An important function of the epithelium is secretion. Which cell organelle would be most important in such secretory epithelial cells

(1) Mitochondria

(2) endoplasmic reticulum

(3) Golgi apparatus

(4) Lysosomes

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Epithelial cells are connected to basement membrane by

(1) Tight junctions

(2) Adherens Junctions

(3) Desmosomes

(4) Hemidesmosomes

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Histamine in blood is released by

(1) Mast cells

(2) Macrophages

(3) Eosinophils

(4) Basophils

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Which of the following connective tissues is avascular, is aneural and has limited repair capabilities

(1) Cartilage

(2) Bone

(3) Ligament

(4) Tendon

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Apart from the hematopoietic cells, bone marrow is largely composed of

(1) areolar tissue

(2) adipose tissue

(3) white fibrous tissue

(4) epithelium

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Hyaline cartilage exists at all the following locations except

(1) Ventral end of ribs

(2) Articulating surfaces of the bones

(3) Epiglottis

(4) Larynx

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Bone mineral is a modified

(1) Collagen

(2) Hyaluronic acid

(3) Hydroxyapatite

(4) Ossein

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Dense irregular collagenous connective tissue is found in

(1) Dermis of the skin

(2) Tendons

(3) Ligaments

(4) Aponeurosis

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Smooth muscles do not contain

(1) Actin

(2) Myosin

(3) Cytoplasmic reticulum

(4) Troponin

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Which of the following is not associated with epithelium?

(1) Cells are compactly packed with no intercellular space

(2) It is highly vascularized

(3) It forms covering or lining of external and internal surfaces

(4) It helps in protection, secretion, absorption, respiration, etc.

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