The diffusion membrane is made up of: (A) Thick columnar epithelium of alveoli (B) Endothelium of alveolar capillaries (C) Basement substances in betw

The diffusion membrane is made up of: (A) Thick columnar epithelium of alveoli (B) Endothelium of alveolar capillaries (C) Basement substances in betw
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The diffusion membrane is made up of: (A) Thick columnar epithelium of alveoli (B) ... (C) Basement substances in between capillaries and alveoli
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The diffusion membrane is made up of: (A) Thick columnar epithelium of alveoli (B) Endothelium of alveolar capillaries (C) Basement substances in betw

Description : The diffusion membrane is made up of: (A) Thick columnar epithelium of alveoli (B) Endothelium of alveolar capillaries (C) Basement substances in betw

Last Answer : The diffusion membrane is made up of: (A) Thick columnar epithelium of alveoli (B) ... (C) Basement substances in between capillaries and alveoli

The alveolar epithelium in the lung is (a) non-ciliated columnar (b) non-ciliated squamous (c) ciliated columnar (d) ciliated squamous.

Description : The alveolar epithelium in the lung is (a) non-ciliated columnar (b) non-ciliated squamous (c) ciliated columnar (d) ciliated squamous.

Last Answer : b) non-ciliated squamous

Assertion`:-` Cells of epithelium tissues rest on a thin basement membrane. Reason`:-` Basement membrane has both fibrous and basal lamina secreted by

Description : Assertion`:-` Cells of epithelium tissues rest on a thin basement membrane. Reason`:-` Basement membrane has both fibrous and basal lamina secreted by

Last Answer : Assertion`:-` Cells of epithelium tissues rest on a thin basement membrane. Reason`:-` Basement membrane ... D. If both Assertion & Reason are false.

Basement membrane of epithelium tissue is composed of :-

Description : Basement membrane of epithelium tissue is composed of :-

Last Answer : Basement membrane of epithelium tissue is composed of :- A. Lypoprotein B. Polypeptide C. Mucopolysaccharide D. Mucopolysaccharide and glycoprotein

Blood capillaries are made of (a) endothelium, connective tissue and muscle fibres (b) endothelium and muscle fibres (c) endothelium and connective tissue (d) endothelium only.

Description : Blood capillaries are made of (a) endothelium, connective tissue and muscle fibres (b) endothelium and muscle fibres (c) endothelium and connective tissue (d) endothelium only.

Last Answer : d) endothelium only.

Which type of epithelium makes up the mucosa of the stomach? A. stratified squamous keratinized epithelium B. simple columnar epithelium C. stratified columnar epithelium D. simple squamous epithelium

Description : Which type of epithelium makes up the mucosa of the stomach? A. stratified squamous keratinized epithelium B. simple columnar epithelium C. stratified columnar epithelium D. simple squamous epithelium

Last Answer : C. stratified columnar epithelium

Assertion : Simple columner epithelium is also called as Germinal epithelium. Reason : Columnar cells of gonads forms gametes .

Description : Assertion : Simple columner epithelium is also called as Germinal epithelium. Reason : Columnar cells of gonads forms gametes .

Last Answer : Assertion : Simple columner epithelium is also called as Germinal epithelium. Reason : Columnar cells of ... D. If both Assertion & Reason are false.

Which of the following in incorrect statement of the simple columnar epithelium :-

Description : Which of the following in incorrect statement of the simple columnar epithelium :-

Last Answer : Which of the following in incorrect statement of the simple columnar epithelium :- A. It is composed ... walls of blood vessels and air sec of lungs

The phlegm that accumulates in the bronchi and cleared during coughing is (a) stratified squamous epithelium (b) stratified columnar epithelium (c) simple columnar ciliated epithelium (d) pseudostratified columnar ciliated epithelium

Description : The phlegm that accumulates in the bronchi and cleared during coughing is (a) stratified squamous epithelium (b) stratified columnar epithelium (c) simple columnar ciliated epithelium (d) pseudostratified columnar ciliated epithelium

Last Answer : Ans:(a)

What is columnar epithelium? Where do they occur?

Description : What is columnar epithelium? Where do they occur?

Last Answer : The epithelial tissues composed of tall, narrow and column or pillar like cells are called columnar epithelium. They are found in the inner lining of stomach, small intestine, pharynx, larynx and oviducts.

