Which is the largest blood vessel, in human body? (1) Aorta (2) Anatomises (3) Tunica Intima (4) Atrium

Which is the largest blood vessel, in human body? (1) Aorta (2) Anatomises (3) Tunica Intima (4) Atrium
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(1) Aorta Explanation: Aorta is the largest blood vessel in human body. It is the largest of the systemic circulation arteries, Blood enters the aorta from the left ventricle of the heart by way of a oneway valve to prevent backflow. From the aorta, several arterial branches carry oxygenated blood to all tissues in the body.
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Which is the largest blood vessel in human body? (1) Aorta (2) Anatomises (3) Tunica Intima (4) Atrium

Description : Which is the largest blood vessel in human body? (1) Aorta (2) Anatomises (3) Tunica Intima (4) Atrium

Last Answer : Aorta

If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non- functional, what will be the immediate effect? (a) The flow of blood into the aorta will be slowed down. (b) The ‘pacemaker’ will stop working. (c) The blood will tend to flow back into the left atrium. (d) The flow of blood into the pulmonary artery will be reduced.

Description : If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non- functional, what will be the immediate effect? (a) The flow of blood into the aorta will be slowed ... back into the left atrium. (d) The flow of blood into the pulmonary artery will be reduced.

Last Answer : (d) The flow of blood into the pulmonary artery will be reduced.

Blood pressure in the mammalian aorta is maximum during (a) systole of the left ventricle (b) diastole of the right atrium (c) systole of the left atrium (d) diastole of the right ventricle

Description : Blood pressure in the mammalian aorta is maximum during (a) systole of the left ventricle (b) diastole of the right atrium (c) systole of the left atrium (d) diastole of the right ventricle

Last Answer : (a) systole of the left ventricle

The following are true about atherosclerosis: C A. it often occurs in the heart chamber B. foamy macrophages are not seen in the lesion C. smooth muscle cells proliferation in the intima of vessel D. no deposition of lipid occurs in wall of blood vessel

Description : The following are true about atherosclerosis: C A. it often occurs in the heart chamber B. foamy macrophages are not seen in the lesion C. smooth muscle cells proliferation in the intima of vessel D. no deposition of lipid occurs in wall of blood vessel

Last Answer : smooth muscle cells proliferation in the intima of vessel

In mammals, which blood vessel would normally carry largest amount of urea? (a) Hepatic vein (b) Hepatic portal vein (c) Renal vein (d) Dorsal aorta

Description : In mammals, which blood vessel would normally carry largest amount of urea? (a) Hepatic vein (b) Hepatic portal vein (c) Renal vein (d) Dorsal aorta

Last Answer : (a) Hepatic vein

Which of the following regarding the anatomy of the heart is true? A. The aortic valve is tricuspid. B. The ascending aorta is entirely outside the pericardial sac. C. The left atrial appendage is identified readily by transthoracic echocardiography. D. The pulmonary trunk lies anterior to the ascending aorta. E. The right atrium is posterior to the left atrium.

Description : Which of the following regarding the anatomy of the heart is true? A. The aortic valve is tricuspid. B. The ascending aorta is entirely outside the pericardial sac. C. The left atrial appendage is ... trunk lies anterior to the ascending aorta. E. The right atrium is posterior to the left atrium.

Last Answer : Ans: A

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 vessel sends blood through the left atrium?

Description : What vessel sends blood through the left atrium?

Last Answer : Need answer

What vessel receives deoxygenated blood in the right atrium via the heart?

Description : What vessel receives deoxygenated blood in the right atrium via the heart?

