Chapter 1
Who is considered the "father of Western medicine"?
Marcus Terentius Varro
Thucydides
Antonie van Leeuwenhoek
Hippocrates
Hippocrates
What is the purpose of adding iodine to a gram stain?
It acts as a counterstain
It allows the cells to retain the primary stain
It distinguishes Gram+ and Gram- cells
It colors Gram+ cells purple and Gram- cells red
It allows the cells to retain the primary stain
Which of the following organelles is responsible for synthesizing cell membranes, fats, and hormones
Rough endoplasmic reticulum
Vesicles
Lysosomes
Smooth Endoplasmic Reticulum
Smooth Endoplasmic Reticulum
Which of the following comprise up to 30% of the normal microbiota in the human gut?
Cytophaga
Bacteroides
Fusobacteria
Clostridium
Bacteroides
Acidic stains have a ____ charge. Acidic stains will stain ____ and will not stain _____.
positive; the cell; the background
positive; background; the cell
negative; the cell; the background
negative; the background; the cell
negative; the background; the cell
Which of the following is not a domain in Woese and Fox's
Animals
Bacteria
Archaea
Eukarya
animals
Define resolution
The ability for a lens to enlarge an image of an object
Capturing the energy of a light wave
The measurement of the bending of light
The ability to differentiate 2 points
The ability to differentiate 2 points
When there is a stimuli (taxis), the length of the run ____, while the length of the tumble ____
Decreases, Increases
Increases, Decreases
Increases, Increases
Decreases, Decreases
Increases, Decreases
Bdellovibrio bacteriovorus is a predator of other bacteria. Which class does it belong to?
Alphaproteobacteria
Betaproteobacteria
Gammaproteobacteria
Deltaproteobacteria
Deltaproteobacteria
What is the color of gram-negative bacteria at the end of gram staining
Blue
Colorless
Red
Purple
Red
Who is the father of binomial nomenclature
Marcus Varro
Louis Pasteur
Carl Linnaeus
Robert Koch
Carl Linnaeus
This person was the first to observe live microorganisms underneath a simple microscope, and described them as “animalcules” or “wee little beasties”.
Hippocrates
Antonie van Leeuwenhoek
Robert Hooke
Schwann
Antonie van Leeuwenhoek
Which of the following microbiologists supported the theory of spontaneous generation
Louis Pasteur
Francesco Redi
Lazzaro Sapallanzani
John Needam
John Needam
Which organism causes sexually transmitted diseases that are common on college campuses?
Rickettsia typhi
C. trachomatis
Bordetella pertussis
Vibrio cholerae
C. trachomatis
Which of the following transport mechanisms requires transported protein without the use of energy?
Simple diffusion
Facilitated diffusion
Osmosis
Active transport
Facilitated diffusion
Choose the correct way to write the name of the organism “Mycobacterium tuberculosis” in the binomial nomenclature format.
Mycobacterium tuberculosis
Mycobacterium Tuberculosis
Mycobacterium Tuberculosis
Mycobacterium tuberculosis
4. Mycobacterium tuberculosis
Who was the first person who first saw dead cork “cells”?
The Janssens
Marcus Varro
Robert Hooke
Antonie van Leeuwenhoek
Robert Hooke
Who performed the Swan neck flask experiment to disprove the theory of spontaneous generation?
Francesco Redi
Ignaz Semmelweis
Louis Pasteur
John Snow
Louis Pasteur
Which of the following organisms belong to class betaproteobacteria and live on mucosal surfaces of the human body?
Clostridium difficile
Mycobacterium tuberculosis
E. coli
Neisseria
Neisseria
Staphylococcus epidermidis uses the dead cells of the human skin as nutrients. This is an example of what type of symbiotic relationship?
Neutralism
Mutualism
Parasitism
Commensalism
Amensalism
Commensalism
Who established the concept of immunity?
Thucydides
Marcus Varro
Hippocrates
Aristotle
Thucydides
Why is oil immersion used in microscopy?
To increase the working distance between the objective lens and the specimen
To reduce the amount of light reaching the specimen for better contrast
To decrease the numerical aperture of the objective lens
To increase the numerical aperture of the objective lens and improve resolution
To increase the numerical aperture of the objective lens and improve resolution
Which of the following is not part of the endomembrane system?
Endoplasmic Reticulum
Golgi Apparatus
Lysosomes
Mitochondria
Mitochondria
C. difficile causes what?
Diarrhea
Tetanus
Botulism
Food Poisoning
Diarrhea
Which class of Proteobacteria are eutrophs?
Alphaproteobacteria
Betaproteobacteria
Gammaproteobacteria
Epsilonproteobacteria
Betaproteobacteria