Acanthamoeba protozoa species are associated with:
a. keratitis.
b. conjunctivitis.
c. river blindness.
d. trachoma.
e. all of the above.

Which of the following statements are true regarding protozoans? Select all that apply.

(NCLEX/HESI/TEAS)

a. They are unicellular.

b. They have cell walls.

c. They are usually nonphotosynthetic.

d. They are animal-like protists.

e. Some are pathogens.

f. They usually have simple life cycles.

g. They often use sexual and asexual reproduction.

h. They usually lack nuclei.

i. They all have mitochondria.

Which of the following include eukaryotic cells? Select all that apply.

(NCLEX/HESI/TEAS)

a. Fungi

b. Yeasts

c. Protista

d. Bacteria

e. Helminths

f. Animalia

g. Archaea

h. Plantae

Which of the following are not characteristics of eukaryotes? Select all that apply. (NCLEX/HESI/TEAS)

a. They are generally simpler than prokaryotes.

b. They can be multicellular.

c. They all have a nucleus.

d. They tend to have multiple chromosomes.

e. They can have a cell wall.

f. They include pathogens.

g. They divide by mitosis.

h. They make up the Domain Archaea.

i. They make up the Domain Bacteria.

j. They make up the Domain Eukarya.

Indicate the true statements about eukaryotic cells and then reword the false statements so that they are true.

a. Eukaryotic cells have 70S ribosomes on the rough endoplasmic reticulum.

b. Eukaryotic cells sexually reproduce by mitosis.

c. Eukaryotic cells can make up unicellular or multicellular organisms.

d. Eukaryotic cells always have a cell wall.

e. Eukaryotic cells can be photosynthetic.

f. Eukaryotic cells use fimbriae for motility.

g. Yeast is a multicellular eukaryote.

The protists Trypanosoma brucei, Naegleria fowleri, and Toxoplasma gondii

a. invade host cells to cause cellular damage.

b. are only infective in the flagellated form.

c. have a nucleus and are eukaryotic.

d. have all of the above characteristics.

Which of the following microorganisms are not eukaryotic?

a) bacteria

b) yeasts

c) molds

d) protozoa

Which microorganisms are used to make microbiological growth media?

a. bacteria

b. fungi

c. algae

d. protozoa

A phycologist studies which of the following?

a. classification of eukaryotes

b. alternation of generations in algae

c. rusts, smuts, and yeasts

d. parasitic worms