Last Answer : Need answer

The largest artery in human body is (1) Aorta (2) Capillary (3) Vena cava (4) Pulmonary vein

Description : The largest artery in human body is (1) Aorta (2) Capillary (3) Vena cava (4) Pulmonary vein

Last Answer : Aorta

Cell wall protein of Streptococcus pyogenescrossreactswith human A- synovial fluid B- cardiac valves C- myocardium D- vascular intima

Description : Cell wall protein of Streptococcus pyogenescrossreactswith human A- synovial fluid B- cardiac valves C- myocardium D- vascular intima

Last Answer : myocardium

(a) Draw a schematic representation of transport and exchange of oxygen and carbon dioxide during transportation of blood in human beings and label on it: Lung capillaries, Pulmonary artery to lungs, Aorta to body, Pulmonary veins from lungs. (b) What is the advantage of separate channels in mammals and birds for oxygenated and deoxygenated blood? -Biology

Description : (a) Draw a schematic representation of transport and exchange of oxygen and carbon dioxide during transportation of blood in human beings and label on it: Lung capillaries, Pulmonary artery to ... the advantage of separate channels in mammals and birds for oxygenated and deoxygenated blood? -Biology

Last Answer : (a) A schematic representation of transportation and exchange of oxygen and carbon dioxide during transportation of blood in human beings (b) It is necessary to separate oxygenated and deoxygenated ... . The separation of oxygenated and deoxygenated blood provides high oxygen supply to the organs.

Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body?

Description : Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body?

Last Answer : Left ventricle

What is the correct route for blood flow in a human? Left atrium " Left ventricle " Lungs " Right ventricle " Right atrium Left atrium " Left ventricle " Right ventricle " Right atrium " Lungs (c) Right atrium " Right ventricle " Left ventricle " Left atrium " Lungs (d) Right atrium " Right ventricle " Lungs " Left atrium " Left ventricle

Description : What is the correct route for blood flow in a human? Left atrium " Left ventricle " Lungs " Right ventricle " Right atrium Left atrium " Left ventricle " Right ventricle " Right atrium " Lungs (c) ... " Left atrium " Lungs (d) Right atrium " Right ventricle " Lungs " Left atrium " Left ventricle

Last Answer : (d) Right atrium " Right ventricle " Lungs " Left atrium " Left ventricle

(a) Draw a sectional view of the human heart and label on it – Aorta, Right ventricle and Pulmonary veins. (b) State the functions of the following components of transport system: (i) Blood (ii) Lymph -Biology

Description : (a) Draw a sectional view of the human heart and label on it – Aorta, Right ventricle and Pulmonary veins. (b) State the functions of the following components of transport system: (i) Blood (ii) Lymph -Biology

Last Answer : Answer.(a) (b) The functions of blood and lymph are as follows: (i) BloodOxygen is transported by the blood to the tissues of the body for the breakdown of digested food.Carbon dioxide is ... without which nothing will diffuse. (iii) A thin surface across which gases diffuse. (iv) Warm conditions.

When the Left Ventricle in the human heart contracts, the blood moves to the - (1) Brain (2) Pulmonary Artery (3) Aorta (4) Lungs

Description : When the Left Ventricle in the human heart contracts, the blood moves to the - (1) Brain (2) Pulmonary Artery (3) Aorta (4) Lungs

Last Answer : (3) Aorta Explanation: As the left ventricle contracts, the oxygenated blood is pumped into the main artery of the body — the aorta. To get to the aorta, blood passes through the aortic semilunar valve, which serves to keep blood flowing from the aorta back into the left ventricle.

Which among the following carries impure blood to human heart? (1) Aorta (2) Pulmonary vein (3) Pulmonary arteries (4) Vena Cava

Description : Which among the following carries impure blood to human heart? (1) Aorta (2) Pulmonary vein (3) Pulmonary arteries (4) Vena Cava

Last Answer : (3) Pulmonary arteries Explanation: A pulmonary artery is an artery in the pulmonary circulation that carries deoxygenated blood from the right side of the heart to the lungs.

