CH12: Eukaryotes: Fungi, Algae, Protozoa and Helminths

158 terms by robynwheeler1111 

Create a new folder

Advertisement Upgrade to remove ads

Microbiology: An Introduction 11th edition Tortora

Yeast infections are caused by

A) Candida albicans
B) Stachybotrys

Candida albicans.

Candida albicans yeast infections may occur in the mouth as thrush or as vulvovaginal candidiasis in females.

Which mode of nutrition do fungi possess?

A) chemoheterotrophs
B) photosynthesizers

chemoheterotrophs.

Fungi require organic compounds for energy and carbon

Fungi that infect only the epidermis, hair, and nails are

A) dermatophytes
B) yeasts

dermatophytes.

Dermatophytes secrete keratinase, which digests keratin found in hair, nails, and skin

Which of these is a neurotoxin produced by diatoms?

A) domoic acid
B) carrageenan

domoic acid.

Domoic acid causes memory loss and diarrhea when ingested

Under certain adverse conditions, some protozoa produce a protective capsule. Is this a

A) spore
B) cyst

cyst.

A cyst permits the organism to survive when food, moisture, or oxygen are lacking

Entamoeba histolytica belongs to which group?

A) helminths
B) protozoa

protozoa.

This protozoan is the cause of amoebic dysentery

Which type of organism is Toxoplasma gondii?

A) a protozoan parasite
B) a helminth

a protozoan parasite.

Toxoplasma gondii is a protozoan parasite that can infect cats as well as humans

What is the name of the motile, feeding stage that all protozoa have?

A) a trophozoite
B) a cyst

a trophozoite.

The trophozoite feeds upon bacteria and small particulate nutrients

Which type of host is an organism that harbors the adult, sexually mature form of a parasite?

A) the definitive host
B) the intermediate host.

the definitive host.

The definitive host harbors the sexually mature form of a parasite and the intermediate host is the host in which the parasite undergoes asexual reproduction

True or False

Trichinellosis can be transmitted by eating contaminated pork

true

True or False

Algin is a neurotoxin produced by some dinoflagellates

false

Which is transmitted by the Anopheles mosquito?

A) malaria
B) West Nile virus

malaria

Which type of organism is a nematode?

A) fungus
B) a helminth.

a helminth

Which parasitic helminth lives near the anus of infected children?

A) Enterobius vernicularis
B) Trichinella spiralis

Enterobius vernicularis

Ciguatera is caused by

A) a tick bite
B) a dinoflagellate neurotoxin

a dinoflagellate neurotoxin

What is another name for a fungal disease?

mycosis

In fungi, what is a mass of hyphae called?

mycelium

What is the gas-filled bladder that helps algae float in the water called?

pneumatocyst

What reproductive structure do fungi form?

spores

Which of the following eukaryotic microorganisms are always unicellular?

A. algae
B. lichens
C. fungi
D. protozoa

protozoa

Which of the following diseases is NOT transmitted to humans by an arachnid vector?

A. Lyme disease
B. Rocky Mountain spotted fever
C. babesiosis
D. malaria

malaria

Your roommate tells you that the maple syrup has bacterial growth. Without looking, you suspect the growth is actually a fungus. Why?

A. Fungi can metabolize wood.
B. Bacteria do not grow on sugar.
C. Maple syrup has a high osmotic pressure.
D. Fungi are usually aerobes.

Maple syrup has a high osmotic pressure

The following stages occur during the life cycle of a helminth. Which hatches from the egg?

A. metacercaria
B. miracidium
C. cercaria
D. redia

miracidium

A cercaria is a larva of a __________.

A. nematode
B. protozoan
C. cestode
D. trematode

trematode

Insects that transmit diseases from one host to another are called __________.

A. definitive hosts
B. complete hosts
C. vectors
D. intermediate hosts

vectors

In the life cycle of Toxoplasma gondii, humans can serve as the __________.

A. intermediate host
B. reservoir
C. definitive host
D. both the definitive host and the intermediate host

intermediate host

Which of the following is a fungal infection that spreads throughout the body?

A. cutaneous mycosis
B. athlete's foot
C. superficial mycosis
D. systemic mycosis

systemic mycosis

Which of the following best describes a definitive host?

A. the host in which an organism spends most of its life
B. the host in which the organisms undergoes sexual reproduction
C. the host in which the eggs hatch
D. the host in which the organism undergoes asexual reproduction

the host in which the organisms undergoes sexual reproduction

Red tide" is caused by a proliferation of __________.

