Microbiology Exam 1
Mycology is the study of
molds, yeast, mushrooms
A student has obtained a sample of pond water for study. Using the high-power lens, he observes several cells with nuclei. He can conclude that the cells are NOT bacteria. true or false
true
All of the following factors contribute to the threat of emerging infectious diseases (EIDs) EXCEPT
vaccinations that control epidemiological spread
Penicillin was discovered by accident by
Alexander Fleming
Define the members of the group fungi
organisms are single- or multi-celled eukaryotes that contain chitin in their cell walls
Which of the following is not considered a symptom of infection A)body temperature of 101.9 B)chest pain C)chills D)aches (symptoms-felt only by patient not measurable)
A) body temperature of 101.9
Which of the following is not considered an infectious disease A)high blood pressure B)AIDS C)influenza D)ringworm (infectious diseases are caused by a pathogen)
A) high blood pressure
Microorganisms are essentials to our life. Each of the following is an example of a beneficial function of microorganisms EXCEPT A) increased number of illnesses B)agriculture C)bioremediation D)alternative fuel production E)gene therapy
A) increased number of illnesses/morbidity
Microorganisms are involved in each of the following processes EXCEPT A) smog production B)decomposition of organic material C) infection D)o2 production E) food production
A) smog production
Protozoan motility structures include A) cilia, flagella, pseudopods B)cilia C)pseudopods D)cilia and pseudopods only E)flagella
A)cilia, flagella, pseudopods
Each of the following organisms would be considered a microbe EXCEPT A) virus B)mushroom C)bacterium D)yeast E)protozoan
B) mushroom
Biogenesis refers to A)development of aseptic technique B)development of life forms from preexisting life forms C)germ theory disease D)spontaneous generation of organisms from nonliving matter
B)development of life forms from preexisting life forms
Common commercial benefits of microorganisms include synthesis of A)aspirin B)riboflavin, acetone,insulin C)riboflavin D)acetone E)insulin
B)riboflavin, acetone, insulin
A system of classification grouping organisms into 3 domains based on the cellular organization of organisms was devised by A)carolus Linnaeus B)Anton van Leeuwenhoek C)carl woese D)Robert koch E)Louis Pasteur
C) carl woese
Which of the following are FALSE concerning microbes A)microbes produce vitamins in the intestines B)microbes generate oxygen through photosynthesis C)primary role of microbes on the planet involves causing disease in animals and humans D)microbes play a role in breaking down waste and decomposing dead organisms
C) primary role of microbes on the planet involves causing disease in animals and humans
From the list below which would NOT be considered an emerging pathogen?? A) Lyme disease B)Ebola virus C)smallpox virus D)avian influenza E)zika virus
C) smallpox virus
Which of the following is NOT a domain in the three-domain system A)archaea B)bacteria C)Animalia D)eukarya
C)Animalia
The term used to describe a disease-causing microorganism is A)infection B)virus C)pathogen D)bacterium E)microbe
C)pathogen
In the name Staphylococcus aureus, aureus is the A)kingdom B)family name C)species D)domain name E)genus
C)species
The formal system for classifying and naming organisms was developed by
Carolus Linnaeus
Microorganisms are beneficial to humans in all of the following ways EXCEPT A)marine and freshwater organisms form the basis of the food web B)fermenting microorganisms product yogurt and sauerkraut from milk and cabbage C)live symbiotically with plants and transform nitrogen gas into organic compounds D)Pseudomonas, molds and others break down lettuce and strawberries at fridge temp E)soil microorganisms break down matter
D) Pseudomonas
Which of the following is NOT associated with viruses? A)chemical reactions B)protein coat C)envelope D)organelles E)nucleic acid
D) organelles
Who is credited with first observing microorganisms? A)Robert Koch B)Carolus Linnaeus C)Louis Pasteur D)Anton van Leeuwenhoek E)Robert Hooke
D)Anton van Leeuwenhoek
All microorganisms that regularly populate the human body are referred to as the A)human genome B)transient microbiota C)microbial genome D)human microbiome
D)human microbiome
Normal Microbiota A)colonize the body B)almost always cause disease in the host C)take up residence in sites such as the colon and mouth D)are normally found in blood E)both colonize the body and take up residence in colon and mouth
E) both colonize the body and take up residence in colon and mouth
Microbes that live in or on the human body and cause no harm are referred to as A)virulent microorganisms B)pathogenic microorganisms C)opportunistic microbiota D)transient microbiota E)human microbiome
E)Human microbiome
Which of the following findings was essential for Edward Jenners vaccination process
Exposure to a milder disease form may produce immunity
All cells possess a cell wall true or false
False
All pathogens known to infect humans have been identified at this point in time. true or false
False
Spontaneous generation refers to living cells arising only from other living cells true or false
False
The arguments supporting spontaneous generation were finally disproved by
Louis pasteur
Fungal infections are studied by
Mycologists
Colonize the body and take up residence in sites such as the colon and mouth
Normal Microbiota
How was disproving spontaneous generation associated with developing principles important to microbiology?
Pasteurs experiments with swan-necked flasks supported the concept that microbes in the air were responsible for contaminating nonliving matter
Proof that a microbe could cause disease was provided by
Robert Koch
Anton van Leeuwenhoek was the first microbiologist to use a microscope to examine environmental samples for the presence of microorganisms true or false
True
Microbes are associated with life-sustaining benefits as well as life-threatening diseases True or False
True
Area of biology that studies DNA and chromosomes
genetics
