Which blood vessels have the smallest diameter? (1) Capillaries (2) Arterioles (3) Venules (4) Lymphatic

Which blood vessels have the smallest diameter? (1) Capillaries (2) Arterioles (3) Venules (4) Lymphatic
by

1 Answer

Answer :

(1) Capillaries Explanation: Blood is carried through the body by Blood Vessels. With the help of perfusion process capillaries supplies blood to the tissues.
by
selected

Related questions

initial regulation of BP in vascular system occur at : a- Arterioles b-Aorta and its branches c-Heart d-Capillaries e-Vein and venules

Description : initial regulation of BP in vascular system occur at : a- Arterioles b-Aorta and its branches c-Heart d-Capillaries e-Vein and venules

Last Answer : a- Arterioles

Vasodilation by prostaglandins involves (a) Arterioles (b) Precapillary sphincters (c) Postcapillary venules (d) All of the above

Description : Vasodilation by prostaglandins involves (a) Arterioles (b) Precapillary sphincters (c) Postcapillary venules (d) All of the above

Last Answer : Ans: D

The following are true about micro-circulation: a. arterioles have no muscle b. capillaries have walls made up of a single layer of cells c. capillaries have no innervation d. the capillaries contain 5% of the total blood volume at any one time

Description : The following are true about micro-circulation: a. arterioles have no muscle b. capillaries have walls made up of a single layer of cells c. capillaries have no innervation d. the capillaries contain 5% of the total blood volume at any one time

Last Answer : he capillaries contain 5% of the total blood volume at any one time

What are venous vessels, veins and venules?

Description : What are venous vessels, veins and venules?

Last Answer : Venous vessels are every blood vessel that carries blood from the tissues to the heart. Veins and venules are venous vessels. Venules are thin veins that are continuous to capillaries. In ... atrium of the heart however contain arterial blood. The Circulatory System - Image Diversity: veins venules

Choose the correct statement about the action of nitrates on coronary vessels (a) They mitigate angina pectoris by increasing total coronary flow (b) They preferentially dilate conducting arteries without affecting resistance arterioles (c) They preferentially dilate autoregulatory arterioles without affecting the larger arteries (d) They increase subepicardial blood flow without affecting subendocardial blood flow

Description : Choose the correct statement about the action of nitrates on coronary vessels (a) They mitigate angina pectoris by increasing total coronary flow (b) They preferentially dilate conducting ... the larger arteries (d) They increase subepicardial blood flow without affecting subendocardial blood flow

Last Answer : Ans: B

A drug which preferentially dilates autoregulatory coronary arterioles with little effect on large conducting vessels is likely to: A. Evoke coronary steal phenomenon B. Mitigate classical angina but not variant angina C. Decrease total coronary blood flow in healthy subjects D. Avert ECG changes of ischaemia

Description : A drug which preferentially dilates autoregulatory coronary arterioles with little effect on large conducting vessels is likely to: A. Evoke coronary steal phenomenon B. Mitigate classical angina but not ... . Decrease total coronary blood flow in healthy subjects D. Avert ECG changes of ischaemia

Last Answer : A. Evoke coronary steal phenomenon

Choose the correct statement about the action of nitrates on coronary vessels: A. They mitigate angina pectoris by increasing total coronary flow B. They preferentially dilate conducting arteries without affecting resistance arterioles C. They preferentially dilate autoregulatory arterioles without affecting the larger arteries D. They increase subepicardial blood flow without affecting subendocardial blood flow

Description : Choose the correct statement about the action of nitrates on coronary vessels: A. They mitigate angina pectoris by increasing total coronary flow B. They preferentially dilate conducting ... the larger arteries D. They increase subepicardial blood flow without affecting subendocardial blood flow

Last Answer : B. They preferentially dilate conducting arteries without affecting resistance arterioles

Identify the site where Wuchereria bancrofti is normally found in human body. (a) Muscles of the legs (b) Blood vessels of the thigh region (c) Skin between the fingers (d) Lymphatic vessels of the lower limbs

Description : Identify the site where Wuchereria bancrofti is normally found in human body. (a) Muscles of the legs (b) Blood vessels of the thigh region (c) Skin between the fingers (d) Lymphatic vessels of the lower limbs

Last Answer : (d) Lymphatic vessels of the lower limbs

What are arterial vessels, arteries and arterioles?

