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2ND SEM PHYSIO > [RECALLS] 1st Evals - IMMUNOLOGY AND BLOOD (45 items) DR. DERECHO and Dr.Nobleza > Flashcards

[RECALLS] 1st Evals - IMMUNOLOGY AND BLOOD (45 items) DR. DERECHO and Dr.Nobleza Flashcards

1
Q

Which of the following produce large amounts of antibodies?

A

Plasma cell

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2
Q

Which glycoprotein is expressed on the surface of T-helper?

A

CD4

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3
Q

Which of the ff is not a major feature of the adaptive immune system?

a. contractility
b. irritability

A

a. contractility

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4
Q

Which of the ff is a transmembrane glycoprotein that serves as a coreceptor for cytotoxic t-cell?

A

CD8

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5
Q

Bitten by a dog and somebody gets the antibodies

A

Passive artificial

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6
Q

Parts of the innate immune system

A

AOTA

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7
Q

Protein secreted by virus

A

Interferon

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8
Q

Major innate mechanism that mediates destruction of foreign substances

A

MAC

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9
Q

Stimulate the proliferation of other lymphocytes.

A

Cytokines

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10
Q

Protects mucosal barrier

A

IgA

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11
Q

Involved in allergies

A

IgE

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12
Q

Mechanism of cytotoxic T-cell

A

Release perforins

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13
Q

What is opsonin?

A

For engulfing/phagocytosis

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14
Q

Soluble protein secreted by plasma cells

A

Antibodies

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15
Q

Atopy

A

Type 1 (house dust mites)

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16
Q

Which of the ff is a characteristic of anitbodies:

A

composed of heavy and light subunits

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17
Q

Which of the ff is associated with passive immunity:

A

Passive of IgG from mother to baby

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18
Q

B-lymphocyte develops immunocompetence in the:

A

Bone marrow

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19
Q

Which of the following is not true of the IgM?

A

Can cross the placenta.

*Only IgG can cross

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20
Q

Which of the following represents the main function of the IgD?

A

proliferation of B cell

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21
Q

What type of immunity develops during convalescence:

A

Natural active immunity

22
Q

What type of immunity develops during convalescence

A

Natural active immunity

23
Q

Which of the following is considered a primary lymphoid organ?

A

Thymus

24
Q

True statement for classical pathway except:

A

Can occur in the absence of an antibody

25
Q

Which of the following can be attributed to the antigen stimulated T-cell?

A

Cytokines

26
Q

If cells of an indiv is not agglutinated with anti-A or anti-B

A

Type O

27
Q

Exact binding site of an antigen is called:

A

Epitope

28
Q

Phagocytosis coating of a foreign substance

A

Opsonization

29
Q

Which statement is correct?

A

Only the humoral immunity primarily involves b-cells

30
Q

Increases during 2nd response:

A

IgG

31
Q

Which of the ff is a primary factor responsible for EPO secretion:

A

hypoxia

32
Q

In the presence of active bleeding erythropoiesis may be activated and results in which of the following?

A

increased reticulocytes

33
Q

Which of the ff is true of EPO?

A

necessary for differentiation of BFU to proerythroblast

34
Q

Which of the ff factors determine erythrocyte sedimentation rate:

A

fibrinogen level

35
Q

40 yo male complained of pain in the lower leg after a long flight; thrombus on popliteal vein; which is true?

A

has more fibrin

Vein: Fibrin
ARTERY: More platelets

36
Q

Which of the ff factors affect erythropoiesis results in failure of erythrocyte maturation:

A

cyanocobalamin

37
Q

When blood comes in contact w/ negative surface (Glass factor):

A

intrinsic pathway

38
Q

Fahraeus-lindqvist phenomenon:

A

relationship between radius and viscosity

39
Q

Common pathway in the coagulation cascade beings with:

A

Stuart factor

40
Q

refers to total fraction of column occupied by RBC:

A

hematocrit

41
Q

plasma can form a clot

A

true (naa pa siyay clotting factors)

42
Q

in which stage of erythropoiesis is hemoglobin completely synthesized?

A

orthochromic

43
Q

maturation of megakaryocytes and platelets depends on which of the ff

A

IL3 & TPO

44
Q

which of the ff activates the extrinsic pathway

A

tissue factor

45
Q

which of the ff is the most important component of RBC

A

hemoglobin

46
Q

increased ESR is due to

A

increase in density

47
Q

central protease of the coagulation cascade

A

thrombin

48
Q

trimolecular complex in the extrinsic pathway is formed by which of the ff except

A

factor 5

49
Q

plasmin can break down which of the following:

A

fibrinogen and fibrin

50
Q

a male has hematocrit level of 47; interpret:

A

elevated

2ND SEM PHYSIO (27 decks)

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