Microbiology: Chapter 5 Multiple Choice

All mature sporozoa are A. parasitic B. nonmotile C. carried by vectors D. both a and b

d. both a and b

_______ Cryptococcus

a yeast that infests the lungs

The protozoan trophozoite is the a. active feeding stage b. inactive dormant stage c. infective stage d. spore-forming stage

a. active feeding stage

What is embedded in rough endoplasmic reticulum? a. ribosomes b. golgi apparatus c. chromatin d. vesicles

a. ribosomes

________ dinoflagellate

alga that causes red tides

Which algal group is most closely related to plants? a. diatoms b. Chlorophyta c. Euglenophyta d. dinoflagellates

b. Chlorophyta

Algae generally contain some type of A. spore B. chlorophyll C. locomotor organelle D. toxin

b. chlorophyll

Parasitic helminths reproduce with a. spore b. eggs and sperm c. mitosis d. cysts e. all of the above

b. eggs and sperm

Both flagella and cilia are found primarily in a. algae b. protozoa c. fungi d. both b and c

b. protozoa

Most helminth infections a. are localized to one site in the body b. spread through major systems of the body c. develop within the spleen d. develop within the liver

b. spread through major systems of the body

Yeasts are __________ fungi, and molds are ___________ fungi. a. macroscopic, microscopic b. unicellular, filamentous c. motile, nonmotile d. water, terrestrial

b. unicellular, filamentous

Which is a possible vector of a tropical eukaryotic parasite? a. contaminated drinking water b. spoiled food c. biting fly d. person with a cough

c. biting fly

In general, fungi derive nutrients through a. photosynthesis b. engulfing bacteria c. disease organic substrates d. parasitism

c. disease organic substrates

Mitochondria likely originated from a. archaea b. invaginations of the cell membrane c. rickettsias d. cyanobacteria

c. rickettsias

A hypha divided into compartments by cross walls is called a. nonseptate b. imperfect c. septate d. perfect

c. septate

Which characteristic(s) is/are not typical of protozoan cells? a. locomotor organelle b. cyst c. spore d. trophozoite

c. spore

The cell wall is usually found in which eukaryotes? a. fungi b. algae c. protozoa d. a and b

d. a and b

Human fungal infections involve and affect what areas of the human body? a. skin b. mucous membranes c. lungs d. all of these

d. all of these

Features of the nuclear envelope include a. ribosomes b. a double membrane structure c. pores that allow communication with the cytoplasm d. b and c e. all of these

d. b and c

Which of these is/are an example(s) of neglected tropical protozoan diseases? a. hookworm b. Chagas disease c. leishaniasis d. a and b e. b and c f. all of these

f. all of these

________ Trichomonas

flagellated protozoan genus that causes an STD

_______ Histoplasma

fungal cause of Ohio Valley fever

_______ Rhizopus

genus of black bread mold

_______ Enterobius

helminth worm involved in pinworm infection

_______ euglenid

motile flagellated alga with an eyespot

_______ diatom

single-celled alga with silica in its cell wall

_______ Entamoebia

the cause of amebic dysentery

_______ Plasmodium

the cause of malaria