NR 507 Week 4 Midterm 58/60 = 96.7% questions and solutions

NR 507 Week 4 Midterm 58/60 = 96.7% q k q k q k q k q k q k q k




1. 1 The coronary ostia are located in the: (Points : 2)
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a. Left ventricle qk




b. Aortic valve qk




c. Coronary sinus qk




d. Aorta: d. Aorta qk qk




2. 2 Where in the respiratory tract do the majority of foreign objects aspirated by
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children finally
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lodge? (Points :2) qk qk qk




a. Trachea
b. Left lung qk




c. Bronchus
d. Bronchioles:c.Bronchus q
k q
k




3. 3 Which type of antibody is involved in type I hypersensitivity reaction?
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(Points : 2)
qk qk qk




a. IgA
b. IgE
c. IgG
d. IgM: b.IgE qk qk




4. 4 Hypersensitivity is best defined as a(an): (Points : 2)
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a. Disturbance in the immunologic tolerance of selfantigens qk qk qk qk qk qk




b. Immunologic reaction of one person to the tissue of another person qk qk qk qk qk qk qk qk qk qk




c. Altered immunologic response to an antigen that results in disease
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d. Undetectable immune response in the presence of antigens:c.Altered qk qk qk qk qk qk qk q
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immunologic response to an antigen that results in disease
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5. 5 What is the final stage of the infectious process? (Points : 2)
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a. Colonization
b. Invasion
c. Multiplication
d. Spread (1. Colonization 2. Invasion 3. Multiply 4. Spread): d.Spread (1.
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k qk




Colonization 2.Invasion 3.Multiply 4.Spread) qk q
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k




6. 6 The function of the foramen ovale in a fetus allows what to occur? (Points
qk qk qk qk qk qk qk qk qk qk qk qk qk qk




: 2) qk




a. Righttoleft blood shunting qk qk




b. Lefttoright blood shunting qk qk




c. Blood flow from the umbilical cord qk qk qk qk qk




d. Blood flow to the lungs: a.Righttoleft blood shunting
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k qk qk




7. 7 It has been determined that a tumor is in stage 2.What is the meaning of this
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finding? (Points :
qk qk qk




2)
qk qk

, NR 507 Week 4 Midterm 58/60 = 96.7% q k q k q k q k q k q k q k




a. Cancer is confined to the organ of origin. qk qk qk qk qk qk qk




b. Cancer has spread to regional structures. qk qk qk qk qk




c. Cancer is locally invasive. qk qk qk




d. Cancer has spread to distant sites: c.Cancer is locally invasive. qk qk qk qk qk qk qk qk qk qk




8. 9 Which statement is true concerning the IgM? (Points : 2)
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a. IgM is the first antibody produced during the initial response to an antigen.
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b. IgM mediates many common allergic responses.
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c. IgM is the most abundant class of immunoglobulins.
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d. IgM is capable of crossing the human placenta.: a.IgM is the first antibody
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produced during the initial response to an antigen.
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9. 10 Apoptosis is a(an): (Points : 2)
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a. Normal mechanism for cells to selfdestruct when growth is excessive qk qk qk qk qk qk qk qk qk




b. Antigrowth signal activated by the tumorsuppressor gene Rb qk qk qk qk qk qk qk




c. Mutation of cell growth stimulated by theTP53 gene qk qk qk qk qk qk q
k qk




d. Transformation of cells from dysplasia to anaplasia: a.Normal mechanism for qk qk qk qk qk qk qk q
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cells to selfdestruct when growth is excessive
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10. 11 Which statement concerning benign tumors is true? (Points : 2)
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a. The resulting pain is severe. qk qk qk qk




b. Benign tumors are not encapsulated. qk qk qk qk




c. Benign tumors are fast growing. qk qk qk qk




d. The cells are welldifferentiated.: d.The cells are welldifferentiated.
qk qk qk qk q
k qk qk qk




11. Which complex (wave) represents the sum of all ventricular muscle cell qk qk qk qk qk qk qk qk qk qk




depolarizations? (Points
qk qk




: 2) qk




a. PRS
b. QRS
c. QT interval qk




d. P: b.QRS q
k qk




12. Which organism is a common sexually transmitted bacterial infection? qk qk qk qk qk qk qk qk




(Points : 2)
qk qk qk




a. Staphylococcus aureus qk




b. Clostridium perfringens qk




c. Helicobacter pylori qk




d. Treponema pallidum: d.Treponema pallidum qk qk q
k qk




13. Which organ is stimulated during the alarm phase of the general adapta- qk qk qk qk qk qk qk qk qk qk qk




tion syndrome (GAS)?
qk qk qk




(Points :2) qk q
k




a. Adrenal cortex qk




b. Hypothalamus

qk qk