Exam 15: Parasitism and Infectious Diseases

What does the S-I-R model characterize for infectious diseases?

Vertical transmission of parasites is

Malaria in humans and animals is caused by

Unlike predators, most parasites do not kill their hosts. Why is this beneficial?

Which of the following is NOT an assumption of the S-I-R model?

Which species is a reservoir for Borrelia burgdorferi, the bacterium that causes Lyme disease?

Because of its relationship with its host, the ectoparasite has

A parasite moving between individuals other than parents and their offspring uses _____ transmission.

(Figure 15.15) In the figure showing dynamics of an infected population over time, what the curves A, B, and C represent?

In S-I-R models of infectious disease transmission, R represents _____ individuals.

Which of the following statements is NOT true about the endoparasite life cycle?

When parasites require a series of hosts to complete their life cycle, they often evolve adaptations that

Organisms that produce antibacterial or antifungal chemicals have developed this ability as the result of

Diseases such as HIV and African sleeping sickness can avoid the host's immune system by

Which of the following is NOT an example of horizontal transmission through a vector?

The amphibian pathogen the chytrid fungus does not fit the S-I-R model because

In S-I-R models, which of the following does NOT determine the proportion of S, I, and R individuals in a population?

What types of endoparasites replicate by altering their host's proteins and do not contain any nucleic acids?

Mice infected with Toxoplasma gondii are often attracted to bobcat urine. This is an example of

Which of the following diseases has the highest R₀ value?