Exam (elaborations)
MICROBIOLOGY 213 – EXAM 1 QUESTIONS AND ANSWERS
- Course
- Institution
MICROBIOLOGY 213 – EXAM 1 QUESTIONS AND ANSWERS...
[Show more]
Content preview
Antonie van Leeuwenhoek made which contribution to themicrobial world?
A. He was the first individual to observe single-celled microbes.
B. He was the first microscopist to publish a study of the world as seen
under a microscope.
C. He sought to disprove the spontaneous generation of microbes.
D. He discovered that fermentation was caused by yeast, a single-celled
fungus.
E. He was the first to attempt to quantify the role of disease in population
mortality. - ANSWER He was the first individual to observe single-celled
microbes
The curve in Pasteur's swan neck flasks was important because
A. It prevented flies from escaping the flask
B. It allowed only warm air to reach the infusion
C. It trapped microbes that otherwise would have entered the flask
D. It prevented oxygen from reaching organisms in the flask - ANSWER
It trapped microbes that otherwise would have entered the flask
Which scientist was the first to develop a set of criteria to
establish a causative link between an infectious agent and a
disease?
Louis Pasteur
Lazzaro Spallanzani
Florence Nightingale
,Robert Koch
Robert Hooke - ANSWER Robert Koch
With respect to cell structure, how are viruses characterized?
Choose one:
A. Unicellular
B. Prokaryotic
C. Noncellular
D. Eukaryotic - ANSWER Noncellular
Who recommended that agar be used to culture microbes?
Choose one:
A. Angelina Hesse
B. Richard Petri
C. Robert Koch
D. Antonie van Leeuwenhoek - ANSWER Angelina Hesse
What part of a bacterium does penicillin target?
Choose one:
A. DNA
B. The cell membrane
C. The cell wall
D. Ribosomes - ANSWER The Cell Wall
The scientist ______ used the swan neck flask to disprove spontaneous
generation. - ANSWER Louis Pasteur
How did the work done by Nightingale contribute to controlling infectious
disease?
A. By developing methods for reducing hospital-acquired infections
B. By identifying the sources of infectious agents
C. By developing antibiotics
D. By developing vaccines - ANSWER By developing methods for
reducing hospital-acquired infections
,What is a microbe?
A. a living organism that requires a microscope to be seen
B. a prokaryote
C. the causative agent of a disease
D. a bacterium - ANSWER a living organism that requires a microscope
to be seen
Throughout history, more soldiers have died from ________ than
anything else.
A. microbial infections
B. atomic bombs
C. battle wounds
D. starvation - ANSWER microbial infections
Who was the first individual to observe cells?
A. Antonie van Leeuwenhoek
B. Robert Hooke
C. Robert Koch
D. Louis Pasteur - ANSWER Robert Hooke
Environments free of microorganisms are known as ________
environments.
A. hygienic
B. antiseptic
C. aseptic
D. vaccinated - ANSWER aseptic
In addition to her work as a famous nurse, how else did Florence
Nightingale contribute to the field of microbiology?
A. She developed techniques to isolate a pure culture of
microorganisms.
B. She used the scientific method to establish the microbial cause of
disease.
, C. She founded the science of medical statistics.
D. She discovered the use of vaccinations to prevent disease. -
ANSWER She founded the science of medical statistics.
Consider the case of Lyme disease, caused by the bacterium Borrelia
burgdorferi, and Koch's postulates. What would have to occur in order to
satisfy Koch's second postulate?
A. Borrelia burgdorferi would have to be found present in a host with
Lyme disease but absent from a healthy host.
B. Borrelia burgdorferi would have to be isolated from a host suffering
from Lyme disease and grown in pure culture.
C. The genome of Borrelia burgdorferi would have to be sequenced to
show the Lyme disease-causing genes.
D. Borrelia burgdorferi isolated from diseased host would have to be
inoculated into a healthy host, resulting in Lyme disease. - ANSWER
Borrelia burgdorferi would have to be isolated from a host suffering from
Lyme disease and grown in pure culture.
Which of the following is a potential problem with satisfying Koch's third
postulate in practice?
Choose one:
A. Some disease-causing microorganisms will not cause disease in all
individuals.
B. Some disease-causing microorganisms may be found in healthy
individuals.
C. Not all disease-causing microorganisms can be isolated and grown in
pure culture in the laboratory.
D. Some disease-causing microorganisms only cause infection in
humans, so no animal models are available. - ANSWER Some disease-
causing microorganisms only cause infection in humans, so no animal
models are available.
The fungus Pneumocystis jirovecii easily infects people, but rarely
causes disease in healthy people. What is this type of pathogen called?
A. Primary pathogen
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Boostertips. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75323 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now