When the Left Ventricle in the human heart contracts, the blood moves to the (1) Brain (2) Pulmonary Artery (3) Aorta (4) Lungs

Description : When the Left Ventricle in the human heart contracts, the blood moves to the (1) Brain (2) Pulmonary Artery (3) Aorta (4) Lungs

Last Answer : Aorta

Berry aneurysm: a. is a congenital disorder. b. is found most commonly in the posterior portion of the circle of Willis. c. is symptomatic in majority of patients. d. has absent intima elastica

Description : Berry aneurysm: a. is a congenital disorder. b. is found most commonly in the posterior portion of the circle of Willis. c. is symptomatic in majority of patients. d. has absent intima elastica

Last Answer : is a congenital disorder

The large startery in human body is – (1) Aorta (2) Capillaiy (3) Vena cava (4) Pulmonary vein

Description : The large startery in human body is – (1) Aorta (2) Capillaiy (3) Vena cava (4) Pulmonary vein

Last Answer : (1) Aorta Explanation: The aorta is the largest artery of the human body. It is an artery that directly arises from the heart itself and descends through the thorax and into the abdomen. All the arteries of the body, save the pulmonary arteries, stem from the aorta or one of its main branches.

The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its functions(a) C - Vena cava - Takes blood from body parts to right auricle, pCO2 = 45 mm Hg (b) D - Dorsal aorta - Takes blood from heart to body parts, pO2 = 95 mm Hg (c) A - Pulmonary vein - Takes impure blood from body parts, pO2 = 60 mm Hg (d) B - Pulmonary artery - Takes blood from heart to lungs, pO2 = 90 mm Hg.

Description : The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its functions. (a) C - Vena cava - Takes blood from body parts to right auricle, pCO2 = 45 ... 60 mm Hg (d) B - Pulmonary artery - Takes blood from heart to lungs, pO2 = 90 mm Hg

Last Answer : (a) C - Vena cava - Takes blood from body parts to right auricle, pCO2 = 45 mm Hg

In humans, blood passes from the post caval to the diastolic right atrium of heart due to

Description : In humans, blood passes from the post caval to the diastolic right atrium of heart due to

Last Answer : In humans, blood passes from the post caval to the diastolic right atrium of heart due to A. ... pushing open of the venous valves D. suction pull

To which heart chamber does the blood go after leaving the left atrium? What is the valve that separates these compartments?

Description : To which heart chamber does the blood go after leaving the left atrium? What is the valve that separates these compartments?

Last Answer : The arterial blood that has come from the lungs to the left atrium passes then to the left ventricle. The valve between the left ventricle and the left atrium is the mitral valve, a ... left atrium during systole (contraction of the ventricles). The Circulatory System - Image Diversity: mitral valve

When a child is born, what happens to its blood circulation? (1) Its blood flows for the first time (2) Its blood reverses its flow through the heart (3) Its blood ceases to pass from one atrium to the other (4) Its blood carries wastes for the first time

Description : When a child is born, what happens to its blood circulation? (1) Its blood flows for the first time (2) Its blood reverses its flow through the heart (3) Its blood ceases to pass from one atrium to the other (4) Its blood carries wastes for the first time

Last Answer : (4) Its blood carries wastes for the first time Explanation: The Fetal circulatory system is unique during pregnancy before the lungs first come into use at birth. Its circulatory system must reorient ... umbilical cord constrict and close. All this happens in a few moments when the baby is born.

In humans, blood passes from the post caval to the diastolic right atrium of heart due to (a) stimulation of the sino auricular node (b) pressure difference between the post caval and atrium (c) pushing open of the venous valves (d) suction pull.

Description : In humans, blood passes from the post caval to the diastolic right atrium of heart due to (a) stimulation of the sino auricular node (b) pressure difference between the post caval and atrium (c) pushing open of the venous valves (d) suction pull.

Last Answer : (b) pressure difference between the post caval and atrium

Central venous pressure is measured in which of the following heart chambers? a) Right atrium The pressure in the right atrium is used to assess right ventricular function and venous blood return to the heart. b) Left atrium The left atrium receives oxygenated blood from the pulmonary circulation. c) Left ventricle The left ventricle receives oxygenated blood from the left atrium. d) Right ventricle The right ventricle is not the central collecting chamber of venous circulation.

Description : Central venous pressure is measured in which of the following heart chambers? a) Right atrium The pressure in the right atrium is used to assess right ventricular function and venous blood return ... d) Right ventricle The right ventricle is not the central collecting chamber of venous circulation.

Last Answer : a) Right atrium The pressure in the right atrium is used to assess right ventricular function and venous blood return to the heart.

