How do the red blood cells carry oxygen to the tissues? -Biology

How do the red blood cells carry oxygen to the tissues? -Biology
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Minute, circular discs floating in the blood, which carry oxygen to the tissues, and carbon dioxide away from them, are called (a) White blood corpuscles (WBC) (b) Red blood corpuscles (RBC) (c) Monophylls (d) Erythrocytes

Description : Minute, circular discs floating in the blood, which carry oxygen to the tissues, and carbon dioxide away from them, are called (a) White blood corpuscles (WBC) (b) Red blood corpuscles (RBC) (c) Monophylls (d) Erythrocytes

Last Answer : Ans:(b)

What disease occurs when there is an abnormal increase in the number of white blood cells which results in fewer red blood cells carrying oxygen to body tissues?

Description : What disease occurs when there is an abnormal increase in the number of white blood cells which results in fewer red blood cells carrying oxygen to body tissues?

Last Answer : Leukemia

The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C or D) correctly identified along with its function. (a) C : Arterial capillary - Passes oxygen to tissues (b) A : Alveolar cavity - Main site of exchange of respiratory gases (c) D : Capillary wall - Exchange of O2 and CO2 takes place here (d) B : Red blood cells - Transport of CO2 mainly

Description : The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C or D) correctly identified along with its function. ... Exchange of O2 and CO2 takes place here (d) B : Red blood cells - Transport of CO2 mainly

Last Answer : (b) A : Alveolar cavity - Main site of exchange of respiratory gases

The function of the heart is to (1) Supply oxygen to the tissues (2) carry carbon dioxide from the tissues (3) throw away waste materials (4) pump blood to different parts of the body

Description : The function of the heart is to (1) Supply oxygen to the tissues (2) carry carbon dioxide from the tissues (3) throw away waste materials (4) pump blood to different parts of the body

Last Answer : pump blood to different parts of the body

When Carbon monoxide reduces the ability of red blood cells to carry oxygen this can lead to brain damage which 3 systems of the body interact in this situation?

Description : When Carbon monoxide reduces the ability of red blood cells to carry oxygen this can lead to brain damage which 3 systems of the body interact in this situation?

Last Answer : Need answer

What structure in the arm of a human is found to carry oxygen red blood cells and if so what do they also contain?

Description : What structure in the arm of a human is found to carry oxygen red blood cells and if so what do they also contain?

Last Answer : Need answer

How does smoking cigarettes impact the red blood cells? A. Decreases their ability to congeal B. Decreases their ability to carry oxygen (Answer) C. Decreases their ability to reach their typical life duration D. Decreases their ability to cleanse wounds

Description : How does smoking cigarettes impact the red blood cells? A. Decreases their ability to congeal B. Decreases their ability to carry oxygen (Answer) C. Decreases their ability to reach their typical life duration D. Decreases their ability to cleanse wounds

Last Answer : B. Decreases their ability to carry oxygen (Answer)

The main function of white blood cells in the body is to (1) carry oxygen (2) help in clot formation (3) produce more red cells (4) protect body against diseases

Description : The main function of white blood cells in the body is to (1) carry oxygen (2) help in clot formation (3) produce more red cells (4) protect body against diseases 

Last Answer : protect body against diseases

Which one of the following describes the mode of action of tetanospasmin? a. It inhibits muscle contraction. b. It damages and lyses red blood cells. c. It disrupts cell tissues. d. It inhibits muscle relaxation.

Description : Which one of the following describes the mode of action of tetanospasmin? a. It inhibits muscle contraction. b. It damages and lyses red blood cells. c. It disrupts cell tissues. d. It inhibits muscle relaxation.

Last Answer : d. It inhibits muscle relaxation.

In which process does oxygen carry nutrients from blood to lymph and from lymph to cells ?

Description : In which process does oxygen carry nutrients from blood to lymph and from lymph to cells ?

Last Answer : Answer : Nutrients in the blood carry oxygen to the lymph in the process of diffusion and transport from the lymph to the cells.

What is the difference between arteries and veins? a) Arteries carry blood away from the heart, while veins carry blood back to the heart. b) Arteries carry oxygenated blood, while veins carry deoxygenated blood c) They are the same thing. d) Arteries carry food to our cells, while veins carry oxygen to our cells.

Description : What is the difference between arteries and veins? a) Arteries carry blood away from the heart, while veins carry blood back to the heart. b) Arteries carry oxygenated blood, while veins carry deoxygenated ... same thing. d) Arteries carry food to our cells, while veins carry oxygen to our cells.

Last Answer : a) Arteries carry blood away from the heart, while veins carry blood back to the heart.

