Fungi 1
Unicellular, nonfilamentous fungi are known as ____.
A) Yeast
B) Flesh fungi
C) Mold
D) Mushroom
A) Yeast
Fungal infection is called ______.
A) myxomatosis
B) mycosis
C) microsporogenesis
D) trypanosomiasis
B) mycosis
The cytoplasm of protozoa is divided in 2 parts. How is the clear layer involved in locomotion, feeding, and protection called?
A) Endoplasm
B) Nucleoplasm
C) Ectoplasm
D) Explasm
C) Ectoplasm
Which of the following is the only pathogenic ciliates that cause gastrointestinal disease?
A) Giardia lamblia
B) Balantidium coli
C) Entamoeba histolytica
D) Trypanosoma brucei
B) Balantidium coli
The filaments of molds and fleshy fungi are referred to as ____.
A) spores
B) hyphae
C) sporangiospores
D) conidiospores
B) hyphae
Fungal infections that affects affect hair, skin, and nails are referred to as ______ mycoses.
A) Superficial
B) Subcutaneous
C) Cutaneous
D) Systemic
C) Cutaneous
Some protozoa show nuclear dimorphism. The macronucleus and micronucleus have separate genomes. The _____ controls metabolic and developmental functions; the _____ is necessary for reproduction.
A) macronucleus/micronucleus
B) micronucleus/macronucleus
A) macronucleus/micronucleus
Apicomplexan protozoa have a complex life cycle that generally includes 2 hosts. In the life cycle of Toxoplasma gondii, the cause of Toxoplasmosis, humans can serve as the ____.
A) Reservoir
B) Definitive host
C) Intermediate host
D) Intermediate and definitive host
C) Intermediate host
Regarding their nutritional characteristics, fungi are __.
A) photoautotrophs
B) photoheterotrophs
C) chemoautotrophs
D) chemoheterotrophs
D) chemoheterotrophs
Histoplasma capsulatum causes which type of mycosis?
A) Superficial
B) Subcutaneous
C) Cutaneous
D) Systemic
D) Systemic
A protective structure formed by certain protozoa under adverse conditions is called _____.
A) spore
B) endospore
C) trophozoite
D) cyst
D) cyst
Which group of helminths includes organisms such as flukes that often have leaf-shaped bodies?
A) Nematodes
B) Cestodes
C) Trematodes
D) Protozoa
C) Trematodes
Fungal spores ____
A) are identical to bacterial endospores
B) are released from the "parent" only after the parent dies
C) require moisture for survival
D) are necessary for reproduction
D) are necessary for reproduction
You observe large ( >10 micrometer) oval cells in a sputum sample from a patient. Your culture of the sample reveals fuzzy filamentous colonies. You conclude that _____.
A) the patient has a yeast infection
B) the patient has an infection caused by a dimorphic fungus
C) the patient has an infection with unusual algae
D) you contaminated the sample
B) the patient has an infection caused by a dimorphic fungus
Protozoa are traditionally classified based on the way they move. Which of the following use flagella?
A) Euglenozoa
B) Amoebas
C) Ciliates
D) Apicomplexa
A) Euglenozoa
Which of the following is NOT a characteristic of helminths?
A) Multicellular eukaryotic organisms
B) Possess a complete digestive system in all species
C) May require intermediate hosts for part of their lifecycle
D) Often have complex reproductive strategies
B) Possess a complete digestive system in all species.
Fungi primarily produce two types of asexual spores: conidiospore and sporangiospores. One of their main differences is that conidiospores do not develop within a sac.
A) True
B) False
A) True
Infection by ringworm is caused by a(n) ________.
A) fungus
B) cestode
C) nematode
D) protozoan
A) fungus
Which of these answers is true of the Apicomplexa?
A) The mature forms are motile by way of flagella.
B) The mature forms are motile by way of cilia.
C) Each organism typically has a single host.
D) Possess at one end complex of organelles containing enzymes used in penetrating host tissue
D) Possess at one end complex of organelles containing enzymes used in penetrating host tissue
Which of the following statements is true regarding the life cycle of Schistosoma spp.?
A) Humans are the intermediate host
B) Infection occurs via ingestion of contaminated food
C) The infective cercariae penetrate human skin
D) The adult worms reside in the lung
C) The infective cercariae penetrate human skin