Very high number of alveoli present in a lung is meant for

Very high number of alveoli present in a lung is meant for
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Very high number of alveoli present in a lung is meant for A. More space for increasing ... . Making the organ spongy D. Increasing nerve supply
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Which of the following statement(s) is/are true concerning carbon dioxide kinetics? a. The amount of carbon dioxide produced is equivalent to the amount of oxygen consumed b. Carbon dioxide levels in blood, present mostly as a bicarbonate ion, can quickly change c. Normally the amount of carbon dioxide excreted through the lung is exactly equal to the amount of carbon dioxide produced in peripheral tissues d. The amount of carbon dioxide excreted is a function of ventilation of perfused alveoli

Description : Which of the following statement(s) is/are true concerning carbon dioxide kinetics? a. The amount of carbon dioxide produced is equivalent to the amount of oxygen consumed b. Carbon dioxide levels ... tissues d. The amount of carbon dioxide excreted is a function of ventilation of perfused alveoli

Last Answer : Answer: a, c, d The total amount of carbon dioxide produced by systemic metabolism is roughly equivalent to the amount of oxygen consumed (100-120 cc/m2/min, 200 cc/min in a typical ... carbon dioxide excreted is a function of ventilation of perfused alveoli (i.e. the alveolar ventilation/min).

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

Which of the following conditions related to smoking involves damage to the alveoli sacs? A. Lung Cancer B. Atherosclerosis C. Emphysema (Answer) D. Asthma

Description : Which of the following conditions related to smoking involves damage to the alveoli sacs? A. Lung Cancer B. Atherosclerosis C. Emphysema (Answer) D. Asthma

Last Answer : C. Emphysema (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.

Assertion `:-` Bohr effect occur at the level of alveoli of lungs. Reason `:-` High concentratio of `CO_(2)` allow dissociation of oxyhaemoglobin.

Description : Assertion `:-` Bohr effect occur at the level of alveoli of lungs. Reason `:-` High concentratio of `CO_(2)` allow dissociation of oxyhaemoglobin.

Last Answer : Assertion `:-` Bohr effect occur at the level of alveoli of lungs. Reason `:-` High concentratio ... False. D. If both Assertion & Reason are false.

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

Radioimmunoassay (RIA) is a therapy used - (1) to cure lung cancer (2) to cure AIDS (3) to cure fractures in bones (4) to detect antibodies and hormones present in the blood samples

Description : Radioimmunoassay (RIA) is a therapy used - (1) to cure lung cancer (2) to cure AIDS (3) to cure fractures in bones (4) to detect antibodies and hormones present in the blood samples

Last Answer : (4) to detect antibodies and hormones present in the blood samples Explanation: Radioimmunoassay (RIA) is a very sensitive in vitro assay technique used to measure concentrations of antigens (for ... licensing, since radioactive substances are used. Today it has been supplanted by the ELISA method.

Most of the glycogen in the animal body is present in B A. Spleen B. Liver C. Lung D. Heart

Description : Most of the glycogen in the animal body is present in B A. Spleen B. Liver C. Lung D. Heart

Last Answer : Liver

Sulphur dioxide present in the industrial chimney exhaust gases causes (A) Respiratory & lung disease (B) Reduction in plant's productivity owing to acid rain (C) Corrosion of building materials (D) All (A), (B) and (C)

Description : Sulphur dioxide present in the industrial chimney exhaust gases causes (A) Respiratory & lung disease (B) Reduction in plant's productivity owing to acid rain (C) Corrosion of building materials (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

-yr old sustained trauma to the chest present with severe short of breath with cyanosis, his rt lung is silent with hyperresonance. The FIRST step to treat this pt: a. O2 mask b. Tube thoracostomy c. CXR _______________

Description : -yr old sustained trauma to the chest present with severe short of breath with cyanosis, his rt lung is silent with hyperresonance. The FIRST step to treat this pt: a. O2 mask b. Tube thoracostomy c. CXR _______________

Last Answer : a. O2 mask

What naturally occurring radioactive substance present in indoor air is suspected as the second leading cause of lung cancer?

Description : What naturally occurring radioactive substance present in indoor air is suspected as the second leading cause of lung cancer? 