Which one of the following is one of the paths followed by air or O2 during respiration in the adult male Periplaneta  americana as it enters the animal body? (a) Spiracle in metathorax, trachea, tracheoles, oxygen diffuses into cells (b) Mouth, bronchial tube, trachea, oxygen enters cells (c) Spiracles in prothorax, tracheoles, trachea, oxygen diffuses into cells (d) Hypopharynx, mouth, pharynx, trachea, tissues

Description : Which one of the following is one of the paths followed by air or O2 during respiration in the adult male Periplaneta  americana as it enters the animal body? (a) Spiracle in ... prothorax, tracheoles, trachea, oxygen diffuses into cells (d) Hypopharynx, mouth, pharynx, trachea, tissues

Last Answer : (a) Spiracle in metathorax, trachea, tracheoles, oxygen diffuses into cells

How much oxygen, blood supplies to tissues in one circulation in normal condition `,-`

Description : How much oxygen, blood supplies to tissues in one circulation in normal condition `,-`

Last Answer : How much oxygen, blood supplies to tissues in one circulation in normal condition `,-` A. `75%` B. `4%` C. `25%` D. `20%`

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 oxygen delivery? a. The amount of oxygen delivered to peripheral tissues is dependent upon the oxygen content in arterial blood and cardiac output b. Oxygen content is commonly measured in arterial blood c. The normal arterial-venous difference is 4 cc O2/dL d. Normal systemic oxygen delivery for a typical adult is approximately 1000 cc/min

Description : Which of the following statement(s) is/are true concerning oxygen delivery? a. The amount of oxygen delivered to peripheral tissues is dependent upon the oxygen content in arterial blood and cardiac ... O2/dL d. Normal systemic oxygen delivery for a typical adult is approximately 1000 cc/min

Last Answer : Answer: a, c, d The amount of oxygen that is delivered to peripheral tissues is the product of the oxygen content in arterial blood times the cardiac output. Normally, oxygen content of arterial blood is ... of venous blood is 16 cc/dL. Hence, the normal arterial-venous difference is 4 cc O2/dL

All of the following statements about hemorrhagic shock are true except: A. Following hemorrhagic shock, there is an initial interstitial fluid volume contraction. B. Dopamine, or a similar inotropic agent, should be given immediately for resuscitation from hemorrhagic shock, to increase cardiac output and improve oxygen delivery to hypoperfused tissues. C. The use of colloid solutions or hypertonic saline solutions is contraindicated for treatment of hemorrhagic shock. D. In hemorrhagic shock, a narrowed pulse pressure is commonly seen before a fall in systolic blood pressure.

Description : All of the following statements about hemorrhagic shock are true except: A. Following hemorrhagic shock, there is an initial interstitial fluid volume contraction. B. Dopamine, or a similar inotropic ... shock, a narrowed pulse pressure is commonly seen before a fall in systolic blood pressure.

Last Answer : Answer: BC DISCUSSION: Hemorrhagic shock is associated with a contraction of the interstitial fluid compartment because of precapillary vasoconstriction and reabsorption of interstitial fluid ... definitive evidence that such solutions are better than standard crystalloid solutions is lacking

The closed circulatory system is more efficient. Since blood circulates only inside blood vessels it can do it with more pressure reaching farther distances between the organs where hematosis happens and the peripheral tissues. In addition the circulatory speed also heightens making possible more oxygen supply to great consuming tissues, like the muscle tissues that then can perform faster movements. Animals with an open circulatory system (with the exception of insects that do gas exchange independently from the circulation) are generally slower and have a low metabolic rate.

Description : The closed circulatory system is more efficient. Since blood circulates only inside blood vessels it can do it with more pressure reaching farther distances between the organs where hematosis ... exchange independently from the circulation) are generally slower and have a low metabolic rate.

Last Answer : What is the difference between octopuses and mussels regarding their circulatory systems?

A large proportion of oxygen remains unused in the human blood even after its uptake by the body tissues. This O2 (a) acts as a reserve during muscular exercise (b) raises the pCO2 of blood to 75 mm of Hg (c) is enough to keep oxyhaemoglobin saturation at 96% (d) helps in releasing more O2 to the epithelial tissues.

Description : A large proportion of oxygen remains unused in the human blood even after its uptake by the body tissues. This O2 (a) acts as a reserve during muscular exercise (b) raises the pCO2 of ... enough to keep oxyhaemoglobin saturation at 96% (d) helps in releasing more O2 to the epithelial tissues.

