Question 24 (5 points) Question 24 options: Put the correct term in the correct

Question

Question 24 (5 points)

Question 24 options:

Put the correct term in the correct description.

(Incidence, prevalence, sporadic, endemic, epidemic, morbidity, mortality)

The red line on the above graph represents the

of HIV and the blue bars on the graph (shown vertically) represents the

of HIV.

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Question 25 (2 points)

Which of the following is an example of a sub-clinical diseae?

Question 25 options:

strep throat

Herpes

Meningitis

Shigellosis

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Question 26 (2 points)

In the pyrogenic respose, gram positive bacteria release exotoxins that trigger the phagocytes to release cytokines which signal the hypothalamus.

Question 26 options:

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Question 27 (2 points)

A pediatric patient has been on long term antibiotic therapy after suffereing from rickettsiainfection. Due to their treatment, they have begun to develop a candidas albicans infection in their mouth and their teeth have developed a brownish tint. Which of the following classes of antibiotics was the patient most likely being treated with?

Question 27 options:

A)

B)

C)

D)

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Question 28 (2 points)

Which of the following is not a form of direct damage done to a host cell by bacterial infection?

Question 28 options:

rupture

induced phagocytosis

siderophore production

toxin production

strep throat

Herpes

Meningitis

Shigellosis

Explanation / Answer

24 The red line shows mortality rate,ie the number of deaths which have occured in the society due to AIDS

The blue line shows morbidity ,which is the condition of being in a diseased state.since those people were badly infected with ADS.

25.a Subclinical diseases usually do not present any identifiable symptoms.They remain asymptomatic.Strepthroat usually shows fewer symptoms that it remains unrecognized.

26 .False .In pyrogenic response Gram Negative Bacteria is ingested by phgocytes and they release Lipid A causing macrophages to produce cytokinines,which are carried via blood to hypothalamus andfinally prostaglandins are released causing fever.doesnt cause staining

27.b Tetracycline is the first line of drug used for treating infections like ricketssia.short term use of tetracyclines with low dose doesnt cause much staining.But if used for a long period result in brownish staining of the teeth.

28 c Siderophore does not damage host cell ,as they are iron-chelating compounds to transport iron across cell membranes.

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