Description : What are arterial vessels, arteries and arterioles?

Last Answer : Arterial vessels are every blood vessel that carries blood from the heart to the tissues. Arteries and arterioles are arterial vessels. Arterioles are thin arteries that end in capillaries. Not ... to the lungs, contain venous blood. The Circulatory System - Image Diversity: arteries arterioles

$ The antideuretic hormone (ADH) is also calle Vasopressin hormone. ! Those blood vessels which carry blood away from heart are called capillaries.

Description : $ The antideuretic hormone (ADH) is also calle Vasopressin hormone. ! Those blood vessels which carry blood away from heart are called capillaries.

Last Answer : $ The antideuretic hormone (ADH) is also calle Vasopressin hormone. ! Those blood vessels which carry blood ... wrong D. If both As and R are wrong.

Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Description : Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Last Answer : ANSWER: A

Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Description : Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Last Answer : ANSWER: A

Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Description : Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Last Answer : ANSWER: A

Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Description : Which of the following blood vessels carry blood from the human body to the heart? A. Veins B. Arteries C. Capillaries D. None of these

Last Answer : ANSWER: A

Which of the following structures present in mammalian skin directly helps in keeping the body warm? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries

Description : Which of the following structures present in mammalian skin directly helps in keeping the body warm? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries

Last Answer : (2) Sweat glands Explanation: In the skin, two types of glands are present.

Which of the following structures present in mammalian skin directly helps in keeping the body warm? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries

Description : Which of the following structures present in mammalian skin directly helps in keeping the body warm? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries

Last Answer : (3) Lymph vessels Explanation: The lymphatic system consists of a network of specialized lymphatic vessels and various tissues and organs throughout the body that contain lymphocytes (White Blood Cells) and ... skin and in the deeper fatty tissues near the muscles and can be found near arteries.

Arteries are best defined as the vessels which (a) supply oxygenated blood to the different organs (b) carry blood away from the heart to different organs (c) break up into capillaries which reunite to form a vein (d) carry blood from one visceral organ to another visceral organ

Description : Arteries are best defined as the vessels which (a) supply oxygenated blood to the different organs (b) carry blood away from the heart to different organs (c) break up into capillaries which reunite to form a vein (d) carry blood from one visceral organ to another visceral organ

Last Answer : (b) carry blood away from the heart to different organs

Which of the following structures present in mammalian skin directly helps in keeping the body warm ? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries

Description : Which of the following structures present in mammalian skin directly helps in keeping the body warm ? (1) Pigmented cells (2) Sweat glands (3) Lymph vessels (4) Blood capillaries

Last Answer : Lymph vessels

In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels? (a) Elephantiasis (b) Ascariasis (c) Ringworm disease (d) Amoebiasis

Description : In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels? (a) Elephantiasis (b) Ascariasis (c) Ringworm disease (d) Amoebiasis

Last Answer : (a) Elephantiasis

Causes inflammation and damage to the Lymphatic vessels. a. Echinococcus b. Ascaris c. Wuchereria

Description : Causes inflammation and damage to the Lymphatic vessels. a. Echinococcus b. Ascaris c. Wuchereria

Last Answer : b. Ascaris

Which of the following terms refers to enlarged, red, and tender lymph nodes? a) Lymphadenitis Acute lymphadenitis is demonstrated by enlarged, red and tender lymph nodes. b) Lymphangitis Lymphangitis is an acute inflammation of the lymphatic channels. c) Lymphedema Lymphedema is demonstrated by swelling of tissues in the extremities because of an increased quantity of lymph that results from an obstruction of lymphatic vessels. d) Elephantiasis Elephantiasis refers to a condition in which chronic swelling of the extremity recedes only slightly with elevation.