Last Answer : (a) acts as a reserve during muscular exercise

'Diffusion hypoxia’ is likely to occur only after use of nitrous oxide because it: A. Is a respiratory depressant B. Has low blood solubility and is used in high concentration C. Is a very potent anaesthetic D. Interferes with diffusion of oxygen into the tissues

Description : 'Diffusion hypoxia’ is likely to occur only after use of nitrous oxide because it: A. Is a respiratory depressant B. Has low blood solubility and is used in high concentration C. Is a very potent anaesthetic D. Interferes with diffusion of oxygen into the tissues

Last Answer : B. Has low blood solubility and is used in high concentration

If a scuba diver suffers from the "bends", this means that which gas is being rapidly released from the blood and tissues? w) oxygen x) hydrogen y) nitrogen z) CO2

Description : If a scuba diver suffers from the "bends", this means that which gas is being rapidly released from the blood and tissues? w) oxygen x) hydrogen y) nitrogen z) CO2

Last Answer : ANSWER: Y -- NITROGEN 

Iron Deficiency Symptoms: Importance of Red Blood Cells and Oxygen?

Description : Iron Deficiency Symptoms: Importance of Red Blood Cells and Oxygen?

Last Answer : Iron plays a vital role in the proper functioning of the red blood cells. An iron deficiency can lead to a condition known as anemia, which occurs when the red blood cell count is ... also lead to a weakening of the immune system, increasing the vulnerability to common illnesses and infections.

In patients receiving massive blood transfusion for acute blood loss, which of the following is/are correct? A. Packed red blood cells and crystalloid solution should be infused to restore oxygen-carrying capacity and intravascular volume. B. Two units of FFP should be given with every 5 units of packed red blood cells in most cases. C. A “six pack” of platelets should be administered with every 10 units of packed red blood cells in most cases. D. One to two ampules of sodium bicarbonate should be administered with every 5 units of packed red blood cells to avoid acidosis. E. One ampule of calcium chloride should be administered with every 5 units of packed red blood cells to avoid hypocalcemia.

Description : In patients receiving massive blood transfusion for acute blood loss, which of the following is/are correct? A. Packed red blood cells and crystalloid solution should be infused to restore oxygen ... should be administered with every 5 units of packed red blood cells to avoid hypocalcemia.

Last Answer : Answer: A DISCUSSION: Patients who are suffering from acute blood loss require crystalloid resuscitation as the initial maneuver to restore intravascular volume and re-establish vital signs. If 2 to 3 liters ... when the infusion of blood proceeds at a rate exceeding 1 to 2 units every 5 minutes

What is the name of the molecule that transports oxygen in red blood cells?

Description : What is the name of the molecule that transports oxygen in red blood cells?

Last Answer : The respiratory pigment of the red blood cells is hemoglobin.

Which mineral element present in the red blood cells helps the transport of oxygen?

Description : Which mineral element present in the red blood cells helps the transport of oxygen?

Last Answer : Iron

The process of osmosis is best illustrated by the movement of: a) salts in blood stream. b) oxygen into red blood cells. c) carbon dioxide through stomata. d) water into root hair cells.

Description : The process of osmosis is best illustrated by the movement of: a) salts in blood stream. b) oxygen into red blood cells. c) carbon dioxide through stomata. d) water into root hair cells.

Last Answer : ANSWER: D -- WATER INTO ROOT HAIR CELLS.

Carbon dioxide entering the red blood corpuscles from the tissues is partially taken up by haemoglobin to form (a) carboxyhaemoglobin (b) carbonylhaemoglobin (c) carbaminohaemoglobin (d) carbomoylhaemoglobin

Description : Carbon dioxide entering the red blood corpuscles from the tissues is partially taken up by haemoglobin to form (a) carboxyhaemoglobin (b) carbonylhaemoglobin (c) carbaminohaemoglobin (d) carbomoylhaemoglobin

Last Answer : Ans:(a)

During the course of a cellular hypersensitivity a. Antibodies react with antigens in tissues. b. Serotonin and histamine are released by cells. c. Immune complexes form on blood vessel surfacesd. A skin thickening called an induration may form..

Description : During the course of a cellular hypersensitivity a. Antibodies react with antigens in tissues. b. Serotonin and histamine are released by cells. c. Immune complexes form on blood vessel surfaces. d. A skin thickening called an induration may form.

Last Answer : b. Serotonin and histamine are released by cells.

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.