Stratum germinativum is an example of which kind of epithelium? (a) Columnar (b) Squamous (c) Cuboidal (d) Ciliated

Description : Stratum germinativum is an example of which kind of epithelium? (a) Columnar (b) Squamous (c) Cuboidal (d) Ciliated

Last Answer : (a) Columnar

The cells lining the blood vessels belong to the category of (a) smooth muscle tissue (b) squamous epithelium (c) columnar epithelium (d) connective tissue.

Description : The cells lining the blood vessels belong to the category of (a) smooth muscle tissue (b) squamous epithelium (c) columnar epithelium (d) connective tissue.

Last Answer : (b) squamous epithelium

The four sketches (A, B, C and D) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its correct location and function? (A) (B) (C) (D) Tissue Location Function (a) (B) Glandular Intestine Secretion epithelium (b) (C) Collagen Cartilage Attach skeletal fibres muscles to bones(c) (D) Smooth Heart Heart muscle contraction tissue (d) (A) Columnar Nephron Secretion epithelium and absorption

Description : The four sketches (A, B, C and D) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its ... Smooth Heart Heart muscle contraction tissue (d) (A) Columnar Nephron Secretion epithelium and absorption

Last Answer : (a) (B) Glandular Intestine Secretion epithelium

Presence of large number of alveoli around alveolar duncts opening into bronchioles in mommanlian lungs is

Description : Presence of large number of alveoli around alveolar duncts opening into bronchioles in mommanlian lungs is

Last Answer : Presence of large number of alveoli around alveolar duncts opening into bronchioles in mommanlian ... system of ventilation with little residual air

Which of the following statement(s) is/are true concerning CO2 transfer in the lung? a. Carbon dioxide excretion is a direct function of alveolar ventilation b. Normally end tidal CO2 should be identical to PaCO2 c. The gradient between end tidal and arterial CO2 can be an indirect measure of nonperfused alveoli d. Positive pressure ventilation under normal airway pressures creates a significant end tidal PaCO2 gradient

Description : Which of the following statement(s) is/are true concerning CO2 transfer in the lung? a. Carbon dioxide excretion is a direct function of alveolar ventilation b. Normally end tidal ... d. Positive pressure ventilation under normal airway pressures creates a significant end tidal PaCO2 gradient

Last Answer : Answer: a, b, c The amount of carbon dioxide excretion is directly related to alveolar ventilation. While oxygenation is a function of matching blood flow to alveoli, carbon dioxide excretion is ... high (over 30 cm H2O) and the compression volume is a significant component of each exhaled breath

Ependymal cells lining the cavity of brain and spinal cord constitute (a) epithelioid tissue (b) ealse epithelium (c) mesothelium (d) endothelium

Description : Ependymal cells lining the cavity of brain and spinal cord constitute (a) epithelioid tissue (b) ealse epithelium (c) mesothelium (d) endothelium

Last Answer : Ans:(b)

When Squamous epithelium is called endothelium?

Description : When Squamous epithelium is called endothelium?

Last Answer : When epithelium is found lining from inside, it is called endothelium.

The following cells contribute the wavefronts of the flash ERG: a. retinal pigment epithelium b. corneal endothelium c. photoreceptors d. ganglion cell

Description : The following cells contribute the wavefronts of the flash ERG: a. retinal pigment epithelium b. corneal endothelium c. photoreceptors d. ganglion cell

Last Answer : photoreceptors

In lungs, the air is separated from the venous blood through (a) transitional epithelium + tunica externa of blood vessel (b) squamous epithelium + endothelium of blood vessel (c) squamous epithelium + tunica media of blood vessel (d) none of the above

Description : In lungs, the air is separated from the venous blood through (a) transitional epithelium + tunica externa of blood vessel (b) squamous epithelium + endothelium of blood vessel (c) squamous epithelium + tunica media of blood vessel (d) none of the above

Last Answer : (b) squamous epithelium + endothelium of blood vessel

What process takes at the boundary between capillaries and the alveoli?

Description : What process takes at the boundary between capillaries and the alveoli?

Last Answer : The exchange of carbon dioxide to the lungs and oxygen from thelungs.

How is the alveoli adapted for gas exchange between air in the lungs and blood in the capillaries?

