs free of microorganisms.

Group of answer choices

True

False

Flag this Question

Question 142 pts

Opsonization enhances phagocytosis by coating a particle with either complement or antibodies.

Group of answer choices

True

False

Flag this Question

Question 152 pts

Natural passive immunity occurs when an antiserum, produced by other people or animals, is introduced into the body.

Group of answer choices

True

False

Flag this Question

Question 162 pts

Gram negative cells have a very thick layer of peptidoglycan surrounded by an outer membrane.

Group of answer choices

True

False

Flag this Question

Question 172 pts

Covid-19 can be described as a naked virus.

Group of answer choices

True

False

Flag this Question

Question 182 pts

Prokaryotes do not have membrane-bound organelles.

Group of answer choices

True

False

Flag this Question

Question 192 pts

In the Type I - Immediate IgE Mediated hypersensitivity, an individual can have a severe reaction upon initial exposure to an antigen.

Group of answer choices

True

False

Flag this Question

Question 202 pts

With the Type III secretion system, microbes 'inject' chemicals directly into the target cell.

Group of answer choices

True

False

Flag this Question

Question 212 pts

People with teeth may have Streptococcus mutans as part of their mouth flora.

Group of answer choices

True

False

Flag this Question

Question 222 pts

The disease Rocky Mountain Spotted Fever is transmitted by a biological vector.

Group of answer choices

True

False

Flag this Question

Question 232 pts

T-cells produce antibodies against specific antigens.

Group of answer choices

True

False

Flag this Question

Question 242 pts

T-cells never interact with free antigens, the antigen must be presented.

Group of answer choices

True

False

Flag this Question

Question 252 pts

Covid-19 transmission can be classified as transmission by droplet nuclei.

Group of answer choices

True

False

Flag this Question

Question 262 pts

If an antimicrobial targets peptidoglycan then it will have a low therapeutic index.

Group of answer choices

True

False

Flag this Question

Question 272 pts

The fixing of nitrogen is one of the vital activities carried out by bacteria.

Group of answer choices

True

False

Answer 1

Question 12 pts: True

Question 22 pts: True

Question 32 pts: True

Question 42 pts: True

Question 52 pts: True

Question 62 pts: False

Question 72 pts: True

Question 82 pts: True

Question 92 pts: True

Question 102 pts: False

Question 112 pts: True

Question 122 pts: True

Question 132 pts: True

Question 142 pts: True

Question 152 pts: True

Question 162 pts: False

Question 172 pts: False

Question 182 pts: True

Question 192 pts: True

Question 202 pts: True

Question 212 pts: True

Question 222 pts: True

Question 232 pts: False

Question 242 pts: True

Question 252 pts: False

Question 262 pts: False

Question 272 pts: True