Last Answer : ANSWER: RADON 

Radioimmunoassay (RIA) is a therapy used (1) to cure lung cancer (2) to cure AIDS (3) to cure fractures in bones (4) to detect antibodies and hormones present in the blood samples

Description : Radioimmunoassay (RIA) is a therapy used (1) to cure lung cancer (2) to cure AIDS (3) to cure fractures in bones (4) to detect antibodies and hormones present in the blood samples

Last Answer : to detect antibodies and hormones present in the blood samples

What is the function of the alveoli?

Description : What is the function of the alveoli?

Last Answer : A: The alveoli are tiny air sacs in the lungs where gas exchange occurs, with oxygen entering the bloodstream and carbon dioxide being removed from the bloodstream.

Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning. -Biology

Description : Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning. -Biology

Last Answer : Alveoli Nephron 1. Alveoli are functional unit of lungs. 1. Nephrons are functional unit of kidney. 2. A mature lung has about 30 crore alveoli. 2. A kidney has about ... of capillaries in alveoli. 4. The Bowman's capsule in nephron regulates the concentration of water and salts.

How are the alveoli designed to maximise the exchange of gases ? -Biology

Description : How are the alveoli designed to maximise the exchange of gases ? -Biology

Last Answer : (i) The alveoli are thin walled and richly supplied with a network of blood vessels to facilitate exchange of gases between blood and the air filled in alveoli. (ii) Alveoli have balloon-like structure. Hence, provide maximum surface for exchange of gases.

which of the following best describes what alveoli are? -General Knowledge

Description : which of the following best describes what alveoli are? -General Knowledge

Last Answer : C. They are found on the end of bronchioles.

How are the alveoli designed to maximise the exchange of gases? -Biology

Description : How are the alveoli designed to maximise the exchange of gases? -Biology

Last Answer : Alveoli are small pouches or sacs like structure. They are surrounded by blood capillaries. Thus a large amount of air is brought in contact with the air in the lungs. More than millions of ... area for the exchange of gases. The availability of large surface area maximises the exchange of gases.

Define alveoli. -Biology

Description : Define alveoli. -Biology

Last Answer : answer:

What is the name of the tiny blood vessels that surround the alveoli?

Description : What is the name of the tiny blood vessels that surround the alveoli?

Last Answer : These are called the alveoli capillaries.

Match the columns `{:(,"Column I",,"Column II"),(a,"Bicuspid valve",p,"Brain"),(b,"Nephron",q,"Liver"),(c,"Alveoli",r,"Heart"),(d,"Cerebrum",s,"Kidney

Description : Match the columns `{:(,"Column I",,"Column II"),(a,"Bicuspid valve",p,"Brain"),(b,"Nephron",q,"Liver"),(c,"Alveoli",r,"Heart"),(d,"Cerebrum",s,"Kidney

Last Answer : Match the columns `{:(,"Column I",,"Column II"),(a,"Bicuspid valve",p,"Brain"),(b,"Nephron",q,"Liver"),(c,"Alveoli" ... ,c-t,d-p` D. `a-s,b-q,c-p,d-t`

Assertion `:-` In the alveoli, dissociation of `CO_(2)` from carbamino-haemoglobin takes place Reason `:-` In the alveoli `P_(CO_(2))` is low and `P_(

Description : Assertion `:-` In the alveoli, dissociation of `CO_(2)` from carbamino-haemoglobin takes place Reason `:-` In the alveoli `P_(CO_(2))` is low and `P_(

Last Answer : Assertion `:-` In the alveoli, dissociation of `CO_(2)` from carbamino-haemoglobin takes place Reason ` ... . D. If both Assertion & Reason are false.

Partial pressur eof oxygen in alveoli , atmospheric air and tissue will be

Description : Partial pressur eof oxygen in alveoli , atmospheric air and tissue will be

Last Answer : Partial pressur eof oxygen in alveoli , atmospheric air and tissue will be A. 40,159,45 B. 40,0.3,45 C. 104,159,40 D. 104,0.3,45

Every 100ml deoxygenated blood delivers around `___________________` `CO_(2)` to alveoli `:-`

Description : Every 100ml deoxygenated blood delivers around `___________________` `CO_(2)` to alveoli `:-`

Last Answer : Every 100ml deoxygenated blood delivers around `___________________` `CO_(2)` to alveoli `:-` A. 20ml B. 4 ml C. 5 ml D. 25ml

