Haversian canal in the bone of mammals is connected by a small blood vessel canal called

a.   Schlemm's canal

b.   Volkmann's canal

c.   Portal capillaries

d.   Sinuses

 

Which of the following serve as the anchoring junctions between the cells?

(1) Tight junctions

(2) Gap junctions

(3) Desmosomes

(4) Nexuses

All the following statements regarding epithelial tissues are correct except

(1) the cells are completely packed with little intercellular matrix

(2) they do not have a vascular supply of their own

(3) cell junctions are very well developed in epithelial cells

(4) they rest on a cellular basement membrane

From which of the embryological germ layers is the epithelial tissue derived

(I) ectoderm

(II) mesoderm

(III) endoderm

(1) I & II are correct

(2) I & III are correct

(3) II & III are correct

(4) I & II & III are correct

Pseudostratified columnar epithelium with stereocilia are located in

(1) Trachea

(2) Vas Deferens

(3) Epididymis

(4) Endometrium

In which of the following types of gland, secretions are formed by the breakdown of entire cells

(1) Endocrine

(2) Holocrine

(3) Merocrine

(4) Autocrine

Cancers are often classified based on the type of tissue in which they develop. A cancer developing in the epithelial tissue will be classified as

(1) Adenoma

(2) Blastoma

(3) Carcinoma

(4) Sarcoma

What type of epithelium is the Urothelium?

(1) simple squamous

(2) stratified squamous keratinized

(3) pseudo-stratified non ciliated

(4) transitional

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

Epithelial cells are connected to basement membrane by

(1) Tight junctions

(2) Adherens Junctions

(3) Desmosomes

(4) Hemidesmosomes