When a child is born, what happens to its blood circulation ? (1) Its blood flows for the first time (2) Its blood reverses its flow through the heart (3) Its blood ceases to pass from one atrium to the other (4) Its blood carries wastes for the first time

Description : When a child is born, what happens to its blood circulation ? (1) Its blood flows for the first time (2) Its blood reverses its flow through the heart (3) Its blood ceases to pass from one atrium to the other (4) Its blood carries wastes for the first time

Last Answer : Its blood carries wastes for the first time

(a) Draw a diagram of excretory system in human beings and label the following parts. Aorta, kidney, urinary bladder and urethra.(b) How is urine produced and eliminated ? -Biology

Description : (a) Draw a diagram of excretory system in human beings and label the following parts. Aorta, kidney, urinary bladder and urethra.(b) How is urine produced and eliminated ? -Biology

Last Answer : Answer.(a) (b) Blood from the heart comes into the kidneys afferent and efferent arteriols from the renal arteries where it enters about 2-3 million nephrons per kidney. Then, it goes through the ... goes through ureters to bladder and then to urethra where it is excreted out of body as urine.

The mean velocity of blood flow in the aorta during systole is 1.5 × 10–2 m / s. What is the frequency change in an instrument with a signal frequency of 105 Hz (speed of sound in blood, 1570 m / s)?

Description : The mean velocity of blood flow in the aorta during systole is 1.5 × 10–2 m / s. What is the frequency change in an instrument with a signal frequency of 105 Hz (speed of sound in blood, 1570 m / s)?

Last Answer : 1060 kg/m3, very close to pure water's density of 1000 kg/m3. The average adult has a blood volume of roughly 5 litres (11 US pt) or 1.3 gallons, which is composed of plasma ... .4 million (female) erythrocytes: Red blood cells contain the blood's hemoglobin and distribute oxygen. Mature red blood

Blood pressure in the mammalian aorta is maximum during

Description : Blood pressure in the mammalian aorta is maximum during

Last Answer : Blood pressure in the mammalian aorta is maximum during A. Diastole of the right ventricle B. Systole ... right atrium D. Systole of the left atrium

What is the diastolic flow of blood from the aorta into left ventricle called?

Description : What is the diastolic flow of blood from the aorta into left ventricle called?

Last Answer : Aortic insufficiency (AI), also known as aortic regurgitation (AR) is what is called when blood flows in the reverse direction during ventricular diastole, from the aorta into the left ventricle.

An 18-year-old man shot once in the left chest has a blood pressure of 80/50 mm. Hg, a heart rate of 130 beats per minute, and distended neck veins. Immediate treatment might include: A. Administration of one liter of Ringer's lactate solution. B. Subxiphoid pericardiotomy. C. Needle decompression of the left chest in the second intercostal space. D. Emergency thoracotomy to cross-clamp the aorta.

Description : An 18-year-old man shot once in the left chest has a blood pressure of 80/50 mm. Hg, a heart rate of 130 beats per minute, and distended neck veins. Immediate treatment might include: A. ... of the left chest in the second intercostal space. D. Emergency thoracotomy to cross-clamp the aorta.

Last Answer : Answer: AC DISCUSSION: The finding of distended neck veins in conjunction with hypotension should suggest tension pneumothorax or pericardial tamponade. Absent ipsilateral breath sounds and a trachea ... injuries. There is no role for aortic cross-clamping in this scenario of cardiogenic shock

Blood flows via the out flow tracts of the heart into (a) aorta and carotid arteries (b) aorta, carotid and subclavian arteries (c) aorta and pulmonary artery (d) both (b) & (c)

Description : Blood flows via the out flow tracts of the heart into (a) aorta and carotid arteries (b) aorta, carotid and subclavian arteries (c) aorta and pulmonary artery (d) both (b) & (c)

Last Answer : Ans:(b)

Blood pressure in the pulmonary artery is (a) more than that in the pulmonary vein (b) less than that in the venae cavae (c) same as that in the aorta (d) more than that in the carotid.

