8 - Viruses

Question 1

Virus

Answer 1

small intracellular parasite, require living host cell to replicate

Question 2

Latent stage

Answer 2

some viruses enter host cells, but do not replicate until later

Question 3

Mutate

Answer 3

viruses tend to change slightly during replication
(makes it difficult for antibodies or vaccines to work on
viruses) i.e. incorrect “recipe” to destroy the virus

Question 4

Chlamydiae, Rickettsiae & Mycoplasms

Answer 4

divide by binary fission like bacteria, require living host cell like viruses

Question 5

Chlamydiae

Answer 5

STD, host cell to replicate, PID and sterility in females

Question 6

Mycoplasmas

Answer 6

Lack cell wall, not affected by antimicrobial drugs, common cause of pneumonia

Question 7

Fungi

Answer 7

Eukaryotic, yeast/molds, reproduce via spore, cell wall

Question 8

Protozoa

Answer 8

Eukaryotic, unicellular, live on dead organic material or parasitic

Question 9

Pathogenic Protozoa

Answer 9

Trichomonas vaginalis
Entamoeba histolytica
Toxoplasma Gondii
Plasmodium

Question 10

Worms

Answer 10

Eukaryotic, multicellular