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Histology > Module 1 > Flashcards

Module 1 Flashcards

1
Q

Its capacity to give images of objects close together.

A

Resolution capacity

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2
Q

Stimulates the production of RBC

A)Golgi Apparatus
B) Hemoglobin
C) Electrophoresis
D) Erythropoietin

A

D) ERYTHROPOIETIN

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3
Q

True or False

Average hematocrit is about 45% RBC

A

TRUE 👍🏻

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4
Q

An iron-containing biomolecule that can bind oxygen and responsible for the red color in of the cells.

A

Hemoglobin

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5
Q

Store oxygen in the muscle cells

A

Myoglobin

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6
Q

True or False

Blood is composed of formed elements (50%) and plasma (50%)

A

FALSE! Elements (45%) and Plasma (55%)

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7
Q

The chief site is yolk sac.

A) Hepatic Period
B) mesoblastic period

A

B) mesoblastic period

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8
Q

True or false:

In the 3rd week of Mesoblastic period, aggregation of the primitive cells and formation of blood islands in the yolk sac occurs.

A

False; 2nd week

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9
Q

The _____ wk of fetal life, primitive cells developed.

A) 8th wk
B) 10
C) 7
D) 9

A

D) 9th week

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10
Q

The site of production is in the liver

A

Hepatic Period

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11
Q

True or False

The spleen is still active in the end of normal gestation in erythropoiesis and minimal by 5th month ib myelopoiesis.

A

True!

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12
Q

T cell production during Hepatic Period

A

Thymus

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13
Q

B cell production during hepatic period

A

Kidney

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14
Q

Spleen is active in the lymphopoiesis:

A) during the 6month
B) Lifetime

A

B) lifetime

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15
Q

Chief site of Myleoid period/medullary period:

A) liver
B) yolk sac
C) kidney
D) red bone marrow

A

D) red bone marrow

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16
Q

Starts in the 3rd month of fetal life:

A) hepatic period
B) mesoblastic period
C) medullary period

A

c) hepatic period

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17
Q

Starts in 2nd week of fetal life:

A) hepatic period
B) mesoblastic period
C) medullary period

A

B) mesoblastic period

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18
Q

Starts in the 5th month of fetal life

A) hepatic period
B) mesoblastic period
C) medullary period

A

C) medullary period

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19
Q

Responsible for normal development of some lymphocytes:

A) bursa fabricus
B) thymus gland

A

B) thymus gland

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20
Q

Found in birds with possible analogous tissue in man. Responsible for nomal antibody production.

A) thymus gland
B) bursa fabricus

A

B) bursa fabricus

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21
Q

Produced by PERITUBULAT INTERSTITUAL CELLS OF KIDNEYS

A) erythrocytes
B) reticulocyte
C) erythropoietin

A

C) erythropoietin

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22
Q

Deviation in the shape of RBC

A) poikilocytosis
B) anisocytosis

A

B) POIKILOCYTOSIS

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23
Q

Deviation in the size of RBC

A) poikilocytosis
B) anisocytosis

A

B) anisocytosis

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24
Q

Decreased in RBC

A) eryhtropenia
B) erythrocytosis

A

A) erythropenia

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25
Q

Increased in RBC

A) eryhtropenia
B) erythrocytosis

A

B) erythrocytosis

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26
Q

Stacks of RBC

A) band cells
B) rouleaux formation

A

B) rouleaux formation

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27
Q

Normal count of RBC

A

4-5.5

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28
Q

Normal range of Hemoglobin

A

15-20gms

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29
Q

Average number of Leukocytes per mm3

A

5000-10000

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30
Q

Increased in Wbc (

A

Leucocytosis

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31
Q

Decrease in Wbc >5k

A

Leucopenia

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32
Q

Normal platelet count but abnormal function

A) thrombocytosis
B) thromobocytopenia
C) thrombasthenia

A

C) thrombasthenia

33
Q

It is the aid in the study of human body structure by the use of magnifying instrument called the microscope

A

Microscopy

34
Q

The lymphatic system consists of two semi-independent parts:

A

Lymphatic vessels and lymphatic tissues and organs

35
Q

It is the excess tissue fluid carried by lymphatic vessels

A

Lymph

36
Q

The materials returned to the blood are:

A

Blood, water and protein

37
Q

Harmful materials that enter the lymph are:

A) bacteria and virus
B) cell debris
C) cancer cells
D) all of the above

A

D) all of the above

38
Q

What is the parenchyma cell of the lymphatic tissue?

A

Lymphocytes

39
Q

The stroma, which is the supporting tissue, is formed of _____

A

Reticular tissue

40
Q

It protects the internal environment against microorganism

A

Lymphoid organs and tissues

41
Q

Lymphatic tissue is a component of _____

A

Immune system.

42
Q

Dark staining lymphocytes

A

Small white blood cells

43
Q

Play a vital role in initiation of immune response

A) lymphocyte
B) erythrocyte
C) platelets

A

A) LYMPHOCYTE

44
Q

Thru antigenic simulation, the ____sensitize and recognize foreign protein and they store information

A

Small lymphocytes

45
Q

T and B lymphocytes are also called:

A) mast cells
B) memory cells
C) stab cells
D) juvenile cells

A

B) memory cells

46
Q

What lymphocyte is humoral mediated?