Description : Which of the following terms refers to enlarged, red, and tender lymph nodes? a) Lymphadenitis Acute lymphadenitis is demonstrated by enlarged, red and tender lymph nodes. b) Lymphangitis ... refers to a condition in which chronic swelling of the extremity recedes only slightly with elevation.

Last Answer : a) Lymphadenitis Acute lymphadenitis is demonstrated by enlarged, red and tender lymph nodes.

In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels? (1) Elephantiasis (2) Ascariasis (3) Ringworm disease (4) Amoebiasis

Description : In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels? (1) Elephantiasis (2) Ascariasis (3) Ringworm disease (4) Amoebiasis

Last Answer : (1) Elephantiasis

Which pituitary hormone is responsible for enhancing the arterial blood pressure by causing the narrowing of arterioles ?

Description : Which pituitary hormone is responsible for enhancing the arterial blood pressure by causing the narrowing of arterioles ?

Last Answer : Which pituitary hormone is responsible for enhancing the arterial blood pressure by causing the narrowing of ... ACTH B. Somatotropin C. ADH D. LTH

Antidiuretic hormone (ADH) - (1) inhibits the secretion of growth hormone by the pituitary (2) inhibits the rate of heart beat (3) causes the muscular walls of the arterioles to contract that simulates the reabsorption of water from the kidney tubules (4) causes an increase in the blood pressure

Description : Antidiuretic hormone (ADH) - (1) inhibits the secretion of growth hormone by the pituitary (2) inhibits the rate of heart beat (3) causes the muscular walls of the arterioles to contract that simulates the reabsorption of water from the kidney tubules (4) causes an increase in the blood pressure

Last Answer : (3) causes the muscular walls of the arterioles to contract that simulates the reabsorption of water from the kidney tubules

True statements about cerebral blood flow: a. it is controlled mainly by the autonomic nervous system b. cerebral arterioles constricts when the blood pressure is raised c. it is constant in the blood pressure range of 50 to 150 mm Hg systolic d. hypocapnia increases the cerebral blood flow

Description : True statements about cerebral blood flow: a. it is controlled mainly by the autonomic nervous system b. cerebral arterioles constricts when the blood pressure is raised c. it is constant in the blood pressure range of 50 to 150 mm Hg systolic d. hypocapnia increases the cerebral blood flow

Last Answer : it is constant in the blood pressure range of 50 to 150 mm Hg systolic

True statements about the cerebral blood flow include: a. it is constant for the blood pressure in the range between 50-150mmHg b. the blood pressure is affected more by the PaO2 than PaCO2 c. hypocapnia causes vasoconstriction d. cerebral arterioles constricts when the blood pressure raises

Description : True statements about the cerebral blood flow include: a. it is constant for the blood pressure in the range between 50-150mmHg b. the blood pressure is affected more by the PaO2 than PaCO2 c. hypocapnia causes vasoconstriction d. cerebral arterioles constricts when the blood pressure raises

Last Answer : it is constant for the blood pressure in the range between 50-150mmHg

True statements about the cerebral blood flow include: a. it is constant for the blood pressure in the range between 50-150mmHg b. hypocapnia causes vasoconstriction c. cerebral arterioles constricts when the blood pressure raises d. all above

Description : True statements about the cerebral blood flow include: a. it is constant for the blood pressure in the range between 50-150mmHg b. hypocapnia causes vasoconstriction c. cerebral arterioles constricts when the blood pressure raises d. all above

Last Answer : all above

With regard to the choroid: a. the choroid receives 85% of blood flow to the eye b. the blood vessels in the choroid contains tight junction c. the choroid vessels are embedded in a matrix made up of type III collagen d. in the presence of high partial pressure of carbon dioxide the choroidal vessels increase in diameter

Description : With regard to the choroid: a. the choroid receives 85% of blood flow to the eye b. the blood vessels in the choroid contains tight junction c. the choroid vessels are embedded in ... d. in the presence of high partial pressure of carbon dioxide the choroidal vessels increase in diameter