A. red algae
B. diatoms
C. green algae
D. dinoflagellates

dinoflagellates

True or False

Members of a fungal phylum are characterized by a specific type of sexual spore

True

True or False

Most plants benefit from symbiotic fungal partners

True

True or False

All fungi produce both asexual spores and sexual spores

False

True or False

The phylum Platyhelminthes contains the cestodes and trematodes

True

True or False

Nematodes are always intestinal parasites

False

A new soil microorganism has been described. On some growth media, it forms colonies of unicellular organisms; but under certain conditions it forms long, multicellular filaments and spores. The cells have nuclei, and their cell walls are composed of chitin. To which of the following groups does this new organism belong?

A. bacteria
B. fungi
C. archaea
D. algae
E. protozoa

fungi

Unicellular, nonfilamentous fungi are known as ________.

A. yeasts
B. fleshy fungi
C. molds
D. mushrooms
E. algae

yeasts

All of the following answers are true of the fungi except ________.

A. they can grow in high concentrations of sugars and salts
B. they are capable of metabolizing complex carbohydrates found in newspaper and wood
C. diseases caused by fungi are called mycoses
D. identification of fungi usually involves examination of spore types
E. they are strict aerobes

they are strict aerobes

Fungi are ________.

A. lithotrophs
B. photoautotrophs
C. chemoautotrophs
D. chemoheterotrophs
E. photoheterotrophs

chemoheterotrophs

Fungal spores ________.

A. are as resistant to extreme environmental conditions as bacterial endospores are
B. require moisture for survival
C. are considered "reproductive" spores
D. are released from the "parent" only after the parent dies
E. include only sexual spores

are considered "reproductive" spores

All of these answers are true of yeasts except ________.

A. some reproduce by budding
B. they are capable of facultative anaerobic growth
C. they produce colonies that are similar to bacterial colonies.
D. some are used to produce ethanol in wine and beer making
E. they always cause disease

they always cause disease

Which of the following is not involved in the production of sexual spores in fungi?

A. nuclear fusion
B. nuclear migration
C. fragmentation
D. contact between two fungi
E. meiosis

fragmentation

Which of these answers is true for the trematodes?

A. They live exclusively in the host's intestinal tract.
B. They may have more than one intermediate host.
C. They have long, flat, segmented bodies.
D. They often lack reproductive systems.
E. They are classified in the Phylum Nematoda

They may have more than one intermediate host

You observe large (> 10 μm) 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 protozoan infection
B. the patient has an infection with unusual algae
C. the patient has an infection caused by a dimorphic fungus
D. the patient has a yeast infection
E. you contaminated the sample

the patient has an infection caused by a dimorphic fungus

You are an epidemiologist studying an emerging disease reported over the past 3 years in Wisconsin, Minnesota, and Michigan. You have noticed a seasonal pattern of disease, with new cases appearing in late April through September and peaking in July. No new cases appear during late fall or the winter months. This pattern is suggestive of ________.

A. disease caused by a pathogenic algae
B. disease caused by a parasitic protozoa
C. disease caused by a temperature-sensitive bacterium
D. disease transmission by an arthropod vector such as a mosquito or tick
E. disease caused by a temperature-sensitive virus

disease transmission by an arthropod vector such as a mosquito or tick

Fungi that produce only asexual spores are called

anamorphic

The filaments of molds and fleshy fungi are referred to as .

mycelium

An arthropod that transmits pathogenic microbes to a host is known as a/an .

vector

Trematodes are also known as .

flukes

Term used for all filaments of a mold.

A. hyphae
B. Conidium
C. Mycelium
D. Substrate

Mycelium

What is the substance that a fungus grow on

A. Conidium
B. Mycelium
C. Substrate
D. Filamentous

Substrate

Filaments that look like roots

A. Vegatative hyphae
B. Reproductive hyphea
C. Conidium
D. Mycelium

Vegatative hyphae

Stalk like filaments that stick up over the substrate

A. Vegatative hyphae
B. Reproductive hyphea
C. Conidium
D. Mycelium

Reproductive hyphea

Also known as aerial hyphae

A. Vegatative hyphae
B. Reproductive hyphea
C. Conidium
D. Mycelium

Reproductive hyphea

What produces asexual spores

A. Vegatative hyphae
B. Reproductive hyphea
C. Conidium
D. Mycelium

Conidium

True/False

Fungal spores are the same as bacterial spores

False

Where are conidium found

A. within the substrate
B. on top of the vegatative hyphae
C. on top of the reproductive hyphae
D. Within a fungus

on top of the reproductive hyphae

Reproductive Hyphae

What is B?

Vegatative Hyphae

What is C?

Substrate

What is D?

Conidium

What is A?

B, reproductive hyphae

Which one is known as Aerial Hyphae?

A, conidium

Produce asexual spores?

B, Reproductive hyphae

Produces reproductive structures called conidium?

D, substrate

Substance that fungus is growing on?

C, vegatative hyphae

Secretes enzymes to digest the nutrients in the substrate?

Fungi

This is a picture of what?

