Megan Carroll MCB 2010 Micro Final IRSC- Questions with Complete Solutions
100% Solved| Grade A+
A young woman being treated for serious burns develops severe diarrhea accompanied by
intense abdominal pain. She passes several watery, foul-smelling, bloody stools a day. A
colonoscopy reveals patches of yellowish lesions in the large intestine. The probably causative
agent is C) Clostridium difficile
The most common bacterial cause of diarrhea that sends people to doctors in the United States
is Campylobacter
Escherichia. coli O157:H7 is primarily associated with which of the following foods? ground
beef
Porphyromonas gingivalis is associated with perodontitis
Which of the following is a fungus which commonly lives in the large intestine? Candida
Where in the digestive tract does the absorption of water take place? large intestine
Diagnostic testing to detect antigens or antibodies in the blood is known as serology.
Toxoid vaccines are commonly used when immunity to the toxins produced by a pathogen is
sufficient to prevent disease
Variolation was first used to immunize the Chinese against smallpox.
Which of the following vaccines is an infection? attenuated
,Pathogens may be attenuated for use in vaccines by genetic manipulation and/or raising the
pathogen for several generations in tissue culture cells.
Which of the following statements regarding inactivated vaccine is CORRECT? It is safer than
attenuated vaccines.
Immunization has been a highly successful public health strategy but has not been applied to all
pathogens. Which of the following diseases are NOT vaccine-preventable? AIDS, colds, and
malaria
An infectious disease researcher isolates the pathogen responsible for an emerging disease. The
microbe is grown in the lab for many generations. A preparation of the laboratory grown
microbe is treated with ionizing radiation and then tested for its potential as a vaccine. What
type of vaccine is this? inactivated whole
Passive immunotherapy is used when protection against a recent infection or disease is
needed immediately.
When immunization levels in a population are high, ________ provides protection from
infection for at-risk persons who cannot be immunized. herd immunity
During a visit to a hospital, a child receives the oral polio vaccine. He then returns to his distant
village. Sometime later a polio outbreak occurs in the village, but the child and his siblings, who
had not had the vaccine, are spared. What is the explanation for this event? contact
immunity
Which of the following is an opportunistic pathogen commonly present in the nasal cavity as a
member of the microbiota? Staphylococcus aureus
Inflammation of the pharynx with pus-filled abscesses and swollen tonsils is known as
streptococcal pharyngitis ("strep throat").
, The designation "group A," used to help classify Streptococcus pyogenes, refers to this
bacterium's Lancefield antigen
Which of the following allows group A streptococci to spreat through tissues by breaking down
blood clots? streptokinase
Pathogenic streptococci of the upper respiratory tract (such as Streptococcus pyogenes) are
distinguished from non-pathogenic beta hemolytic activity
Which of the following statements is TRUE concerning diptheria? The signs and symptoms of
the disease are directly caused by a bacterial toxin
The majority of cases of pneumonia are caused by Streptococcus pneumoniae
The DTaP vaccine protects against which of the following respiratory diseases? pertussis
Ornithosis, a disease of birds that can be transmitted to humans, is caused by
Chlamydophilia psittaci
Accessory organ of the digestive system
tongue tongue
Which of the following diseases is almost diagnostic for AIDS? Pneumocystis pneumonia
A nursing student develops a positive reaction to the tuberculin skin test. A history reveals
possible exposure to patients with tuberculosis. A sputum sample is acid-fast negative. When
asked for vaccination records, the student reports that childhood vaccination records were lost
when the family emigrated from a southeast Asian country. What is the best explanation for
100% Solved| Grade A+
A young woman being treated for serious burns develops severe diarrhea accompanied by
intense abdominal pain. She passes several watery, foul-smelling, bloody stools a day. A
colonoscopy reveals patches of yellowish lesions in the large intestine. The probably causative
agent is C) Clostridium difficile
The most common bacterial cause of diarrhea that sends people to doctors in the United States
is Campylobacter
Escherichia. coli O157:H7 is primarily associated with which of the following foods? ground
beef
Porphyromonas gingivalis is associated with perodontitis
Which of the following is a fungus which commonly lives in the large intestine? Candida
Where in the digestive tract does the absorption of water take place? large intestine
Diagnostic testing to detect antigens or antibodies in the blood is known as serology.
Toxoid vaccines are commonly used when immunity to the toxins produced by a pathogen is
sufficient to prevent disease
Variolation was first used to immunize the Chinese against smallpox.
Which of the following vaccines is an infection? attenuated
,Pathogens may be attenuated for use in vaccines by genetic manipulation and/or raising the
pathogen for several generations in tissue culture cells.
Which of the following statements regarding inactivated vaccine is CORRECT? It is safer than
attenuated vaccines.
Immunization has been a highly successful public health strategy but has not been applied to all
pathogens. Which of the following diseases are NOT vaccine-preventable? AIDS, colds, and
malaria
An infectious disease researcher isolates the pathogen responsible for an emerging disease. The
microbe is grown in the lab for many generations. A preparation of the laboratory grown
microbe is treated with ionizing radiation and then tested for its potential as a vaccine. What
type of vaccine is this? inactivated whole
Passive immunotherapy is used when protection against a recent infection or disease is
needed immediately.
When immunization levels in a population are high, ________ provides protection from
infection for at-risk persons who cannot be immunized. herd immunity
During a visit to a hospital, a child receives the oral polio vaccine. He then returns to his distant
village. Sometime later a polio outbreak occurs in the village, but the child and his siblings, who
had not had the vaccine, are spared. What is the explanation for this event? contact
immunity
Which of the following is an opportunistic pathogen commonly present in the nasal cavity as a
member of the microbiota? Staphylococcus aureus
Inflammation of the pharynx with pus-filled abscesses and swollen tonsils is known as
streptococcal pharyngitis ("strep throat").
, The designation "group A," used to help classify Streptococcus pyogenes, refers to this
bacterium's Lancefield antigen
Which of the following allows group A streptococci to spreat through tissues by breaking down
blood clots? streptokinase
Pathogenic streptococci of the upper respiratory tract (such as Streptococcus pyogenes) are
distinguished from non-pathogenic beta hemolytic activity
Which of the following statements is TRUE concerning diptheria? The signs and symptoms of
the disease are directly caused by a bacterial toxin
The majority of cases of pneumonia are caused by Streptococcus pneumoniae
The DTaP vaccine protects against which of the following respiratory diseases? pertussis
Ornithosis, a disease of birds that can be transmitted to humans, is caused by
Chlamydophilia psittaci
Accessory organ of the digestive system
tongue tongue
Which of the following diseases is almost diagnostic for AIDS? Pneumocystis pneumonia
A nursing student develops a positive reaction to the tuberculin skin test. A history reveals
possible exposure to patients with tuberculosis. A sputum sample is acid-fast negative. When
asked for vaccination records, the student reports that childhood vaccination records were lost
when the family emigrated from a southeast Asian country. What is the best explanation for
