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MODULE 3 & 4 (var) > Histology > Flashcards

Histology Flashcards

1
Q 
Part of the microvasculature except 
A. Muscular artery 
B. large arteriolar 
C. Capillaries 
D. Elastic artery
A

C.
Macrovasculature- large arterioles, muscular and elastic arteries, and muscular veins

Microvasculature - arterioles, venules, postcapillary vessels

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2
Q 
Part of the blood vascular sys, whose function is to carry the blood, with its nutrients and oxygen, to the tissues
A. Heart
B. capillary 
C. Vein 
D. Artery
A

D

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2
Q

Consist of HELICAL layer of smooth muscle
A. Tunica intima
B. tunica media
C. Tunica adventitia

A

B

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2
Q

First antibody produced in initial immune response

A

IgM

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3
Q

What layer or tunica can you usually see vasa vasorum

A

Tunica adventitia

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3
Q

Aka lymphoblast cells

A

Large lymphocytes

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4
Q

True or false. Arteries are EFFERENT vessels

A

True

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5
Q

What antibody acts as antigen receptor to trigger initial B cell activation

A

IgD

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7
Q

Organ whose function is to pump blood

A

Heart

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7
Q

Veins have ______, arteries have _____
A. Thin tunica externa, thin tunica media
B. thin tunica externa, thick tunica media
C. Thick tunica externa, thin tunica media
D. Thick tunica externa, thick tunica media

A

D

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7
Q

Secretory IgA are composed of 2-3 monomers that is united by what polypeptide chain

A

Protein J

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7
Q

Largest immunoglobulin

A

IgM. Mabilis and malaki. First to react and pentamer

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8
Q

True or false. Endothelium are true epithelium

A

False

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8
Q

True or false. Lymph movement is ALWAYS towards the heart

A

True

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9
Q

Where can you find baroreceptors
A. Carotid body
B. carotid sinus

A

B.

carotid body - chemoreceptors

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9
Q

glycoprotein that interacts specifically with an antigenic determinant

A

Antibody

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11
Q

Function of left ventricle and left atrium respectively
A. Pump blood to lungs, receive blood from body
B. pump blood to lungs, receive blood from pulmonary vein
C. Pump blood to rest of body, receive blood from body
D. Pump blood to rest of body, receive blood from pulmonary vein

A

D.

Right ventricle and right atrium yun letter A

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12
Q 
Where can you find purkinjie fibers
A. Endothelium
B. subendothelium
C. Myocardium 
D. Pericardium
A

B

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12
Q

True or false. Membrane bound IgM activates the complement system

A

False. Secretory IgM dapat. Function of membrane bound IgM is as receptor site for antigen g

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13
Q 
site of interchanges between blood and the surrounding tissues both under normal conditions and during inflammatory processes
A. Macrovasculature 
B. microvasculature
C. Both 
D. None of the above
A

B

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15
Q

cytokines that induce diapedesis of leukocytes and migration to sites of inflammation

A

Chemokines or chemotaxins

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16
Q

Where is the SA and AV node located

A

Right atrium

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16
Q

Continuous with the organ
A. Tunica intima
B. tunica media
C. Tunica adventitia

A

C.

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16
Q

excess tissue fluid carried by lymphatic vessels

A

Lymph

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16
Q

Lymphatic classification found in the lamina propia of appendix

A

Dense lymphatic tissue along with LP of ileum, colon

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18
Q

Basis for development of. Varicose veins

A

Valve failure in the legs

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19
Q

Composed of cords of dense connective tissue extending from the valves and attached to papillary muscles that help prevent valves from turning inside-out during ventricular contraction

A

Chorda tendinae

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19
Q

Lymphatic tissues are made primarily of what cell type

A

Lymphocytes

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20
Q

Consist of type I collagen and elastin
A. Tunica intima
B. tunica media
C. Tunica adventitia

A

C

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20
Q

only primary lymphatic organ

A

Thymus gland

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21
Q

True or false, capillaries also has tunica intima, tunica media, Tunica adventitia

A

False. They only have endothelium. No subendothelium or tunica..

21
Q

Characteristic feature of thymus

A

Thymic corpuscles or Hassl’s bodies

22
Q

Tunica intima is separated to tunica media by

A

Internal elastic lamina

Media and adventitia separated by external elastic lamina

22
Q

Largest lymphatic organ

A

Spleen

24
Q

True or false. Perforation of elastic lamina DECREASES with age

A

False. Increases
Newborn 40
Adult 70

24
Q

Atherosclerosis is the thickening of what layer of the artery

A

Tunica intima

25
Q

Weakening of tunica media of an artery may lead to what disease

A

Aneurysm

25
Q

site of leukocyte exit from vasculature

A

Small veins

27
Q 
After injury pericytes become 
A. Tunica intima
B. tunica media
C. Tunica externa
D. Two of the above
A

B

27
Q

True or false. The cells of the immune system recognize and react to the whole antigen molecule

A

False, they only react to epitopes

28
Q 
main sites for the exchange of O2 and CO2 between inspired air and blood
A. Bronchus
B. bronchioles
C. Alveoli
D. Nasal cavity
A

Alveoli

28
Q

Acts as electrical insulation between atria and ventricles

A

Cardiac skeleton

29
Q

Aka windpipe

A

Bronchi

29
Q

central pale staining portion of a lymphatic nodule

A

Germinal center

30
Q 
Portion of the conducting portion of the respiratory sys except 
A. Bronchi 
B. bronchioles 
C. Nasal cavity 
D. Alveoli
A

D.
Conducting portion - nasal cavity, bronchi, terminal bronchioles, nasopharynx, trachea, larynx

Respiratory portion - respiratory bronchioles, alveoli, alveoli ducts

30
Q

Most abundant immunoglobulin

A

IgG. Placental transfer

31
Q 
Part of the respiratory sys, where actual exchange of gas occurs 
A. Conducting 
B. respiratory
C. Both
D. None
A

B.