Partial pressure of carbon dioxide in Alveoli , atmospheric air and tissures will be `:-`

Description : Partial pressure of carbon dioxide in Alveoli , atmospheric air and tissures will be `:-`

Last Answer : Partial pressure of carbon dioxide in Alveoli , atmospheric air and tissures will be `:-` A. 0.3,40,45 B. 40,0.3,45 C. 0.3,104,28 D. 104,159,40

Wall of alveoli is composed of

Description : Wall of alveoli is composed of

Last Answer : Wall of alveoli is composed of A. Simple squamous epithelium B. Simple cuboidalepithelium C. Pseudostratified epithelium D. Simple columnar epithelium

`{:("Respiration","Atmosphere","Alveoli","Deoxygenated blood","Oxygenated blood","Tissue"),(O_(2),159,104,B,95,D),(CO_(2),0.3,A,45,C,45):}` Correct op

Description : `{:("Respiration","Atmosphere","Alveoli","Deoxygenated blood","Oxygenated blood","Tissue"),(O_(2),159,104,B,95,D),(CO_(2),0.3,A,45,C,45):}` Correct op

Last Answer : `{:("Respiration","Atmosphere","Alveoli","Deoxygenated blood","Oxygenated blood","Tissue"),(O_(2),159,104,B,95,D) ... 45, 40, 95, 40 D. 40, 45, 40, 40

Which of the following pairs of reaction occurs most frquently in the blood surrounding alveoli ?

Description : Which of the following pairs of reaction occurs most frquently in the blood surrounding alveoli ?

Last Answer : Which of the following pairs of reaction occurs most frquently in the blood surrounding alveoli ? A. `Hb + O_(2) ... (2)CO_(3) rarr HCO_(3) + H^(+)`

Alveoli are unable to receive full oxygen due to flattering of tracheal and broachial vessels in

Description : Alveoli are unable to receive full oxygen due to flattering of tracheal and broachial vessels in

Last Answer : Alveoli are unable to receive full oxygen due to flattering of tracheal and broachial vessels in A. Bronchitis B. Asthma C. Emphysema D. Pneumonia

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 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

Scavanger cells of alveoli celled :-

Description : Scavanger cells of alveoli celled :-

Last Answer : Scavanger cells of alveoli celled :- A. Melanophage B. Monocytes `//` Macrophage C. Dust cell D. Microglial cell

Alveoli has :-

Description : Alveoli has :-

Last Answer : Alveoli has :- A. Yellow fibrous connective tissue B. White fibrous connective tissue C. Areolar connective tissue D. Adipose connective tissue

Where is oxgyen in greater concentration in the alveoli just after inhalation or in the blood entering the pulmonary?

Description : Where is oxgyen in greater concentration in the alveoli just after inhalation or in the blood entering the pulmonary?

Last Answer : Need answer

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

The exchange of gases in mammals takes place in the (a) larynx (b) trachea (c) alveoli (d) bronchi

Description : The exchange of gases in mammals takes place in the (a) larynx (b) trachea (c) alveoli (d) bronchi

Last Answer : Ans:(c)

What is the physical process through which gas exchange is accomplished in the pulmonary alveoli?

Description : What is the physical process through which gas exchange is accomplished in the pulmonary alveoli?

Last Answer : The gas exchange (entry of oxygen and exit of carbon dioxide) in the pulmonary alveoli occurs by simple diffusion in favor of the partial pressure gradient. When the oxygen partial pressure in the ... is venous blood) the oxygen exits the circulatory system. The same is true for carbon dioxide.

Heart failure cells, i.e.. macrophages loaded with haemosiderin, are most likely found in C A. Ascites fluid in congestive heart failure B. Pulmonary alveoli in mitral stenosis C. Left ventricular myocardium following infarction and reperfusion D. None of these

Description : Heart failure cells, i.e.. macrophages loaded with haemosiderin, are most likely found in C A. Ascites fluid in congestive heart failure B. Pulmonary alveoli in mitral stenosis C. Left ventricular myocardium following infarction and reperfusion D. None of these

Last Answer : Ascites fluid in congestive heart failure B. Pulmonary alveoli in mitral stenosis C. Left ventricul

Common cold differs from pneumonia in that (a) pneumonia is a communicable disease whereas the common cold is a nutritional deficienc(b) pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold has no effective vaccine (c) pneumonia is caused by a virus while the common cold is caused by the bacterium Haemophilus influenzae (d) pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs.y disease

Description : Common cold differs from pneumonia in that (a) pneumonia is a communicable disease whereas the common cold is a nutritional deficiency disease (b) pneumonia can be prevented by a live attenuated ... infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs.

