Host-microorganism interactions Flashcards
An infection acquired from working with an animal reservoir is:
a. Acquired from a vehicle
b. Transmitted by a vector
c. A zoonotic infection
d. An example of indirect transmission
c. A zoonotic infection
Which of the following is considered an indirect mode of transmission?
a. A cut with a dirty knife
b. Ingesting contaminated potato salad
c. Inhaling a droplet containing a bacterium
d. Drinking water from a contaminated source
a. A cut with a dirty knife
Nonspecific immunity includes all of the following except:
a. Inflammation
b. Phagocytosis by neutrophils
c. B-cell activation to produce antibodies
d. Resident normal ora
c. B-cell activation to produce antibodies
Humoral immunity:
a. Is activated for all infectious agents
b. Is specific for any organism
c. Is specifically targeted to an antigen
d. Provides a broad immune response to any microorganism
c. Is specifically targeted to an antigen
Bacterial endotoxins are:
a. All the same
b. Part of the gram-negative cell wall
c. Capable of causing a systemic shock response
d. All of the above
d. All of the above
A sign is different from a symptom in all of the following ways except:
a. It provides measurable data.
b. It is believed to be associated with the etiology of the disease.
c. It is clearly visible.
d. It includes the temperature, respiratory rate, and pulse.
b. It is believed to be associated with the etiology of the disease.
A short-lived infection that manifests with a short incubation period and serious illness is considered to be:
a. Persistent
b. Chronic
c. Latent
d. Acute
d. Acute
A microorganism that colonizes the skin but is capable of causing infection under the appropriate conditions is referred to as:
a. A pathogenic organism
b. An opportunistic pathogen
c. Normal flora
d. A nosocomial pathogen
b. An opportunistic pathogen
All of the following are involved in humoral immunity except:
a. Cytotoxic T cells
b. Complement proteins
c. Plasma cells
d. Glycoproteins
a. Cytotoxic T cells
Match each term with the correct description.
Vector
a. injection of antigens or antibodies to provide immunity
b. inanimate source of infection
c. limited and speci c effect
d. long-term health care−associated infection
e. characteristic of a disease-causing organism
f. serum proteins activated in the immune system
g. circulate in the blood before activation
h. insect that carries an infectious agent
i. association between normal flora and host
h. insect that carries an infectious agent
Match each term with the correct description.
Nosocomial
a. injection of antigens or antibodies to provide immunity
b. inanimate source of infection
c. limited and speci c effect
d. long-term health care−associated infection
e. characteristic of a disease-causing organism
f. serum proteins activated in the immune system
g. circulate in the blood before activation
h. insect that carries an infectious agent
i. association between normal flora and host
d. long-term health care−associated infection
Match each term with the correct description.
Fomite
a. injection of antigens or antibodies to provide immunity
b. inanimate source of infection
c. limited and speci c effect
d. long-term health care−associated infection
e. characteristic of a disease-causing organism
f. serum proteins activated in the immune system
g. circulate in the blood before activation
h. insect that carries an infectious agent
i. association between normal flora and host
b. inanimate source of infection
Match each term with the correct description.
Clonization
a. injection of antigens or antibodies to provide immunity
b. inanimate source of infection
c. limited and speci c effect
d. long-term health care−associated infection
e. characteristic of a disease-causing organism
f. serum proteins activated in the immune system
g. circulate in the blood before activation
h. insect that carries an infectious agent
i. association between normal flora and host
i. association between normal flora and host
Match each term with the correct description.
Monocytes
a. injection of antigens or antibodies to provide immunity
b. inanimate source of infection
c. limited and speci c effect
d. long-term health care−associated infection
e. characteristic of a disease-causing organism
f. serum proteins activated in the immune system
g. circulate in the blood before activation
h. insect that carries an infectious agent
i. association between normal flora and host
g. circulate in the blood before activation
Match each term with the correct description.
Complement
a. injection of antigens or antibodies to provide immunity
b. inanimate source of infection
c. limited and speci c effect
d. long-term health care−associated infection
e. characteristic of a disease-causing organism
f. serum proteins activated in the immune system
g. circulate in the blood before activation
h. insect that carries an infectious agent
i. association between normal flora and host
f. serum proteins activated in the immune system
