MICROBIOLOGY (BIO 242)
FINAL STUDY GUIDE EXAM WITH
CORRECT ANSWERS 2025
Etiolog ( correct answers ) The study of the cause of
y disease is called
Eukaryotic ( correct answers ) Microorganisms characterized by the
presence of a nucleus are called
Gram Negative ( correct answers ) Which of the following may have
cell walls containing lipopolysaccharide?
Gram Negative ( correct answers ) Which of the following have external
structures containing a periplasmic space?
Halophiles
A member of euryarchaeota that grows around hydrothermal vents and
produces CH4 is methanopyrus
*Check this answer** ( correct answers ) Which of the following types
of microbes might be found in the hydrothermal vents?
Spirilla ( correct answers ) A stiff spiral-shaped bacterium is called
Cell Wall ( correct answers ) The Gram stain works because of the
differences in the
of bacteria
Micrometers ( correct answers )
Bacterial cells are usually a few in size
Anaerobe ( correct answers ) An organism that cannot
survive in the presence of oxygen
Log Phase ( correct answers ) During which growth phase are
bacteria more susceptible to antimicrobial drugs?
Enzymes speed up chemical reactions by raising the activation energy
( correct answers ) Which of the following statements concerning
enzymes is FALSE?
Glycolysis ( correct answers ) Pyruvic acid is the end product of
which of the following?
GRADED
A+
, Cyst ( correct answers ) Which of the following is a protozoan stage
that allows for transmission of intestinal parasites from one host to
another?
Virion ( correct answers ) Extracellular state of virus is also known as
Filtration ( correct answers ) A scientist develops a new medication that is
a protein compound and that must be administered by injection. Which of
the following would be the most effective and safest mean of preparing a
sterile solution of the new medication?
Tetracyclines ( correct answers ) Which of the following groups of drugs
can become incorporated into the teeth and bones of a fetus?
These diseases are caused by a virus ( correct answers
) It is inappropriate to prescribe
antibacterial agents to treat colds or flu because
Sebum ( correct answers ) Which of the following characteristics is
present on skin but not on mucous membranes?
Intact skin, mucous membrane, sebum, and tears and so forth
( correct answers ) First line of defense may be described as
Thymus ( correct answers ) The designation "T" for T lymphocytes come
from the IgA ( correct answers ) The type of
immunoglobulin that forms a dimer is
is one in which organism, the parasite, lives off another organism, the
host, harming it and possibly causing death ( correct answers )
Parasitism is a relationship
Objective ( correct answers ) Signs are
The kidneys ( correct answers ) Axenic systems of the body include
The illness period ( correct answers ) Which of the following stages of
an infectious disease is the most sever?
Fever, diarrhea, fatigue, muscle ache, and coughing ( correct answers )
Which of the following is a symptom of disease?
In hospital by physicians ( correct answers ) An iatrogenic disease
is a disease acquired
is an inanimate object that can be the vehicle for transmission of an
infectious
GRADED
agent (bedding, towels, or surgical instruments) ( correct
answers )
A+ Foamites
FINAL STUDY GUIDE EXAM WITH
CORRECT ANSWERS 2025
Etiolog ( correct answers ) The study of the cause of
y disease is called
Eukaryotic ( correct answers ) Microorganisms characterized by the
presence of a nucleus are called
Gram Negative ( correct answers ) Which of the following may have
cell walls containing lipopolysaccharide?
Gram Negative ( correct answers ) Which of the following have external
structures containing a periplasmic space?
Halophiles
A member of euryarchaeota that grows around hydrothermal vents and
produces CH4 is methanopyrus
*Check this answer** ( correct answers ) Which of the following types
of microbes might be found in the hydrothermal vents?
Spirilla ( correct answers ) A stiff spiral-shaped bacterium is called
Cell Wall ( correct answers ) The Gram stain works because of the
differences in the
of bacteria
Micrometers ( correct answers )
Bacterial cells are usually a few in size
Anaerobe ( correct answers ) An organism that cannot
survive in the presence of oxygen
Log Phase ( correct answers ) During which growth phase are
bacteria more susceptible to antimicrobial drugs?
Enzymes speed up chemical reactions by raising the activation energy
( correct answers ) Which of the following statements concerning
enzymes is FALSE?
Glycolysis ( correct answers ) Pyruvic acid is the end product of
which of the following?
GRADED
A+
, Cyst ( correct answers ) Which of the following is a protozoan stage
that allows for transmission of intestinal parasites from one host to
another?
Virion ( correct answers ) Extracellular state of virus is also known as
Filtration ( correct answers ) A scientist develops a new medication that is
a protein compound and that must be administered by injection. Which of
the following would be the most effective and safest mean of preparing a
sterile solution of the new medication?
Tetracyclines ( correct answers ) Which of the following groups of drugs
can become incorporated into the teeth and bones of a fetus?
These diseases are caused by a virus ( correct answers
) It is inappropriate to prescribe
antibacterial agents to treat colds or flu because
Sebum ( correct answers ) Which of the following characteristics is
present on skin but not on mucous membranes?
Intact skin, mucous membrane, sebum, and tears and so forth
( correct answers ) First line of defense may be described as
Thymus ( correct answers ) The designation "T" for T lymphocytes come
from the IgA ( correct answers ) The type of
immunoglobulin that forms a dimer is
is one in which organism, the parasite, lives off another organism, the
host, harming it and possibly causing death ( correct answers )
Parasitism is a relationship
Objective ( correct answers ) Signs are
The kidneys ( correct answers ) Axenic systems of the body include
The illness period ( correct answers ) Which of the following stages of
an infectious disease is the most sever?
Fever, diarrhea, fatigue, muscle ache, and coughing ( correct answers )
Which of the following is a symptom of disease?
In hospital by physicians ( correct answers ) An iatrogenic disease
is a disease acquired
is an inanimate object that can be the vehicle for transmission of an
infectious
GRADED
agent (bedding, towels, or surgical instruments) ( correct
answers )
A+ Foamites
