Eukaryotes

Question 1

What type of inflammatory rxn?

Multicellular parasites

Answer 1

Eosinophilic

Question 2

What type of inflammatory rxn? Protozoans

Answer 2

Lymphocytic

Question 3

What type of inflammatory rxn? Fungi

Answer 3

Granulomatous

Question 4

What are the two forms of fungi?

Answer 4

• Yeast - round, often budding

- Hyphae - elongate, filamentous, often branching

Question 5

What form of fungus predominates at lower temps and superficial sites of infection?

Answer 5

Hyphae

Question 6

What form of fungus predominates at higher temps and deep sites of infection?

Answer 6

Yeast

Question 7

What stain is used for fungi? What color are they with this stain?

Answer 7

GMS - fungi are black on green bkgd

Question 8

What fungal infection causes athlete’s foot and jock itch? What form of fungus is it?

Answer 8

Dermatomycosis

Hyphae (superficial infection)

Question 9

What surfaces do superficial infections involve?

Answer 9

Skin, mucosa of GI or GU systems

Question 10

What is thrush?

Answer 10

Candida infection of mouth or pharynx affecting mucosa of GI

Question 11

What surfaces do deep fungal infections involve?

Answer 11

Viscera

Question 12

Cryptococcus - deep or superficial fungal infection?

Answer 12

Deep

Question 13

What does cryptococcus have as a defense against immune system?

Answer 13

Capsule

Question 14

Coccidioidomycosis - deep or superficial fungal infection?

Answer 14

Deep

Question 15

How is coccidioidomycosis infection acquired?

Answer 15

Inhaled - infects lungs first, then spreads to other organs

Question 16

What fungal infection involves small intracellular yeast forms

Answer 16

Histoplasmosis

Question 17

Immunocompromised individuals are prone to _____ _____fungal infection.

Answer 17

Deep visceral

Question 18

T or F. Protozoans can be extracellular OR intracellular.

Answer 18

T

Question 19

Protozoans have a prominent _____ and _____ except for intracellular forms b/c they’re too little.

Answer 19

nucleus, nucleolus

Question 20

What protozoan often causes disease in immunosuppressed patients?

Answer 20

Toxoplasmosis

Question 21

What type of organism causes African sleeping sickness?

Answer 21

Protozoans

Question 22

What is the name of the organism that causes Chagas/Trypanosomiasis?

Answer 22

T. cruzi - intracytoplasmic protozoan

Question 23

What are metazoans?

Answer 23

Multicellular eukaryotic organisms- parasites!

Question 24

Name four examples of parasitic worms (endoparasites).

Answer 24

• Tapeworms (intestinal parasites) that can enter systemic circulation - cysticercosis
• Flatworms
• Thread-like worms
• Flukes (Shistosomiasis)

Question 25

Name three examples of surface parasites (ectoparasites).

Answer 25

Ticks, fleas, lice

Question 26

T or F. Metazoans are easier to treat if on surface (skin) or in GI tract

Answer 26

T

Question 27

What treatment options are there for metazoans?

Answer 27

Insecticides on skin, anti-helminthic drugs that paralyze parasite in GI tract

Question 28

What pig tapeworm may infect the brain and other organs and is a common cause of epilepsy in Central/SA and India?

Answer 28

Neurocysticercosis