What are the dividing walls in the hyphae called

A. Conidium
B. Thallus
C. septate
D. karyogamy

septate

Responsible for food spoilage and disease in plants and humans.

A. Protozoa
B. Helminths
C. Fungi
D. Arthropods

Fungi

What is a plant that depends on symbiotic fungi

A. Plasmagany
B. Karyogamy
C. Mycelium
D. Mycorrhizae

Mycorrhizae

Planospore

Blastospore

Penicillium

This is a diagram of

A. Sacccharomyces cerevisiae
B. Rhizopus nigricans
C. Mildew
D. Penicillium

Conidiospore

This is a diagram of

A. Arthrospore
B. Chlamydospore
C. Conidiospore
D. Planospores

Exospores formed on the outside of the conidium

A. Arthrospore
B. Chlamydospore
C. Conidiospore
D. Planospores

Conidiospore

Which spore forms within the conidium

A. Arthrospore
B. Aplanospore
C. Conidiospore
D. Planospores

Aplanospore

Rhizopus nigricans

This is a diagram of

A. Sacccharomyces cerevisiae
B. Rhizopus nigricans
C. Mildew
D. Penicillium

Sacccharomyces cerevisiae

This is a diagram of

A. Sacccharomyces cerevisiae
B. Rhizopus nigricans
C. Mildew
D. Penicillium

Hyphae

Where is this spore forming

A. conidium
B. Hyphae
C. Bud

Mildew

This is a diagram of

A. Sacccharomyces cerevisiae
B. Rhizopus nigricans
C. Mildew
D. Penicillium

Arthrospore

This is a diagram of:

A. Arthrospore
B. Chlamydospore
C. Conidiospore
D. Planospores

Chlamydospore

This is a diagram of:

A. Arthrospore
B. Chlamydospore
C. Conidiospore
D. Planospores

Smut fungi

This is a diagram of

A. Smut fungi
B. Rhizopus nigricans
C. Mildew
D. Penicillium

A, Blastospore

Which one is a Sacccharomyces cerevisiae?

B, Planospore

Also known as Zoospore?

C, Conidiospore

Which one is Penicillium?

A, Blastospore

Which one is yeast buds?

C

Which one is Conidiospore?

A

Which one is Blastospore?

B

Which one is a Planospore?

B, Chlamydospore

Which one is Smut Fungi?

A, Arthrospore

Which one is mildew?

A

Which one is a arthrospore?

B

Which one is a Chlamydospore?

All of these are asexual spores EXCEPT:

A. Conidiospore
B. Chlamydospore
C. Blastospore
D. Ascospores

Ascospores

All of the following are sexual spores EXCEPT:

A. Ascospores
B. Blastospore
C. Zygospores
D. Basidiospore

Blastospore

Sexual spores form by doing all of the following EXCEPT:

A. Two hyphae grow together and fuse
B. Spores formed by fusion of male and female strains
C. Spores formed by partitioning of hypha or forming special structures.

Spores formed by partitioning of hypha or forming special structures.

Asexual spores form by doing all of the following EXCEPT:

A. Two hyphae grow together and fuse
B. One mold or fungus will divide an area
C. Spores formed by partitioning of hypha or forming special structures.
D. Spores are formed by budding

Two hyphae grow together and fuse

sac fungi

Also known as:

A. Algal fungi
B. Club fungi
C. imperfect fungi
D. sac fungi

Ascomycota

Also known as:

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Basidiomycota

Also known as:

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Club fungi

Also known as:

A. Algal fungi
B. Club fungi
C. imperfect fungi
D. sac fungi

Algal fungi:

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Zygomycota

Sac fungi:

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Ascomycota

Club fungi:

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Basidiomycota

Imperfect fungi:

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Deuteromycota

99% of fungal diseases.

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Deuteromycota

Candida albicans:

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Deuteromycota

Spores: Basidiospore and Chlamydospore

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Basidiomycota

Mushrooms, rust, smut

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Basidiomycota

CRyptococcus neoformans:

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Basidiomycota

ONLY asexual spores:

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Deuteromycota

Branched nonseptate hyphae:

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Zygomycota

Bread molds and water molds:

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Zygomycota

Contain the spores zoospores, aplanospores, oospores and zygospores.

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Zygomycota

Contains the spores Blastospore, conidiospores, arthrospores, and ascospores.

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Ascomycota

Unicellular yeasts

A. Zygomycota
B. Ascomycota
C. Basidiomycota
D. Deuteromycota

Ascomycota

Arthropods that carry pathogenic microorganisms

A. Vector
B. Cestodes
C. Nematoda
D. Amebae

Vector

Multicellular animals and many are parasitic.

