Question 1

Which specific type of epithelium lines the inner surface of blood vessels and is derived from the mesoderm?

Accepted Answer

Simple squamous epithelium (Endothelium)

Answer

Simple columnar epithelium

Answer

Stratified squamous keratinized epithelium

Answer

Transitional epithelium

Question 2

Which cell type found within connective tissue is responsible for the synthesis of the extracellular matrix components including collagen, elastin, and glycosaminoglycans?

Accepted Answer

Fibroblasts

Answer

Plasma cells

Answer

Mast cells

Answer

Adipocytes

Question 3

Which histological feature is a distinguishing characteristic of the tunica media in a large elastic artery, such as the aorta?

Accepted Answer

Fenestrated sheets of elastin

Answer

High density of longitudinal smooth muscle

Answer

A prominent internal elastic lamina

Answer

Presence of valves

Question 4

In the histology of blood, which leucocyte is characterized by a multi-lobed nucleus and specific granules containing enzymes like myeloperoxidase and lysozyme, serving as the first line of innate immune defense against bacterial infection?

Accepted Answer

Neutrophils

Answer

Lymphocytes

Answer

Eosinophils

Answer

Basophils

Question 5

Which component of the basement membrane is primarily responsible for anchoring the basal lamina to the underlying connective tissue through the use of type VII collagen?

Accepted Answer

Anchoring fibrils

Answer

Gap junctions

Answer

Hemidesmosomes

Answer

Tight junctions

Question 6

Which of the following describes the functional classification of an exocrine gland, such as a sebaceous gland, where the entire cell disintegrates to release its secretory product?

Accepted Answer

Holocrine

Answer

Apocrine

Answer

Merocrine

Answer

Paracrine

Question 7

Which specific type of connective tissue fiber is characterized by thin, branching structures composed of type III collagen and provides a supportive framework for hemopoietic and lymphoid organs?

Accepted Answer

Reticular fibers

Answer

Type I collagen fibers

Answer

Elastic fibers

Answer

Hyaline cartilage

Question 8

Which specialized cell-to-cell junctional complex is responsible for creating a selective permeability barrier by sealing the intercellular space between adjacent epithelial cells, thereby preventing the paracellular transport of large molecules?

Accepted Answer

Zonula occludens (Tight junctions)

Answer

Macula adherens (Desmosomes)

Answer

Gap junctions

Answer

Zonula adherens

Question 9

In the classification of connective tissue, which type is characterized by a high proportion of ground substance and a loose arrangement of fibers, primarily found underlying most epithelia and surrounding small blood vessels?

Accepted Answer

Loose (areolar) connective tissue

Answer

Mucoid connective tissue

Answer

Dense irregular connective tissue

Answer

Dense regular connective tissue

Question 10

The type of epithelium showing many layers is called

Accepted Answer

stratified

Answer

simple

Question 11

The parenchyma of nervous tissue contains

Accepted Answer

Neurons and Glial cells

Answer

Meninges

Answer

Neurons

Answer

CSF

Question 12

Which epithelium is the specialized epithelium concerned with the reception of sensory stimuli

Accepted Answer

neuro-epithelium

Answer

urothelium

Answer

Glandular

Answer

simple squamous

Question 13

Haematoylin is a_____________ dye

Accepted Answer

basic/ Cationic

Answer

Acidic/ Anionic

Question 14

Eosin stains the cytoplasm _________ and haemaoylin stains the nucleus _____________

Accepted Answer

pinkish red , deep purple

Answer

deep purple, pikish red

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