Exam 1 Review

Question 1

Who was the first person to have proposed the concept of spontaneous generation?

Answer 1

Aristotle

Question 2

The scientist that confirmed that yeast causes fermentation:

Answer 2

Louis Pasteur

Question 3

Who was the scientist who proposed the concept of vaccination?

Answer 3

Edward Jenner

Question 4

Who were the scientists that proposed the concept of antiseptic techniques?

Answer 4

Lister

Question 5

Which disease is associated with Robert Koch?

Answer 5

anthrax

Question 6

John Snow is responsible for which branch of microbiology?

Answer 6

epidemiology

Question 7

What will dissociate in anions or cations that will not have H+ or OH-?

Answer 7

salt

Question 8

What is the microbial formation of alcohol from sugar?

Answer 8

fermentation

Question 9

Who demonstrated that handwashing before surgery saves lives?

Answer 9

Semmelweis

Question 10

Polyunsaturated fatty acid has:

Answer 10

more than two double bonds

Question 11

atomic mass

Answer 11

sum of protons and neutrons

Question 12

type of bond when electrons are transferred

Answer 12

ionic

Question 13

What happens when a base is put into water?

Answer 13

it dissociates into a cation and hydroxyl ions

Question 14

hydrolysis

Answer 14

adding water to start a decomposition reaction

Question 15

A cell that uses an inorganic carbon source and obtains energy from light

Answer 15

photoautotroph

Question 16

Which of the following forms of oxygen is detoxified by the enzyme catalase?

Answer 16

hydroxyl radical

Question 17

Which of the following organisms can cause disease in organisms whose body temp is maintained at 37 degrees Celcius?

Answer 17

mesophiles

Question 18

What method is best for measuring the number of microbes when the sample has a high number of bacteria?

Answer 18

viable plate counts

Question 19

Obligate anaerobes lack which one of the following enzymes that can protect them from the damaging effects of toxic oxygen?

Answer 19

superoxide dismutase

Question 20

Microbes that require 2-10% oxygen for their growth:

Answer 20

microaerophiles

Question 21

What can detoxify hydrogen peroxide?

Answer 21

catalase

Question 22

What drugs can kill bacteria by inhibiting protein synthesis?

Answer 22

streptomycin and tetracycline

Question 23

What is the best route to administer antimicrobial drugs if you want it to be released very slowly for longer period to achieve a stable MIC?

Answer 23

subcutaneous

Question 24

Which of the following drugs inhibit pathogens by preventing viral attachment?

Answer 24

pleconaril

Question 25

macrolide

Answer 25

kills bacteria binding to 50S ribosomal unit and blocking proper mRNA movement

Question 26

cross resistance

Answer 26

resistance to one antimicrobial agent confers resistance to similar drugs

Question 27

bacteriostatic

Answer 27

stops growth of bacteria

Question 28

cephalosporins

Answer 28

kills bacteria by inhibition of cell wall synthesis

Question 29

chloramphenicol

Answer 29

prevents covalent binding between amino acids

Question 30

bacitracin

Answer 30

blocks NAG and NAM secretion