Description : Blood pressure in the pulmonary artery is (a) more than that in the pulmonary vein (b) less than that in the venae cavae (c) same as that in the aorta (d) more than that in the carotid.

Last Answer : (a) more than that in the pulmonary vein

What is Tunica Interna ?

Description : What is Tunica Interna ?

Last Answer : : The inner layer of an artery is called a tunica interna. It is made of plain coating banana.

What is Tunica Media ?

Description : What is Tunica Media ?

Last Answer : The middle layer of the artery is called tunica media. It is made up of round involuntary muscles.

What is Tunica Externa ?

Description : What is Tunica Externa ?

Last Answer : : The outer layer of an artery is called a tunica externa. It is made of fibrous connective tissue or tissue.

Tunica vaginalis is found in

Description : Tunica vaginalis is found in

Last Answer : Tunica vaginalis is found in A. Ovaries of female B. Testis of male C. Vagina of female D. None

Tunica albuginea is the covering around

Description : Tunica albuginea is the covering around

Last Answer : Tunica albuginea is the covering around A. Oviduct B. Testis C. Kidney D. Heart

A vein possesses a large lumen because (a) tunica media and tunica externa form a single coat (b) tunica interna and tunica media form a single coat (c) tunica interna, tunica media and tunica externa are thin (d) tunica media is a thin coat.

Description : A vein possesses a large lumen because (a) tunica media and tunica externa form a single coat (b) tunica interna and tunica media form a single coat (c) tunica interna, tunica media and tunica externa are thin (d) tunica media is a thin coat.

Last Answer : (d) tunica media is a thin coat.

Tunica corpus theory is connected with (a) root apex (b) root cap (c) shoot apex (d) secondary growth.

Description : Tunica corpus theory is connected with (a) root apex (b) root cap (c) shoot apex (d) secondary growth.

Last Answer : (c) shoot apex

Organisation of stem apex into corpus and tunica is determined mainly by (a) planes of cell division (b) regions of meristematic activity (c) rate of cell growth (d) rate of shoot tip growth.

Description : Organisation of stem apex into corpus and tunica is determined mainly by (a) planes of cell division (b) regions of meristematic activity (c) rate of cell growth (d) rate of shoot tip growth.

Last Answer : (a) planes of cell division

The cells of the quiescent centre are characterised by (a) having dense cytoplasm and prominent nuclei (b) having light cytoplasm and small nuclei (c) dividing regularly to add to the corpus (d) dividing regularly to add to tunica.

Description : The cells of the quiescent centre are characterised by (a) having dense cytoplasm and prominent nuclei (b) having light cytoplasm and small nuclei (c) dividing regularly to add to the corpus (d) dividing regularly to add to tunica.

Last Answer : (b) having light cytoplasm and small nuclei

Organisation of stem apex into corpus and tunica is determined mainly by (a) planes of cell division (b) regions of meristematic activity (c) rate of cell growth (d) rate of shoot tip growth.

Description : Organisation of stem apex into corpus and tunica is determined mainly by (a) planes of cell division (b) regions of meristematic activity (c) rate of cell growth (d) rate of shoot tip growth.

Last Answer : (a) planes of cell division

The cells of the quiescent centre are characterised by (a) having dense cytoplasm and prominent nuclei (b) having light cytoplasm and small nuclei (c) dividing regularly to add to the corpus (d) dividing regularly to add to tunica

Description : The cells of the quiescent centre are characterised by (a) having dense cytoplasm and prominent nuclei (b) having light cytoplasm and small nuclei (c) dividing regularly to add to the corpus (d) dividing regularly to add to tunica

Last Answer : b) having light cytoplasm and small nuclei

Tunica Carpus theory best explains the apical meristem of

Description : Tunica Carpus theory best explains the apical meristem of

Last Answer : Tunica Carpus theory best explains the apical meristem of - Angiosperms

The Tunica layer gives rise to –

Description : The Tunica layer gives rise to –

Last Answer : The Tunica layer gives rise to – Epidermis only

Tunica carpus theory was given by

Description : Tunica carpus theory was given by

Last Answer : Tunica carpus theory was given by – Schmidt