A. Arthropods
B. Protozoa
C. Helminths

Helminths

All distinguish parasitic helminths EXCEPT

A. They lack a digestive system
B. They have a reduced nervous system
C. They lack the means of motion
D. Reproductive system is simple

Reproductive system is simple

These helminths are leaf shaped with suckers

A. Cestodes
B. Trematodes
C. Nematoda
D. Amebae

Trematodes

Also known as flukes

A. Cestodes
B. Trematodes
C. Nematoda
D. Amebae

Trematodes

Also known as a tapeworm

A. Cestodes
B. Trematodes
C. Nematoda
D. Amebae

Cestodes

Also known as roundworm

A. Cestodes
B. Trematodes
C. Nematoda
D. Amebae

Nematoda

Cylindrical and tapered with complete digestive systems

A. Cestodes
B. Trematodes
C. Nematoda
D. Amebae

Nematoda

Enterobius Vermicularis

A. Cestodes
B. Trematodes
C. Nematoda
D. Amebae

Nematoda

The head of a tapeworm is called the

A. proglottids
B. cytostome
C. scolex
D. oocyst

scolex

The body of the tapeworm is called

A. proglottids
B. cytostome
C. scolex
D. oocyst

proglottids

A reproductive structure in which new cells are produced asexually.

A. proglottids
B. cytostome
C. scolex
D. oocyst

oocyst

Mouthlike opening, cilia take in food by waiving towards it.

A. proglottids
B. cytostome
C. scolex
D. oocyst

cytostome

The ONLY pathogenic amoeba found in the human intestines

A. Entamoeba histolytica
B. Taenia saginata
C. Trichinella spiralis
D. Enterobius vermicularis

Entamoeba histolytica

Unicellular, eukaryotic heterotrophs that are classified largely by how they move.

A. Protozoa
B. Fungi
C. Helminths
D. Anthropods

Protozoa

This permits the organism to survive when food, moisture or oxygen are lacking

A. proglottids
B. cytostome
C. scolex
D. cyst

cyst

Lives in areas with large supply of water

A. Protozoa
B. Fungi
C. Helminths
D. Anthropods

Protozoa

CHaracterized by segmented bodies, hard external skeletons, and jointed legs

A. Protozoa
B. Fungi
C. Helminths
D. Anthropods

Anthropods

Cause of west nile virus, lyme disease and the bubonic plague

A. Protozoa
B. Fungi
C. Helminths
D. Anthropods

Anthropods

Produce a large number of eggs.

A. Protozoa
B. Fungi
C. Helminths
D. Anthropods

Helminths

These are chemoheterotrophs

A. Protozoa
B. Fungi
C. Helminths
D. Anthropods

Fungi

They have a cell wall and cell membrane that contain sterols

A. Protozoa
B. Fungi
C. Helminths
D. Anthropods

Fungi

One yeast can produce how many daughter cells by budding

A. 4
B. 12
C. 24
D. 36

24

Buds that fail to detach and form a short chain of cells

A. Pseudohypha
B. Dermatophytes
C. Stachybotrys

Pseudohypha

Localized along hair shafts and epidermal cells

A. Systemic Mycosis
B. Subcutaneous Mycosis
C. Cutaneous Mycosis
D. Superficial Mycosis
E. Oppertunistic Mycosis

Superficial Mycosis

Due to a generally harmless fungus becoming pathogenic in a compromised host

A. Systemic Mycosis
B. Subcutaneous Mycosis
C. Cutaneous Mycosis
D. Superficial Mycosis
E. Oppertunistic Mycosis

Oppertunistic Mycosis

One can acquire this by contact with infected hairs and epidermal cells such as shower floors or hairs.

A. Systemic Mycosis
B. Subcutaneous Mycosis
C. Cutaneous Mycosis
D. Superficial Mycosis
E. Oppertunistic Mycosis

Cutaneous Mycosis

A puncture wound allows spores or mycelial fragments to implant directly into the tissue beneath the skin

A. Systemic Mycosis
B. Subcutaneous Mycosis
C. Cutaneous Mycosis
D. Superficial Mycosis
E. Oppertunistic Mycosis

Subcutaneous Mycosis

Fungal infections deep within the body

A. Systemic Mycosis
B. Subcutaneous Mycosis
C. Cutaneous Mycosis
D. Superficial Mycosis
E. Oppertunistic Mycosis

Systemic Mycosis

Fungi grow best at what pH

A. 5
B. 9
C. 7
D. 3

5

Most fungi are resistant to

A. Low moisture
B. High salt concentrations
C. osmotic pressure
D. sugars

osmotic pressure

High/Low

Fungi and grow in _____ sugar or salt concentrations

HIGH

Candidiasis which causes yeast infection is a:

A. Systemic Mycosis
B. Subcutaneous Mycosis
C. Cutaneous Mycosis
D. Superficial Mycosis
E. Oppertunistic Mycosis

Oppertunistic Mycosis

See More

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set