Conducting- bring air to the lungs

31
Q

principal attachment for the cardiac muscles and AV valves

A

Annuli fibrosi

32
Q

Morphology of respiratory epithelium

A

Ciliated Pseudo stratified columnar epithelium

33
Q

What protein is deficient in immotile cilia syndrome

A

Dynein

34
Q 
Smokers' respiratory tract has the ff characteristics except 
A. More rapid clearance
B. decrease movement of mucous layer 
C. Reduce goblet cells 
D. Reduce ciliated cell
A

C. Goblet cells increase

35
Q 
The ff are covered by respiratory epithelium except 
A. Inferior conchae
B. middle conchae 
C. Superior conchae 
D. Alveoli
A

C. It is covered by olfactory epithelium

36
Q

Which part of the respiratory tract is rigid, short passage for air between the pharynx and the trachea

A

Larynx

37
Q

Morphology of the lingual surface of the epiglottis

A

Stratified squamous epithelium

38
Q

Ventricular contraction

A

Systole

Diastole-ventricular relaxation

39
Q 
Veins have \_\_\_\_\_\_, arteries have \_\_\_\_\_
A. Thin tunica externa, wide lumen
B. thin tunica externa, narrow lumen 
C. Thick tunica externa, wide lumen
D. Thick tunica externa, narrow lumen
A

D.

40
Q 
Carries un oxygenated blood to the heart
A. Heart 
B. capillary 
C. Vein
D. Artery
A

C

41
Q 
Antibodies are bound by
 A. Disulfide bond and covalent bonds
B. disulfide bond and non covalent bonds
C. Disulfide bonds only 
D. Covalent bonds only
 E. non covalent bonds only
A

B

42
Q

True or false. Ventricular walls are THICKER than arterial walls

A

True

44
Q 
Secondary lymphoid organ except
 A. lymph nodes
B. mucosa-associated lymphoid tissue
c. spleen
D. Thymus
A

D. Primary un along with bone marrow

46
Q

The internal surface of all components of the blood and lymphatic systems is lined by a single layer of a squamous epithelium called _______

A

Endothelium

47
Q 
An antibody has/have \_\_\_ binding site 
A. 0
B. 1
C. 2
D. 3 
E. it varies on what antibody
A

C

49
Q 
Part of the blood vascular sys, whose walls the interchange between blood and tissues takes place
A. Heart
B. artery
C. Vein
D. Capillary
A

D

51
Q

Action of the parasympathetic and sympathetic nerves on the heart
A. Slow heartbeat, accelerates heart rhythm
B. fast heartbeat, accelerates heart rhythm
C. Slow heartbeat, decelerates heart rhythm
D. Fast heartbeat, decelerates heart rhythm

A

A

52
Q

Major immunoglobulins found of B cell surfaces A. IgM , IgA
B. IgG, IgM
C. IgE, IgA
D. IgM, IgD

A

D

53
Q

Majority of the lymphocytes are
A. Small
B medium
C. Large

A

A

55
Q

Steps in antigen inactivation
A. neutralization
B. complement activation
C. opsonization of antigens by antibodies stimulates phagocytosis;
d. Agglutination
e. cytotoxicity mediated by cells
f. opsonization of antigens by complement stimulates their phagocytosis

A

D f c a e b

56
Q

Smallest part of the blood vascular sys

A

Capillaries

57
Q 
Which of the ff is correct 
A. T cell- humoral immunity
B. T cell longer lifespan 
C. B cell more than T cell
D. T cell have antibodies
A

B

58
Q 
Results from convergence of capillaries 
A. Heart
B. capillary 
C. Vein
D. Artery
A

C

59
Q

Acts as a semipermeable membrane between blood and interstitial tissue

A

Endothelium

60
Q

Epicardium is lined by

A

Mesothelium

61
Q 
Valves in lymph capillaries are closed when 
A. Pressure inside is lower 
B. pressure outside is lower 
C. Volume inside is higher 
D.volume outside is higher.
A

B

67
Q

The stroma of lymphatic tissues is made of
A. Reticular tissues
B. collagenous tissue
C. Elastic tissues

A

A

70
Q 
AIDS kills
 A. CD4
B. CD8
C. B cells 
D. CD 25
A

CD4 or t helper

76
Q 
Binding site of an antibody is composed of 
A. Fc region and variable region
 B. 2 heavy chain and 2 light chain 
C. 1 heavy chain , 1 light chain
 D. Varies
A

C.

MODULE 3 & 4 (var) (5 decks)

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