How does Rickettsia rickettsii damage blood vessels? (NCLEX/HESI/TEAS)
a. It blocks blood vessels and causes vessel inflammation.
b. It releases a toxin that destroys blood vessels.
c. It causes sepsis and septic shock, which damages blood vessels.
d. It avoids antibodies by binding to blood vessel surfaces.
e. It infects the epithelial cells of the vessels.

What effect would AIDS have on latent coinfections?

a. None at all.

b. Latent infections may become reactivated.

c. Latent infections would turn into asymptomatic infections.

d. Opportunistic pathogens could easily be reactivated.

e. Latent infections would turn into opportunistic infections.

A reverse transcriptase antiviral medication is administered for human T cell leukemia virus (HTLV)–infected patients.

a. True

b. False

Why is endocarditis not transmissible from person to person?

Identify the zoonotic disease:

a. HTLV lymphoma

b. Systemic candidiasis

c. Mucormycosis

d. Plague

e. Endocarditis

How does draining standing water reduce the incidence of malaria, dengue fever, yellow fever, Zika, and chikungunya?

Which Plasmodium life stage infects the liver?

a. Sporozoite

b. Merozoite

c. Gametocyte

d. Sexual stage

e. Vector stage

Which of the following would be considered a sign of a disease or infection?

Diseases or infections that can be transmitted from one individuals to another are categorized as what types of diseases?