Medical Post Graduation | Pathology

Neoplasm Genetics Cell injury & adaptations Repair, healing & haemodynamic disorder Histopathology Inflammation Cell as a unit of health

Functions of platelet derived growth factor PDGF include

ক

Stimulation of angiogenesis

খ

Chemotaxis for macrophages

গ

Stimulation of platelet aggregation

ঘ

Inhibition of platelet aggregation

ঙ

Prevention of wound contraction

The major sources of stem cell are

ক

Whartonâs jelly

খ

Bone marrow

গ

Peripheral blood

ঘ

Umbilical cord blood

ঙ

Liposuction waste

Adult stem cells are

ক

Usually lineage-specific

খ

Capable of transdifferentiation

গ

Endowed with developmental plasticity

ঘ

Used for therapeutic cloning

ঙ

Used for production of âknockout miceâ in experimental models

The following statements are true for stem cells

ক

Stem cells from embryos are pluripotent

খ

Stem cells can be used in therapeutic purpose

গ

Stem cells have self renewal capacity

ঘ

Stem cells are capable to generate one cell lineage

ঙ

Adult tissues do not contain stem cells

Amyloid

ক

May cause renal failure

খ

Is present in medullary carcinoma of thyroid

গ

Occurs in chronic inflammatory disorders

ঘ

Is detected by PAS stain

ঙ

Is basophilic in H & E stain

Cellular adaptive responses include

ক

Metaplasia

খ

Hyperplasia

গ

Necrosis

ঘ

Fatty change

ঙ

Dysplasia

Cellular adaptation includes

ক

Atrophy

খ

Hyperplasia

গ

Hypertrophy

ঘ

Metastasis

ঙ

Dystrophy

Cellular adaptations include following conditions

ক

Hypertrophy

খ

Hyperplasia

গ

Atrophy

ঘ

Dystrophy

ঙ

Dysplasia

Adaptive changes of tissue are

ক

Hypertrophy

খ

Hyperplasia

গ

Metaplasia

ঘ

Dysplasia

ঙ

Dystrophy

The cellular adaptation includes

ক

Hyperplasia

খ

Atrophy

গ

Hypertrophy

ঘ

Apoptosis

ঙ

Calcification

Cellular adaptations are

ক

Atrophy

খ

Metaplasia

গ

Hyperplasia

ঘ

Agensis

ঙ

Dysplasia

Hypertrophy is associated with an

ক

Increase in the bulk of a tissue or organ

খ

Increase in functional capacity of organs

গ

Increase in the number of mitosis

ঘ

Increase in the number of cells in an organ or tissue

ঙ

Absolute decrease in interstitial tissue

Hypertrophy refers to

ক

Increase in the size of cells

খ

Increase in the size of affected organs

গ

Increased production of cellular proteins

ঘ

Increase in the number of cells

ঙ

Increased accumulation of cellular lipids

Hypertrophy of an organ

ক

Is prone to ischaemia

খ

Is a reversible process

গ

Means increased size due to increased number of cells

ঘ

Is always a pathological process

ঙ

Is not seen where permanent cells make up the tissue

Hyperplasia

ক

Results in increased cell numbers

খ

Occurs in uterus

গ

Results in increased cell size

ঘ

Occurs in myocardium

ঙ

Occurs in brain tissue