Last Answer : in the presence of high partial pressure of carbon dioxide the choroidal vessels increase in diameter

A drop of each of the following, is placed separately on four slides. Which of them will not coagulate? (a) Blood serum (b) Sample from the thoracic duct of lymphatic system (c) Whole blood from pulmonary vein (d) Blood plasma

Description : A drop of each of the following, is placed separately on four slides. Which of them will not coagulate? (a) Blood serum (b) Sample from the thoracic duct of lymphatic system (c) Whole blood from pulmonary vein (d) Blood plasma

Last Answer : (a) Blood serum

A malignant tumor a) gains access to the blood and lymphatic channels. By this mechanism, the tumor metastasizes to other areas of the body. b) demonstrates cells that are well-differentiated. Cells of malignant tumors are undifferentiated. c) is usually slow growing. Malignant tumors demonstrate variable rate of growth; however, the more anaplastic the tumor, the faster its growth. d) grows by expansion. A malignant tumor grows at the periphery and sends out processes that infiltrate and destroy surrounding tissues.

Description : A malignant tumor a) gains access to the blood and lymphatic channels. By this mechanism, the tumor metastasizes to other areas of the body. b) demonstrates cells that are well- ... malignant tumor grows at the periphery and sends out processes that infiltrate and destroy surrounding tissues.

Last Answer : a) gains access to the blood and lymphatic channels. By this mechanism, the tumor metastasizes to other areas of the body.

Following acute haemorrhage, the following compensatory mechanisms occur: a. increased chemoreceptor discharge b. increased level of circulating angiotensin II c. vasoconstriction of renal efferent arterioles d. all above

Description : Following acute haemorrhage, the following compensatory mechanisms occur: a. increased chemoreceptor discharge b. increased level of circulating angiotensin II c. vasoconstriction of renal efferent arterioles d. all above

Last Answer : all above

The principal site of peripheral resistance in circulation is Options: 1) Large arteries 2) Arterioles 3) Capilla

Description : The principal site of peripheral resistance in circulation is Options: 1) Large arteries 2) Arterioles 3) Capilla

Last Answer : Correct Answer: 2) Arterioles

Among the cylindrical and spherical thin vessels of same material, diameter and pressure which has the lesser thickness a. Cylindrical shell b. Spherical shell c. Cylindrical shell with semi spherical heads d. None

Description : Among the cylindrical and spherical thin vessels of same material, diameter and pressure which has the lesser thickness a. Cylindrical shell b. Spherical shell c. Cylindrical shell with semi spherical heads d. None

Last Answer : b. Spherical shell

(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.

Assertion `:` Portal system consists of veins which start from capillaries and end into capillaries. Reason `:` The hepatic portal vein carries blood

Description : Assertion `:` Portal system consists of veins which start from capillaries and end into capillaries. Reason `:` The hepatic portal vein carries blood

Last Answer : Assertion `:` Portal system consists of veins which start from capillaries and end into capillaries. ... D. If both Assertion & Reason are false.

Assertion `:` Lymph is the filtered blood from capillaries, which is rich in oxygen, but devoid of RBC. Reason `:` RBC can filter out due to small dia

Description : Assertion `:` Lymph is the filtered blood from capillaries, which is rich in oxygen, but devoid of RBC. Reason `:` RBC can filter out due to small dia

Last Answer : Assertion `:` Lymph is the filtered blood from capillaries, which is rich in oxygen, but devoid of RBC ... . D. If both Assertion & Reason are false.

Assertion `:` A portal system start and ends with blood capillaries. Reason `:` A portal system collec blood from a organ or organs and distribute thi

Description : Assertion `:` A portal system start and ends with blood capillaries. Reason `:` A portal system collec blood from a organ or organs and distribute thi

Last Answer : Assertion `:` A portal system start and ends with blood capillaries. Reason `:` A portal system collec ... . D. If both Assertion & Reason are false.