Description : How is the alveoli adapted for gas exchange between air in the lungs and blood in the capillaries?

Last Answer : Need answer

Which of the following types of lung cancer is characterized as fast growing and tending to arise peripherally? a) Large cell carcinoma Large cell carcinoma is a fast-growing tumor that tends to arise peripherally. b) Bronchioalveolar carcinoma Bronchioalveolar cell cancer arises from the terminal bronchus and alveoli and is usually slow-growing. c) Adenocarcinoma Adenocarcinoma presents as peripheral masses or nodules and often metastasizes. d) Squamous cell carcinoma Squamous cell carcinoma arises from the bronchial epithelium and is more centrally located.

Description : Which of the following types of lung cancer is characterized as fast growing and tending to arise peripherally? a) Large cell carcinoma Large cell carcinoma is a fast-growing tumor that ... cell carcinoma Squamous cell carcinoma arises from the bronchial epithelium and is more centrally located.

Last Answer : a) Large cell carcinoma Large cell carcinoma is a fast-growing tumor that tends to arise peripherally.

All of the following are keratinised EXCEPT of: A. Crevicular epithelium B. Palatal epithelium C. Alveolar mucosa D. Free gingiva E. Attached gingiva

Description : All of the following are keratinised EXCEPT of: A. Crevicular epithelium B. Palatal epithelium C. Alveolar mucosa D. Free gingiva E. Attached gingiva

Last Answer : A. Crevicular epithelium

In which point, pulmonary artery is different from pulmonary vein?(a) Its lumen is broad. (b) Its wall is thick. (c) It has valves. (d) It does not possess endothelium.

Description : In which point, pulmonary artery is different from pulmonary vein? (a) Its lumen is broad. (b) Its wall is thick. (c) It has valves. (d) It does not possess endothelium.

Last Answer : (b) Its wall is thick.

Substances insoluble in a membrane are carried across the membrane with the concentration gradient by means of a carrier molecule in a process known as: a) osmosis. b) diffusion. c) active transport. d) facilitated diffusion.

Description : Substances insoluble in a membrane are carried across the membrane with the concentration gradient by means of a carrier molecule in a process known as: a) osmosis. b) diffusion. c) active transport. d) facilitated diffusion.

Last Answer : ANSWER: D -- FACILITATED DIFFUSION.

The following are true about the cornea: a. the stroma contains collagen fibrils of regular thickness b. the Bowman's layer contains randomly arranged collagen fibrils c. the Bowman's layer is the basement layer of the epithelium d. type I collagen is the main type of collagen found in the cornea

Description : The following are true about the cornea: a. the stroma contains collagen fibrils of regular thickness b. the Bowman's layer contains randomly arranged collagen fibrils c. the Bowman's layer is the ... layer of the epithelium d. type I collagen is the main type of collagen found in the cornea

Last Answer : type I collagen is the main type of collagen found in the cornea

This epithelium is made up of a single thin layar of flattened cells and is involved in diffusion, it is found in : -

Description : This epithelium is made up of a single thin layar of flattened cells and is involved in diffusion, it is found in : -

Last Answer : This epithelium is made up of a single thin layar of flattened cells and is involved in diffusion, it ... C. Tubular parts of nephrons D. All of these

The exchange of gases in the alveoli of the lungs takes place by (a) passive transport (b) active transport (c) osmosis (d) simple diffusion.

Description : The exchange of gases in the alveoli of the lungs takes place by (a) passive transport (b) active transport (c) osmosis (d) simple diffusion.

Last Answer : d) simple diffusion.

The cornea: a. is thicker centrally than peripherally b. contains 10,000 endothelium cells per square mm at birth c.has an acellular collagenous stroma d. contain Descemet's membrane is produced by the endothelium e. has a refractive index of 1.38

Description : The cornea: a. is thicker centrally than peripherally b. contains 10,000 endothelium cells per square mm at birth c.has an acellular collagenous stroma d. contain Descemet's membrane is produced by the endothelium e. has a refractive index of 1.38

Last Answer : contain Descemet's membrane is produced by the endothelium

Choose the correct statement(s) about actions of insulin: A. It favours translocation of glucose transporters from intracellular site to the plasma membrane B. It enhances transcription of lipoprotein lipase in vascular endothelium C. It increases production of the enzyme glucokinase D. All of the above