A) T lymphocyte
B) B lymphocyte

A

B) B-lymphocytes

47
Q

What lymphocyte is cell-mediated?

A) T lymphocyte
B) B lymphocyte

A

A) T lymphocyte

48
Q

T lymphocytes gives rise to

A) Helper cells, killer cells, suppressor cells
B) neutrophils, eosinophil, basophil
C) plasma cells
D) none of the above

A

A) helper, killer, and suppressor cells

49
Q

True or False:

B lymphocyte has a longer life span than T lymphocyte

A

FALSE! t lymphocyte has longer life span than b lymphocyte

50
Q

What closes the minivalves in the lymphatic vessels?

A) the high pressure outside the minivalves
B) since it is a one-way valve, it automatically close
C) the low pressure inside the minivalves.
D) the high pressure inside the minivalves

A

D) the high pressure inside the minivalves

51
Q

If there is no pump in the lymphatic vessels, how does the lymph moves toward the heart?

A

Thru milking actions of the skeletal muscle and smooth muscle contractions in the vessel wall

52
Q

Classification of Lymphatic Tissues:

A) columnar,cuboidal and squamous
B) loose, dense and nodular

A

B) loose, dense, and nodular

53
Q

It can be found in the lamina propria of the UPPER tracts of the respiratory and alimentary (trachea and esophagus)

A) loose lymphatic tissue
B) dense lymphatic tissue
C) nodular lymphatic tissue

A

A) loose lymphatic tissue

54
Q

It can be found in the internodular deep cortica and medullary sheets of the spleen.

A) loose lymphatic tissue
B) dense lymphatic tissue
C) nodular lymphatic tissue

A

A) loose lymphatic tissue

55
Q

Found in the internodular regions of the tonsils and peyer’s patches (ilieum)

A) loose lymphatic tissue
B) dense lymphatic tissue
C) nodular lymphatic tissue

A

A) loose lymphatic tissue

56
Q

This type of lymphatic tissue has abundant lymphocyte cells that are closely packed together:

A) loose lymphatic tissue
B) dense lymphatic tissue
C) nodular lymphatic tissue

A

B) dense lymphatic tissue

57
Q

Can be found in the lamina propria of the LOWER Tracts of the respiratory and digestive.

A) loose lymphatic tissue
B) dense lymphatic tissue
C) nodular lymphatic tissue

A

B) dense lymphatic tissue

58
Q

This lymphatic tissue is compact, limited aggregation of lymphocytes forming follicles or nodules

A) loose lymphatic tissue
B) dense lymphatic tissue
C) nodular lymphatic tissue

A

C) NODULAR LT

59
Q

Not permanent lymphatic tissue

A) loose lymphatic tissue
B) dense lymphatic tissue
C) nodular lymphatic tissue

A

C) nodular lymphatic tissue

60
Q

This nodular lymphatic tissue can be found widely distributed in the lamina propria of respiratory, digestive and urinary tracts

A) solitary lymphatic nodules
B) aggregates of lymphatic nodules

A

A) solitary lymphatic nodules

61
Q

This NLT can be found in the wall of ileum and vermiform appendix

A) loose lymphatic tissue
B) aggregates of LN
C) nodular lymphatic tissue

A

B) aggregates of lymphatic nodules

62
Q

This is the only primary lymphatic organ:

A) spleen
B) palatine tonsils
C) ileum
D) thymus gland

A

D) thymus gland

63
Q

Parenchyma cells of thymus gland

A) thymocytes
B)erythrocytes
C)cortex and medullary

A

A) thymocytes

64
Q

What is the shape of the stroma of thymus gland

A

Stellate

65
Q

The stroma of thymus gland is formed by ____ but embryonic origin is ____

A

Epithelial reticular tissue, endoderm

66
Q

The prenchyma cells of the thymus gland is formed at

A) thymic cortex
B) thymic medulla
C) both thymic cortex and medulla

A

C) thymic cortex and medulla

67
Q

Logic:

Thymic cortex:dense LT: thymic medulla:

A

Loose LT

68
Q

Thymic cortex: peripheral : thymic medulla

A

Center

69
Q

Which parenchyma formation consist of T lymphocytes?

A

Thymus cortex

70
Q

Active site of lymphocyte production in thymus gland

A) thymic cortex
B) thymic medullary

A

A) thymic cortex

71
Q

Spherical/oval bodies composed concentrically arranged cells of epithelial reticular cells with acidophilic central area

A

Hassl’s bodies/thymic corpuscles

72
Q

Characteristic feature of thymus

A) thymic corpuscle
B) thymic medulla
C) thymic cortex

A

A) thymic corpuscle/hassl’s bodies

73
Q

Supply the lymphocytes to the secondary organ

A) lymph node
B) thymus gland
C) spleen

A

b) thymus gland

74
Q

Indentation in the lymph node where the blood vessels enter and leave the organ

A

Hilus

75
Q

Composed of lymphatic nodules which may have a germinal center sureounded by dense lymphatic tissue

A) thymic cortex
B)cortex of lymph node

A

B) cortex of lymph node

76
Q

Deep inner cortex of the lymph node

A) parenchyma cells
B) hassl’s bodies
C)paracortical area

A

C) paracortical area

77
Q

What is the lymphocyte in the paracortical area?

A

T lymphocytes

78
Q

What are the lymphocytes in the lymph node?

A

T and B lymphocytes

Histology (3 decks)

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