Last Answer : (d) pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs.

Identify the wrong statement with reference to transport of oxygen. (a) Binding of oxygen with haemoglobin is mainly related to partial pressure of O2. (b) Partial pressure of CO2 can interfere with O2 binding with haemoglobin. (c) Higher H+ conc. in alveoli favours the formation of oxyhaemoglobin. (d) Low pCO2 in alveoli favours the formation of oxyhaemoglobin.

Description : Identify the wrong statement with reference to transport of oxygen. (a) Binding of oxygen with haemoglobin is mainly related to partial pressure of O2. (b) Partial pressure of CO2 can interfere ... the formation of oxyhaemoglobin. (d) Low pCO2 in alveoli favours the formation of oxyhaemoglobin.

Last Answer : (c) Higher H+ conc. in alveoli favours the formation of oxyhaemoglobin.

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 partial pressure of oxygen in the alveoli of the lungs is (a) equal to that in the blood (b) more than that in the blood (c) less than that in the blood (d) less than that of carbon dioxide.

Description : The partial pressure of oxygen in the alveoli of the lungs is (a) equal to that in the blood (b) more than that in the blood (c) less than that in the blood (d) less than that of carbon dioxide.

Last Answer : (b) more than that in the blood

In man and mammals, air passes from outside into the lungs through (a) nasal cavity, larynx, pharynx, trachea, bronchi, alveoli (b) nasal cavity, larynx, pharynx, trachea, bronchioles, alveoli (c) nasal cavity, pharynx, larynx, trachea, bronchioles, bronchi, alveoli (d) nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli.

Description : In man and mammals, air passes from outside into the lungs through (a) nasal cavity, larynx, pharynx, trachea, bronchi, alveoli (b) nasal cavity, larynx, pharynx, trachea, bronchioles, ... bronchioles, bronchi, alveoli (d) nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli.

Last Answer : (d) nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveoli.

Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of (a) inspiratory reserve volume (b) tidal volume (c) expiratory reserve volume (d) residual volume.

Description : Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of (a) inspiratory reserve volume (b) tidal volume (c) expiratory reserve volume (d) residual volume.

Last Answer : (d) residual volume.

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.

Which one of the following is NOT part of the lower respiratory system? a. Alveoli b. Pharynx c. Larynx d. Trachea

Description : Which one of the following is NOT part of the lower respiratory system? a. Alveoli b. Pharynx c. Larynx d. Trachea

Last Answer : b. Pharynx

Emphysema is described as: a) A disease of the airways characterized by destruction of the walls of overdistended alveoli. Emphysema is a category of COPD. b) A disease that results in a common clinical outcome of reversible airflow obstruction. Asthma is the disease described. c) The presence of cough and sputum production for at least a combined total of two or three months in each of two consecutive years. Bronchitis is the disease described. d) Chronic dilatation of a bronchus or bronchi Bronchiectasis is the condition described.

Description : Emphysema is described as: a) A disease of the airways characterized by destruction of the walls of overdistended alveoli. Emphysema is a category of COPD. b) A disease that results in ... disease described. d) Chronic dilatation of a bronchus or bronchi Bronchiectasis is the condition described.

Last Answer : a) A disease of the airways characterized by destruction of the walls of overdistended alveoli. Emphysema is a category of COPD.

Select the tissue that is most sensitive to oxytocin: A. Myometrium B. Myoepithelium of mammary alveoli C. Vascular smooth muscle D. Renal collecting ducts

Description : Select the tissue that is most sensitive to oxytocin: A. Myometrium B. Myoepithelium of mammary alveoli C. Vascular smooth muscle D. Renal collecting ducts

Last Answer : B. Myoepithelium of mammary alveoli

Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of: (1) Inspiratory Reserve Volume (2) Tidal Volume (3) Expiratory Reserve Volume (4) Residual Volume

Description : Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of: (1) Inspiratory Reserve Volume (2) Tidal Volume (3) Expiratory Reserve Volume (4) Residual Volume

Last Answer : (4) Residual Volume