Course

Microbiology

Study Pack

Set 12 Flaviviruses

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Question 1

(Multiple Choice)

Free
Which of the following describes the phenomenon of antibody-dependent enhancement?

A) Antibodies bound to a flavivirus particle allows entry into a cell via the Fc receptor.
B) Antibodies bound to the host cell receptor make it unable to bind a flavivirus particle.
C) Antibodies bound to infected cells cause the immune system to kill them.
D) Antibodies bound to a flavivirus particle allow it to be removed by the immune system.
E) The overproduction of antibodies during a flavivirus infection

Answer

Question 2

(Multiple Choice)

Free
How was Yellow Fever Virus introduced into the New World from Africa?

A) Infected animals were imported.
B) Tires containing infected mosquitoes were imported.
C) Migrating birds brought it.
D) It came over on slave trading ships.
E) Walter Reed released it from a laboratory.

Answer

Question 3

(Multiple Choice)

Free
Flavivirus virions obtain their envelopes from the cellular membranes of which of the following organelles?

A) Endoplasmic Reticulum
B) Nucleus
C) Golgi apparatus
D) Plasma membrane
E) Mitochondria

Answer