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Histology > Module 1 > Flashcards

Module 1 Flashcards

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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
Increased in RBC A) eryhtropenia B) erythrocytosis
B) erythrocytosis
26
Stacks of RBC A) band cells B) rouleaux formation
B) rouleaux formation
27
Normal count of RBC
4-5.5
28
Normal range of Hemoglobin
15-20gms
29
Average number of Leukocytes per mm3
5000-10000
30
Increased in Wbc (
Leucocytosis
31
Decrease in Wbc >5k
Leucopenia
32
Normal platelet count but abnormal function A) thrombocytosis B) thromobocytopenia C) thrombasthenia
C) thrombasthenia
33
It is the aid in the study of human body structure by the use of magnifying instrument called the microscope
Microscopy
34
The lymphatic system consists of two semi-independent parts:
Lymphatic vessels and lymphatic tissues and organs
35
It is the excess tissue fluid carried by lymphatic vessels
Lymph
36
The materials returned to the blood are:
Blood, water and protein
37
Harmful materials that enter the lymph are: A) bacteria and virus B) cell debris C) cancer cells D) all of the above
D) all of the above
38
What is the parenchyma cell of the lymphatic tissue?
Lymphocytes
39
The stroma, which is the supporting tissue, is formed of _____
Reticular tissue
40
It protects the internal environment against microorganism
Lymphoid organs and tissues
41
Lymphatic tissue is a component of _____
Immune system.
42
Dark staining lymphocytes
Small white blood cells
43
Play a vital role in initiation of immune response A) lymphocyte B) erythrocyte C) platelets
A) LYMPHOCYTE
44
Thru antigenic simulation, the ____sensitize and recognize foreign protein and they store information
Small lymphocytes
45
T and B lymphocytes are also called: A) mast cells B) memory cells C) stab cells D) juvenile cells
B) memory cells
46
What lymphocyte is humoral mediated? A) T lymphocyte B) B lymphocyte
B) B-lymphocytes
47
What lymphocyte is cell-mediated? A) T lymphocyte B) B lymphocyte
A) T lymphocyte
48
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) helper, killer, and suppressor cells
49
True or False: B lymphocyte has a longer life span than T lymphocyte
FALSE! t lymphocyte has longer life span than b lymphocyte
50
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
D) the high pressure inside the minivalves
51
If there is no pump in the lymphatic vessels, how does the lymph moves toward the heart?
Thru milking actions of the skeletal muscle and smooth muscle contractions in the vessel wall
52
Classification of Lymphatic Tissues: A) columnar,cuboidal and squamous B) loose, dense and nodular
B) loose, dense, and nodular
53
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) loose lymphatic tissue
54
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) loose lymphatic tissue
55
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) loose lymphatic tissue
56
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
B) dense lymphatic tissue
57
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
B) dense lymphatic tissue
58
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
C) NODULAR LT
59
Not permanent lymphatic tissue A) loose lymphatic tissue B) dense lymphatic tissue C) nodular lymphatic tissue
C) nodular lymphatic tissue
60
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) solitary lymphatic nodules
61
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
B) aggregates of lymphatic nodules
62
This is the only primary lymphatic organ: A) spleen B) palatine tonsils C) ileum D) thymus gland
D) thymus gland
63
Parenchyma cells of thymus gland A) thymocytes B)erythrocytes C)cortex and medullary
A) thymocytes
64
What is the shape of the stroma of thymus gland
Stellate
65
The stroma of thymus gland is formed by ____ but embryonic origin is ____
Epithelial reticular tissue, endoderm
66
The prenchyma cells of the thymus gland is formed at A) thymic cortex B) thymic medulla C) both thymic cortex and medulla
C) thymic cortex and medulla
67
Logic: Thymic cortex:dense LT: thymic medulla:
Loose LT
68
Thymic cortex: peripheral : thymic medulla
Center
69
Which parenchyma formation consist of T lymphocytes?
Thymus cortex
70
Active site of lymphocyte production in thymus gland A) thymic cortex B) thymic medullary
A) thymic cortex
71
Spherical/oval bodies composed concentrically arranged cells of epithelial reticular cells with acidophilic central area
Hassl's bodies/thymic corpuscles
72
Characteristic feature of thymus A) thymic corpuscle B) thymic medulla C) thymic cortex
A) thymic corpuscle/hassl's bodies
73
Supply the lymphocytes to the secondary organ A) lymph node B) thymus gland C) spleen
b) thymus gland
74
Indentation in the lymph node where the blood vessels enter and leave the organ
Hilus
75
Composed of lymphatic nodules which may have a germinal center sureounded by dense lymphatic tissue A) thymic cortex B)cortex of lymph node
B) cortex of lymph node
76
Deep inner cortex of the lymph node A) parenchyma cells B) hassl's bodies C)paracortical area
C) paracortical area
77
What is the lymphocyte in the paracortical area?
T lymphocytes
78
What are the lymphocytes in the lymph node?
T and B lymphocytes

Histology (3 decks)

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