Description : Choose the correct statement(s) about actions of insulin: A. It favours translocation of glucose transporters from intracellular site to the plasma membrane B. It enhances transcription of lipoprotein ... vascular endothelium C. It increases production of the enzyme glucokinase D. All of the above

Last Answer : D. All of the above

Most of the thickness of cornea is formed by: a. Epithelial layer b. Substantia propria c. Descemet's membrane d. Endothelium

Description : Most of the thickness of cornea is formed by: a. Epithelial layer b. Substantia propria c. Descemet's membrane d. Endothelium

Last Answer : ANSWER: B  

The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium

Description : The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium

Last Answer : A. Blood flow through the capillary

The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium

Description : The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium

Last Answer : A. Blood flow through the capillary

Basement membrane is made up of (a) no cell product of epithelial cell (b) epidermal cell only (c) endodermal cell (d) both (b) and (c).

Description : Basement membrane is made up of (a) no cell product of epithelial cell (b) epidermal cell only (c) endodermal cell (d) both (b) and (c).

Last Answer : (a) no cell product of epithelial cell

The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and / or characteristic. (a) C - Alveoli - Thin walled vascular bag like structures for exchange of gases. (b) D - Lower end of lungs - Diaphragm pulls it down during inspiration. (c) A - Trachea - Long tube supported by complete cartilaginous rings for conducting inspired air. (d) B - Pleural membrane - Surround ribs on both sides to provide cushion against rubbing.

Description : The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and / or characteristic. (a) C - ... air. (d) B - Pleural membrane - Surround ribs on both sides to provide cushion against rubbing.

Last Answer : (a) C - Alveoli - Thin walled vascular bag like structures for exchange of gases.

Alveolar membrane found in (a) Lung (b) Tooth (c) Coelom (d) None

Description : Alveolar membrane found in (a) Lung (b) Tooth (c) Coelom (d) None

Last Answer : (b) Tooth

Assertion `:-` Peritubular capillaries secrete substances in the convoluted tubules. Reason `:-` Harmful and useless substances which escaped ultrafil

Description : Assertion `:-` Peritubular capillaries secrete substances in the convoluted tubules. Reason `:-` Harmful and useless substances which escaped ultrafil

Last Answer : Assertion `:-` Peritubular capillaries secrete substances in the convoluted tubules. Reason `:-` Harmful ... D. If both Assertion & Reason are false.

Which one of the following correctly explains the function of a specific part of the human nephron? (a) Podocytes : create minute spaces (slit pores) for the filtration of blood into the Bowman’s capsule (b) Henle’s loop : most reabsorption of the major substances from the glomerular filtrate (c) Distal convoluted tubule : reabsorption of K+ ions into the surrounding blood capillaries (d) Afferent arteriole : carries the blood away from the glomerulus towards renal vein.

Description : Which one of the following correctly explains the function of a specific part of the human nephron? (a) Podocytes : create minute spaces (slit pores) for the filtration of blood into the ... blood capillaries (d) Afferent arteriole : carries the blood away from the glomerulus towards renal vein.

Last Answer : (a) Podocytes : create minute spaces (slit pores) for the filtration of blood into the Bowman’s capsule

Which of the following body substances causes increased gastric secretion, dilation of capillaries, and constriction of the bronchial smooth muscle? a) Histamine When cells are damaged, histamine is released.

Description : Which of the following body substances causes increased gastric secretion, dilation of capillaries, and constriction of the bronchial smooth muscle? a) Histamine When cells are damaged, ... Prostaglandin Prostaglandins are unsaturated fatty acids that have a wide assortment of biologic activity.

Last Answer : a) Histamine When cells are damaged, histamine is released.

