Integrated Science II Exam 1 Dr. Lewis

First person to develop and use a microscope to observe single-celled organisms

A. Redi

B. Spallanzani

C. Koch

D. Leeuwenhoek

E. None of the above

D

The concept of biogenesis claimed that:

A. Life spontaneously arose from nonliving matter

B. Vitalism was necessary to confer life upon nonliving matter

C. Life came from preexisting decomposing organic matter

D. Life came from preexisting life

E. All of the above

D

Developed swan-necked flasks to disprove the spontaneous generation theory:

A.Pasteur

B. Spallanzani

C. Redi

D. Koch

E. None of the above

A

Established a series of investigative steps called postulates to prove that certain microbes could cause infectious disease:

A. Redi

B. Pasteur

C. Koch

D. Salk

E. None of the above

C

Which of the following individuals proposed that germs (microbes) were responsible for the infections and deaths in puerperal fever (childbed fever)?

A. Francesco Redi

B. Oliver Wendell Holmes

C. John Snow

D. Ignaz Semmelweis

E. B and D

E

Which of the following microorganisms is prokaryotic?

A. Molds

B. Algae

C. Helminths

D. Bacteria

E. Protozoa

D

Which of the following cells have a true nucleus?

A. Protozoa

B. Fungi

C. Human

D. A and B

E. All of the above

E

Which of the following microbes possess a nucleoid?

A. Fungi

B. Bacteria

C. Protozoa

D. Yeast

E. None of the above

B

These microorganisms are referred to as obligate intracellular parasites:

A. Protozoa

B. Fungi

C. Viruses

D. Algae

E. None of the above

C

Which of the following microorganisms grow as long branching filaments?

A. Coccal bacillus

B. Yeast

C. Protozoa

D. Molds

E. Viruses

D

Bacterial arrangement consisting of cocci arranged in a grapelike cluster:

A. Diplococcus

B. Streptococcus

C. Sarcinae

D. Tetrads

E. Staphylococcus

E

The smaller prokaryotic ribosome subunit is:

A. 80S

B. 40S

C. 50S

D. 70S

E. 30S

E

Bacterial arrangement consisting of cocci arranged in chains:

A. Diplococcus

B. Streptococcus

C. Sarcinae

D.Tetrads

E. Staphylococcus

B

In the Gram staining reaction, gram-positive bacteria are:

A. Red

B. Purple

C. Green

D. Clear

E. None of the above

B

The function of the bacterial cell wall is:

A. To provide shape

B. Osmotic protection

C. Prevent cell rupture in a hypotonic environment

D. All of the above

E. None of the above

D

The cellular component responsible for selective permeability:

A. Cell wall

B. Mitochondrion

C. Cell membrane

D. Ribosome

E. None of the above

C

Bacterial spores are resting stages which possess the ability to:

A. Resist heat

B. Remain alive for years

C. Resist radiation

D. Resist chemicals

E. All of the above

E

The bacterial flagellar arrangement in which the flagella are distributed over the entire surface of the cell:

A. Monotrichous

B. Amphitrichous

C. Lophotrichous

D. Peritrichous

D

Short hair-like appendages found on certain bacteria that are used for adherence or attachment:

A. Cilia

B. Flagella

C. Glycocalyx

D. Pili

E. None of the above

D

This bacterial component is used to prevent phagocytosis:

A. Pili

B. Capsule

C. Flagella

D. Cell wall

E. Cell membrane

B

All of the following are cell wall inhibitors EXCEPT

A. Cephalexin

B. Aztreonam

C. Azithromycin

D. Vancomycin

E. Ampicillin

C

Bacteria that grows at high temperatures (>45oC)

A. Psychrophiles

B. Mesophiles

C. Thermophiles

D. None of the above

C

Bacteria that grows at low temperatures (0-25oC)

A. Psychrophile

B. Mesophile

C. Thermophile

D. Nucleophile

A

Which type of bacteria require oxygen and cannot grow in its absence?

A. Obligate aerobe

B. Obligate anaerobe

C. Facultative anaerobe

D. A and B

E. All of the above

A

A type of bacterium that can grow either in the presence or absence of 02

A. Obligate anaerobe

B. Obligate aerobe

C. Facultative anaerobe

D. Microaerophile

E. None of the above

C

Bacteria which grows only in the absence of oxygen:

A. Obligate aerobe

B. Obligate anaerobe

C. Facultative anaerobe

D. Microaerophile

B

What type of bacteria could grow in the stomach?

