The List Exam 3

Question 1

Enterobius vermicularis

Answer 1

Euk. Diploid fungus.

Human body. Intestines, colon, mouth.
Can be pathogenic if immunity is lowered.
Skin and mucosae, sometimes lungs, blood heart, can be negatively affected.

Question 2

Schizosaccharomyces

pombe

Answer 2

Rod shaped unicellular eukaryote

Sugar containing fermentations of alcohol.
East Africa Beer
harmless

Question 3

Saccharomyces cerevisiae

Answer 3

Globular shaped fungi. Yeast

Alcohol and bread production.
Not normally a pathogen. Can cause flu like symptoms in very immunocompromised.
Model organism

Question 4

Rhizopus spp

Answer 4

Plant fungus, sometimes animal parasite.

Jellies, syrups
Some are opportunistic agents of human fungal infections
Complication of diabetic ketoacidosis

Question 5

Penicillium sp.

Answer 5

fungi

Food and drug production.
Antibiotics. Kills/inhibits growth of certain bacteria in body

Question 6

Coccidioides immitis

Answer 6

Fungus. Saprophytic and parasitic. Soil mold.

Spores easily airborne, few spore required for infection. Becomes a multinucleated sperule in host, not a yeast. Leukocyte respone in host
Lung infection in 60% of infected
Flu like symtpoms in other 40%

Question 7

Aspergillus spp

Answer 7

Molds. Asexual

Some can infect humans: ear, skin lesions, ulcers
Microbial fermentation: alcohol production
Citric acid

Question 8

Histoplasma capsulatum

Answer 8

Asexual fungal pathogen.

Asymptomatic to fatal. Lung disease (Histoplamosis/Darlings disease)
Soil and mammal hosts.
Severity depends on individual immune system
Flu like symtoms

Question 9

Plasmodium falciparum

Answer 9

Protozoan parasite

Malaria
Female mosquitos are vectors

Question 10

Giardia lamblia

Answer 10

Found by Van Leeunwenhoek in his diarrhea. 2 nuclei

G. lambila infection, severe diarrhea, malnutrition, weightloss, intestinal epithelial injury

Question 11

Trichomonas vaginalis

Answer 11

Parasitic protozoan

Infects urogenital tract of men and women
Non-virally transmitted disease… very widespread
Invades mucosa, leads to inflammation
More common in women because men are asymptomatic

Question 12

Leishmania donovani

Answer 12

Single celled parasitic protozoa

Transmitted by sandflies. Visceral leishmaniasis. Destroys host cells, enlargement of target organs, prolonged fever, decreased appitite, weightloss, enlargement of spleen and liver, cough, diarrhea, infected lymph nodes, chronic kidney disease.

Question 13

Trypanosoma cruzi

Answer 13

Protozoa

Chagas disease, spread through insects.
Digestive problems
Weakening of heart muscles

Question 14

Trypanosoma brudei

Answer 14

Parasitic eukaryote

Insect vector and mammalian host in blood African Sleeping sickness once it gets to CNS Demyelination due to autoimmune response Swelling of lymph nodes  Headaches, fevers, chancers, rashes, seizures, coma, death

Question 15

Entamoeba histolytica

Answer 15

Parasitic protozoa

Insects and digestive tract of humans and primates. Amebiasis disease
Diarrhea and abdomical pain. Sometimes amebic dysentery (stomach pain, blood and mucus in feces, fever)

Question 16

Toxoplasma gondii

Answer 16

Single celled protozoan parasite

Toxoplasmosis
1/3 of world population
non a threat if good immune system
fever, sore throat, headache, muscle pain, blindness, retinal infection.
Can make way to brain/nervous tissue. No toxins
Encephalitis, loss of brain function, schizophrenia if lyses happens in brain tissue

Question 17

Clonorchis sinensis

Answer 17

Parasite

Chinese liver fluke. Lives in liver, found in bile duct and gall bladder. Worm parsite.
Inflammation, abdominal pain, anorexia, weight loss, diarrhea, jaundice.

Question 18

Taenia seginata

Answer 18

Parasitic worm

Beef tapeworm. Causes taeniasis
Cattle are intermediate hosts
Weight loss, dizziness, abdominal pain, headaches, nausea, constipation, chronic indigestion, loss of appetitde.

Question 19

Taenia solium

Answer 19

Zoonotic parasite

Pork tapeworm. Pigs and humans
Intestinal infection is asymptomatic. In severe cases: anemia, indigestion, emaciation, loss of appetite,

Seizures, dementia, hypertension, increase in blood pressure.

Question 20

Echinococcus granulosus

Answer 20

Parasitic worm

Hyper tape worm/dog tapeworm. Can be ingested by humans, attaches to mucosa of intestines. Fecal matter of dogs. Can affect liver, lungs, brain. Abdominal pain, weight loss, yellow coloring, shortness of breath, chest pain.

Question 21

Ascaris lumbricoides

Answer 21

Nematode/parasitic worm

Giant roundworm. Infections due to poor sanitation. Often asymptomatic. May cause bloody septum, cough, fever, abdominal pain, intestinal ulcer, passing worms.

Question 22

Necator americanus

Answer 22

Parasitic worm

Hookworm. Lives in small intestine. Soil. Burrowing through skin, blood vessels, heart, get to lungs. Goal is to get swallowed and get to the small intestine. Blood loss in host.

Question 23

Ancylostoma duodenale

Answer 23

Parasitic worm

Hook worm. Soil transmitted enter skin.
Lungs-coughing
Anemia, hypothermia, tachycardia, gastrointestinal hemorrhage, congestive heart failure. Stunted growth in children due to iron deficiency.

Question 24

Enterobius vermicularis

Answer 24

Parasitic worm “pin worm”. Roundworm. Chimps. Itching in anal area. Ingested.