MICR 290 FINAL EXAM AND PRACTICE WEST

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MICR 290 FINAL EXAM AND PRACTICE ( WEST

COAST UNIVERSITY) EXAM NEWEST 2025

ACTUAL EXAM COMPLETE 250 QUESTIONS

AND CORRECT DETAILED ANSWERS

(VERIFIED ANSWERS) |ALREADY GRADED A+

MICR 290 FINAL EXAM

Which of the following is a common feature of both botulism and tetanus?

• transmission by endospores
• a short incubation period
• flaccid paralysis
• availability of an effective vaccine - ANSWER-a.

transmission by endospores

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Recall that these diseases are caused by different species of Clostridium.

Diseases caused by which of the following are more prevalent in immunocompromised patients?

• Trypanosoma
• Cryptococcus
• prions
• Acanthamoeba - ANSWER-b. Cryptococcus

This pathogen is a type of fungus, and infection occurs in the late stages of AIDS when there is little immune function remaining.

Which of the following conditions is NOT treatable by active immunization?

• tetanus
• rabies 2 / 4

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• botulism
• All of these can be treated by active immunization. -

ANSWER-c. botulism

Active immunization would be useful only for a pathogen that slowly produces a toxin or one that replicates and slowly moves through tissues.

Which of the following accounts for the seasonal nature of arboviral encephalitis in the United States?

• mosquito life cycles
• use of contaminated swimming pools
• exposure to bird droppings
• air conditioning systems - ANSWER-a. mosquito life

cycles

Recall that arbovirus is short for "arthropod-borne virus."

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Why are infections of the central nervous system (CNS) so hard to treat?

• CNS infections progress rapidly and usually cannot be

treated quickly enough.

• Only antibiotic-resistant microbes can infect the CNS.
• Most antimicrobial drugs cannot enter the CNS very

easily.

• The CNS is damaged very easily by any kind of

infection. - ANSWER-c. Most antimicrobial drugs cannot enter the CNS very easily.

What is the mechanism used by the body to limit access of cells and compounds to the brain? What role might the blood-brain barrier play in this?

T or F

There is no known means of destroying prions. - ANSWER-False

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