A. Basophile

B. Photosynthetic

C. Neutrophiles

D. Acidophiles

E. None of the above

D

If a patient is diagnosed as having syphilis the following bacterial shape would be identified

A. Diplococcus

B. Streptococcus

C. Vibrio

D. Spirillum

E. Spirochete

E

These microorganisms reproduce by a budding mechanism

A. Molds

B. Bacteria

C. Yeasts

D. Viruses

E. Helminths

C

Mycoses are ____________ diseases

A. Protozoal

B. Helminths

C. Viral

D. Fungal

E. None of the above

D

Tapeworms are types of:

A. Flatworms

B. Roundworms

A

1 multiple choice option

Bacteriophages are these types of microorganisms.

A. Viruses

B. Bacteria

C. Protozoa

D. Fungi

E. Helminths

A

What is the brand name of the antimicrobial agent ceftaroline?

A. Keflex

B. Primaxin

C. Augmentin

D. Bactrim

E. Teflaro

E

A virus can possess either a DNA or an RNA molecule. Never both.

True

False

True

1 multiple choice option

Mycology is the study of ________________

A. Algae

B. Protozoa

C. Helminths

D. Fungi

D

Disproved that flies spontaneously generated from decomposing meat

A. Aristotle

B. Leeuwenhoek

C. Redi

D. Pasteur

E. None of the above

C

Viruses can possess these types of nucleic acid molecules

A. ssDNA

B. dsDNA

C. ssRNA

D. dsRNA

E. All of the above

E

The treatment process used to lower microbial counts to safe public health standards.

A. Sterilization

B. Disinfection

C. Antisepsis

D. Sanitization

E. None of the above

D

The autoclaving process uses these environmental conditions

A. 100oC for 10 min

B. 65o C for 30 min

C. 121o C @15psi for 15 min

D. 121oC @20psi for 20 min

E. 110oC @ 15psi for 15 min

C

A bacteriostatic agent:

A. Inhibits the growth and destroys the bacterium

B. Only inhibits the growth of the bacterium

C. Causes irreversible destruction to the bacterium

D. All of the above

E. None of the above

B

The process of destroying vegetative pathogens on inanimate objects:

A. Degerming

B. Sanitation

C. Antisepsis

D. Disinfection

E. None of the above

D

Which of the following is used to control microorganisms colonizing living tissue?

A. Antiseptic

B. Disinfectant

C. Sanitizer

D. Glutaldehyde

E. All of the above

A

The moist heat method of microbial control (sterilization) using steam and pressure:

A. Dessication

B. Autoclaving

C. Incineration

D. Pasteurization

E. None of the above

B

The individual who discovered the antimicrobial agent penicillin:

A. Paul Erhlich

B. Giuseppe Brotzu

C. Alexander Fleming

D. Gerhard Domagk

E. Selman Waksman

C

An atimicrobial drug that is effective against a wide range of pathogens (Gram-positive, Gram-negative):

A. Broad spectrum

B. Narrow spectrum

C. Therapeutic spectrum

D. Omnispectrum

E. all of the above

A

Which of the following antimicrobials are used to target the bacterial cell wall?

A. Penicilliins

B. Rifampin

C. Sulfonamides

D. Cephalosporins

E. A and D

E

Which of the following antimicrobial drugs are cytoplasmic membrane disruptors?

A. Penicillins

B. Sulfonamides

C. Daptomycin

D. Vancomycin

E. None of the above

C

Pertaining to antimicrobial drug combinations, when the activity of one drug interferes with the activity of the other drug it is called:

A. Synergism

B. Mutualism

C. Antagonism

D. All of the above

E. None of the above

C

The following antimicrobial agent is a nucleic acid inhibitor

A. Bactrim

B. Ciprofloxacin

C. Cubicin

D. Tetracycline

E. Chloramphenicol

A

Which of the following is a folic acid inhibitor

Cefalexin

Trimetroprim=sulfamethoxazole (TMP-SMX)

Doxycycline

Augmentin

Primaxin

B