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BMS127 MT3 EXAM LATEST UPDATE
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BMS127 MT3 EXAM LATESTUPDATE
Which of the following is NOT one of the signs of inflammation?
A) odor
B) swelling (tumor)
C) redness (rubor)
D) heat (calor)
E) pain (dolor) - Answer pain
Which of the following produces an exogenous antigen?
A) a bacterium inside a cell
B) a bacterium outside a cell
C) the malaria parasite inside a red blood cell
D) a virus inside a cell
E) a noninfected human cell - Answer a bacterium outside a cell
Which of the following statements regarding toxoids is FALSE?
A) They are chemically or thermally modified.
B) They have few antigenic determinants.
C) They are produced against the toxin of the microorganism rather than the
microorganism itself.
D) They provide lifelong immunity.
E) They stimulate antibody-mediated immune responses. - Answer They provide lifelong
immunity
An instrument that will come into contact with only the skin of a patient should be
disinfected with a(n)
A) low-level germicide.
B) high-level germicide.
,C) germistatic agent only.
D) degerming agent only.
E) intermediate-level germicide. - Answer low-level germicide
Secretory IgA antibodies are unique because
A) they are Y-shaped molecules.
B) they are present in the plasma.
C) they are present in lymph nodes.
D) they are connected with J chains and short polypeptides to form dimers.
E) they have unique light chains. - Answer are connected with J chains and short
polypeptides to form dimers
Beta-lactam antibiotics have an effect on which of the following types of cells?
A) fungal cells
B) virus-infected cells
C) bacterial cells
D) animal cells
E) both animal and fungal cells - Answer bacterial cells
Which of the following statements concerning specific immunity is FALSE?
A) It is the body's ability to respond to specific invading pathogens.
B) It is the third line of defense.
C) It has memory .
D) It changes little with repeated exposure to the same pathogen.
E) It is acquired. - Answer It changes little with repeated exposure to the same pathogen
Which of the following characteristics is shared by the skin and mucous membranes?
A) The outer layers are composed of dead cells.
B) They are both constantly shedding and replacing cells.
C) They both have cilia.
D) Lysozymes are always present .
, E) Sebum may be present. - Answer They are both constantly shedding and replacing
cells
Which of the following statements about the zone of inhibition is FALSE?
A) The larger the zone, the more resistant the organism is.
B) It is measured as a diameter.
C) It is measured after incubation.
D) It is a result of diffusion of t he drug out of the paper disk.
E) It is a clearing zone with no growth. - Answer The larger the zone, the more resistant
the organism is
The most prevalent type of antibody in the
blood is
A) IgD.
B) IgM.
C) IgA.
D) IgG.
E) IgE. - Answer IgG
Chemotaxis is
A) the movement of cells toward or away from a chemical stimulus.
B) the squeezing of cells between the cells lining capillaries in order to attack invading
microbes.
C) the transport of substances across the cytoplasmic membrane.
D) the attachment of phagocytes to a microorganism by binding to complementary
proteins.
E) the extension of pseudopodia to surround a microbe. - Answer the movement of cells
toward or away
from a chemical stimulus
An adjuvant is a substance that
A) is used to decrease the inflammatory reaction to a vaccine.
B) is a piece of a microbe that is representative of the entire microorganism.
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