Questions and Answers
1. 1 The coronary ostia are located in the: (Points : 2)
a. Left ventricle
b. Aortic valve
c. Coronary sinus
d. Aorta: d. Aorta
2. 2 Where in the respiratory tract do the majority of foreign
objects aspirated by children finally
lodge? (Points : 2)
a. Trachea
b. Left lung
c. Bronchus
d. Bronchioles: c. Bronchus
3. 3 Which type of antibody is involved in type I hypersensitivity
reaction? (Points
: 2)
a. IgA
b. IgE
,c. IgG
d. IgM: b. IgE
4. 4 Hypersensitivity is best defined as a(an): (Points : 2)
a. Disturbance in the immunologic tolerance of selfantigens
b. Immunologic reaction of one person to the tissue of another
person
c. Altered immunologic response to an antigen that results in disease
d. Undetectable immune response in the presence of antigens: c. Altered
immunologic response to an antigen that results in disease
5. 5 What is the final stage of the infectious process? (Points : 2)
a. Colonization
b. Invasion
c. Multiplication
d. Spread (1. Colonization 2. Invasion 3. Multiply 4. Spread): d. Spread (1.
Colonization 2.
Invasion 3. Multiply 4. Spread)
6. 6 The function of the foramen ovale in a fetus allows what to
occur? (Points : 2)
a. Righttoleft blood shunting
b. Lefttoright blood shunting
, c. Blood flow from the umbilical cord
d. Blood flow to the lungs: a. Righttoleft blood shunting
7. 7 It has been determined that a tumor is in stage 2. What is
the meaning of this finding? (Points :
2)
a. Cancer is confined to the organ of origin.
b. Cancer has spread to regional structures.
c. Cancer is locally invasive.
d. Cancer has spread to distant sites: c. Cancer is locally invasive.
8. 9 Which statement is true concerning the IgM? (Points : 2)
a. IgM is the first antibody produced during the initial response to
an antigen.
b. IgM mediates many common allergic responses.
c. IgM is the most abundant class of immunoglobulins.
d. IgM is capable of crossing the human placenta.: a. IgM is the first antibody
produced during the initial response to an antigen.
9. 10 Apoptosis is a(an): (Points : 2)
a. Normal mechanism for cells to selfdestruct when growth is
excessive
b. Antigrowth signal activated by the tumorsuppressor gene Rb