In order of study blood circulation in rat, capillaries are observe in

Description : In order of study blood circulation in rat, capillaries are observe in

Last Answer : In order of study blood circulation in rat, capillaries are observe in A. Mesentery B. Kidney to liver C. Liver D. Lung

Blood circulation that starts in capillaries and ends in capillaries is called

Description : Blood circulation that starts in capillaries and ends in capillaries is called

Last Answer : Blood circulation that starts in capillaries and ends in capillaries is called A. Portal circulation B. Hepatic circulation C. Cardiac arrest D. None

Blood capillaries are made of

Description : Blood capillaries are made of

Last Answer : Blood capillaries are made of A. Endothelium and thin coat of connective tissue B. Endothelium ... tissue and muscle fibres D. Only endothelium

Cells forming the wall of blood capillaries are called

Description : Cells forming the wall of blood capillaries are called

Last Answer : Cells forming the wall of blood capillaries are called A. Oxyntic cells - a secretion with pH ... . Endothelium cells C. Perietal cells D. Haemocytes

Networks of Blood Capillaries and Large Lymph vessel is present in :-

Description : Networks of Blood Capillaries and Large Lymph vessel is present in :-

Last Answer : Networks of Blood Capillaries and Large Lymph vessel is present in :- A. Villi B. Microvilli C. Both 1 & 2 D. Plica semilunaris

In a resting person, oxygen saturation of haemologin as blood leaves the tissue capillaries is :-

Description : In a resting person, oxygen saturation of haemologin as blood leaves the tissue capillaries is :-

Last Answer : In a resting person, oxygen saturation of haemologin as blood leaves the tissue capillaries is :- A. 0.03 B. 0.4 C. 0.46 D. 0.75

High blood pressure is maintained in glomeruli than in other capillaries because

Description : High blood pressure is maintained in glomeruli than in other capillaries because

Last Answer : High blood pressure is maintained in glomeruli than in other capillaries because A. The variability ... diameter than glomerulus D. All the above

How does blood change as it passes through the capillaries around your small intestine?

Description : How does blood change as it passes through the capillaries around your small intestine?

Last Answer : What is the answer ?

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 statement(s) is/are true concerning the treatment of pulmonary interstitial edema? a. Diuresis and blood transfusion is a valuable step b. Salt-poor albumin leaks through the capillaries and worsens the condition c. Mannitol is contraindicated as a diuretic in this clinical situation d. Isoproterenol is a poor choice as an ionotropic agent

Description : Which of the following statement(s) is/are true concerning the treatment of pulmonary interstitial edema? a. Diuresis and blood transfusion is a valuable step b. Salt-poor albumin leaks through the ... a diuretic in this clinical situation d. Isoproterenol is a poor choice as an ionotropic agent

Last Answer : Answer: a Treatment of pulmonary edema has two important goals, the first is to improve oxygenation if it is impaired, and the second is to minimize fibrosis and bacterial infection, which often ... leaks out , the short term effects of expanding blood volume and decrease in edema will appear

In high mountain regions bleeding through nose occurs because (a) The pressure of the blood capillaries is higher than the outside pressure (b) The pressure at high altitudes is greater than that in the plains (c) The blood pressure increases at high altitudes (d) The blood pressure decreases at high altitudes

Description : In high mountain regions bleeding through nose occurs because (a) The pressure of the blood capillaries is higher than the outside pressure (b) The pressure at high altitudes is greater than ... c) The blood pressure increases at high altitudes (d) The blood pressure decreases at high altitudes

Last Answer : Ans:(a)

Blood pressure is the pressure exerted by blood on the walls of – (1) Heart (2) Veins (3) Arteries (4) Capillaries

Description : Blood pressure is the pressure exerted by blood on the walls of – (1) Heart (2) Veins (3) Arteries (4) Capillaries

Last Answer : (3) Arteries Explanation: Blood pressure (BP), sometimes referred to as arterial blood pressure, is the pressure exerted by circulating blood upon the walls of blood vessels, and is one of the ... blood and the tissues; and the veins, which carry blood from the capillaries back toward the heart.