Which of the following is not true of the blood-brain barrier: A. It is constituted by tight junctions between the endothelial cells of brain capillaries and the glial tissue B. It allows passage of lipid soluble drugs into the brain C. It limits entry of highly ionized drugs into the brain D. It regulates passage of substances from brain into blood

Description : Which of the following is not true of the blood-brain barrier: A. It is constituted by tight junctions between the endothelial cells of brain capillaries and the glial tissue B. It allows passage ... of highly ionized drugs into the brain D. It regulates passage of substances from brain into blood

Last Answer : D. It regulates passage of substances from brain into blood

Which of the following is not true of the blood-brain barrier: A. It is constituted by tight junctions between the endothelial cells of brain capillaries and the glial tissue B. It allows passage of lipid soluble drugs into the brain C. It limits entry of highly ionized drugs into the brain D. It regulates passage of substances from brain into blood

Description : Which of the following is not true of the blood-brain barrier: A. It is constituted by tight junctions between the endothelial cells of brain capillaries and the glial tissue B. It allows passage ... of highly ionized drugs into the brain D. It regulates passage of substances from brain into blood

Last Answer : D. It regulates passage of substances from brain into blood

Which of the following is not true of the blood-brain barrier: A. It is constituted by tight junctions between the endothelial cells of brain capillaries and the glial tissue B. It allows passage of lipid soluble drugs into the brain C. It limits entry of highly ionized drugs into the brain D. It regulates passage of substances from brain into blood

Description : Which of the following is not true of the blood-brain barrier: A. It is constituted by tight junctions between the endothelial cells of brain capillaries and the glial tissue B. It allows passage ... of highly ionized drugs into the brain D. It regulates passage of substances from brain into blood

Last Answer : D. It regulates passage of substances from brain into blood

Of the three layers of the skin, which is the thick, fat-containing layer? A. dermis B. epidermis C. epithelium D. subcutaneous tissue

Description : Of the three layers of the skin, which is the thick, fat-containing layer? A. dermis B. epidermis C. epithelium D. subcutaneous tissue

Last Answer : Ans: D

A horizontal stream of charged particles is accelerated to velocity `3 xx10^(7) m s^(-1)` immediately before being allowed into an electric field betw

Description : A horizontal stream of charged particles is accelerated to velocity `3 xx10^(7) m s^(-1)` immediately before being allowed into an electric field betw

Last Answer : A horizontal stream of charged particles is accelerated to velocity `3 xx10^(7) m s^(-1)` ... field between plates = rate of change of potential]

If a parameter is used in a query without being previously defined, what diff. exist betw. report 2.0 and 2.5 when the query is applied?

Description : If a parameter is used in a query without being previously defined, what diff. exist betw. report 2.0 and 2.5 when the query is applied?

Last Answer : While both reports 2.0 and 2.5 create the parameter, report 2.5 gives a message that a bind parameter has been created.

. The inner wall of a furnace is at a temperature of 700°C. The composite wall is made of two substances, 10 and 20 cm thick with thermal conductivities of 0.05 and 0.1 W.m-1.°C-1 respectively. The ambient air is at 30°C and the heat transfer co-efficient between the outer surface of wall and air is 20 W.m-2 .°C-1 . The rate of heat loss from the outer surface in W.m-2 is (A) 165.4 (B) 167.5 (C) 172.5 (D) 175

Description : . The inner wall of a furnace is at a temperature of 700°C. The composite wall is made of two substances, 10 and 20 cm thick with thermal conductivities of 0.05 and 0.1 W.m-1.°C-1 respectively. The ambient air is at 30°C ... from the outer surface in W.m-2 is (A) 165.4 (B) 167.5 (C) 172.5 (D) 175

Last Answer : (A) 165.4

Basement membrane is formed by

Description : Basement membrane is formed by

Last Answer : Basement membrane is formed by A. Epidermal cells B. Endodermal cells C. Both 1 and 2 D. None of the above present below epitehelial cells .

Basement membrane can not be sent in :

Description : Basement membrane can not be sent in :

Last Answer : Basement membrane can not be sent in : A. Strached Transitional Epithelium B. Sq. ... C. Columner Epithelium D. Unstreched transitional epithelium

Basement membrane is composed of : -

Description : Basement membrane is composed of : -

Last Answer : Basement membrane is composed of : - A. Hyaluronic Acid + glycomproteins B. Only mucopolysachaides C. Endodermis cell D. Epidermal calls

Olfactory Epithelium (Scheneidarian membrane) is composed of : -

Description : Olfactory Epithelium (Scheneidarian membrane) is composed of : -

Last Answer : Olfactory Epithelium (Scheneidarian membrane) is composed of : - A. Neuro sensory Epitheelium ... C. Simple cuboidal D. Germinal Epithelium