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Exam 4: Eukaryotic Cells and Microorganisms

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Question 21

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Protists with contractile vacuoles

A) are algae.
B) use them to expel excess water from the cell.
C) typically live in salty seawater.
D) use them for motility.
E) All of the choices are correct.

F) A) and C)
G) C) and D)

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Question 22

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Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format. You begin your 10-hour shift at the infusion center at the local cancer center. Mrs. Overrocker has been coming in every Wednesday at 10:00 am for the past 3 weeks for her infusion of chemotherapy. She complains that her mouth hurts. A visual examination reveals a white film covering the inside of her cheeks and her tongue. You swab the inside of her mouth for microscopic analysis. -You look closely and see that some of the cells are producing filamentous structures called hyphae.A term referring to a yeast able to exist in a yeast or hyphal form is

A) dioecious.
B) dimorphic.
C) dichotomous.
D) diurnal.

E) A) and B)
F) C) and D)

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Question 23

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Cell walls are not usually found in

All of the following are helminths except

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format. Mrs. Hall, the school nurse, noticed a second grader scratching and pulling at the back of her pants. She complained that her bottom itched, mostly in the early morning hours. Since another child in the student’s class had recently been diagnosed with Enterobius vermicularis, or pinworm infection, Mrs. Hall contacted the girl’s mother. She immediately agreed to follow up with her pediatrician. -Pinworm is which type of helminth?

Algae are classified into divisions based principally on their type of motility.

The group of protozoa that use pseudopodia to move are the

The woven,intertwining mass of hyphae that makes up the body of a mold is a(n)

Larval development of helminths occurs in which host?

The long,threadlike branching cells of molds are called

After returning from a trip to Africa,Tom begins to feel very tired and weak.He has severe anemia.A blood smear reveals a protozoan is present in his blood.The health care provider tells Tom he has malaria.Which of the following could be the causative agent of his disease?

In humans,helminths generally infect the

Larvae and eggs are developmental forms of

The eukaryote cell membrane is composed of

In eukaryotic cells,ribosomes have two locations: scattered in the _____ and on the surface of the _____.

The nuclear envelope is a single layer.

When a eukaryotic cell is not undergoing mitosis,the DNA and its associated proteins appear as a visible network of dark fibers called the

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format. Mrs. Hall, the school nurse, noticed a second grader scratching and pulling at the back of her pants. She complained that her bottom itched, mostly in the early morning hours. Since another child in the student’s class had recently been diagnosed with Enterobius vermicularis, or pinworm infection, Mrs. Hall contacted the girl’s mother. She immediately agreed to follow up with her pediatrician. -Many helminths are hermaphroditic,meaning they

When buds remain attached,they form a chain of yeast cells called

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format. Mrs. Hall, the school nurse, noticed a second grader scratching and pulling at the back of her pants. She complained that her bottom itched, mostly in the early morning hours. Since another child in the student’s class had recently been diagnosed with Enterobius vermicularis, or pinworm infection, Mrs. Hall contacted the girl’s mother. She immediately agreed to follow up with her pediatrician. -Most helminths are macroscopic,yet they are studied in the field of microbiology.This is due to the fact that during their lifecycle,they may produce which microscopic structures?