Which of the following hormones is NOT correctly matched with its description? A) thymosin--aids in production of T cells B) thyroxin--needed for growth and development in vertebrates C) parathyroid hormone--increases level of calcium ions in blood D) cortisol--lowers blood glucose level by removing glucose into tissues E) epinephrine--released by the adrenal medulla under stressful conditions

Description : Which of the following hormones is NOT correctly matched with its description? A) thymosin--aids in production of T cells B) thyroxin--needed for growth and development in vertebrates ... by removing glucose into tissues E) epinephrine--released by the adrenal medulla under stressful conditions

Last Answer : D) cortisol--lowers blood glucose level by removing glucose into tissues E) epinephrine--released by the adrenal medulla under stressful conditions

Study of diseases of blood cells, platelets and the tissues and organs of hematopoietic system is called as __________. a. Forensic pathology b. Clinical pathology c. Immunopathology d. Hematopathology

Description : Study of diseases of blood cells, platelets and the tissues and organs of hematopoietic system is called as __________. a. Forensic pathology b. Clinical pathology c. Immunopathology d. Hematopathology

Last Answer : d. Hematopathology

Which blood vessels carry oxygen-rich blood from the heart to the rest of the body?

Description : Which blood vessels carry oxygen-rich blood from the heart to the rest of the body?

Last Answer : The large artery connected to the heart, called the Aorta.

The wall of the left ventricle is much thicker than that of right ventricle because (a) it accommodates more blood (b) it receives oxygenated blood with tremendous force from various parts of the body (c) it pumps oxygenated blood with tremendous force to various parts of the body (d) it is engineered to carry blood with a high quantum of oxygen and nutrients Questions

Description : The wall of the left ventricle is much thicker than that of right ventricle because (a) it accommodates more blood (b) it receives oxygenated blood with tremendous force from various parts of the ... body (d) it is engineered to carry blood with a high quantum of oxygen and nutrients Questions

Last Answer : Ans:(c)

What is the main purpose of white blood corpuscles? (1) to carry nutrients (2) to combat infections (3) to carry oxygen (4) to give strength

Description : What is the main purpose of white blood corpuscles? (1) to carry nutrients (2) to combat infections (3) to carry oxygen (4) to give strength

Last Answer : (2) to combat infections Explanation: White blood cells (WBCs), also called leukocytes, are an important part of the immune system. These cells help fight infections by attacking bacteria, ... the body. White blood cells originate in the bone marrow, but circulate throughout the bloodstream.

What is true about RBCs in humans? (a) They carry about 20-25 percent of CO2. (b) They transport 99.5 percent of O2. (c) They transport about 80 percent oxygen only and the rest 20 percent of it is transported in dissolved state in blood plasma. (d) They do not carry CO2 at all.

Description : What is true about RBCs in humans? (a) They carry about 20-25 percent of CO2. (b) They transport 99.5 percent of O2. (c) They transport about 80 percent oxygen only and the rest 20 percent of it is transported in dissolved state in blood plasma. (d) They do not carry CO2 at all.

Last Answer : (a) They carry about 20-25 percent of CO2.

There are three substances found in human blood which carry oxygen and which begin with the letter "H". Name two of these substances.

Description : There are three substances found in human blood which carry oxygen and which begin with the letter "H". Name two of these substances.

Last Answer : ANSWER: Hemoglobin, Hemocyanin, Hemerythrin

What is the main purpose of white blood corpuscles? (1) to carry nutrients (2) to combat infection (3) to carry oxygen (4) to give strength

Description : What is the main purpose of white blood corpuscles? (1) to carry nutrients (2) to combat infection (3) to carry oxygen (4) to give strength

Last Answer : to combat infection

Name the cells/tissues in human body which exhibit ciliary movement. -Biology

Description : Name the cells/tissues in human body which exhibit ciliary movement. -Biology

Last Answer : Macrophages and leucocytes in blood exhibit amoeboid movement.

Body tissues obtain oxygen from haemoglobin because of its dissociation in tissues caused by

Description : Body tissues obtain oxygen from haemoglobin because of its dissociation in tissues caused by

Last Answer : Body tissues obtain oxygen from haemoglobin because of its dissociation in tissues caused by A. Low ... concentration D. High `CO_(2)` concentration

If a necrotizing soft tissue infection is considered, therapy mandates: a. Empiric administration of antibiotics active against gram-positive, gram-negative, and anaerobic bacteria b. Due to usually resistant species, penicillin is not indicated c. Immediate operative intervention and aggressive resection of all involved tissues is mandatory d. The use of hyperbaric oxygen has been demonstrated to be clearly advantageous

Description : If a necrotizing soft tissue infection is considered, therapy mandates: a. Empiric administration of antibiotics active against gram-positive, gram-negative, and anaerobic bacteria b. Due to usually ... is mandatory d. The use of hyperbaric oxygen has been demonstrated to be clearly advantageous

Last Answer : Answer: a, c Identification of a necrotizing, soft tissue infection mandates immediate operative intervention with aggressive resection of all involved tissues and empiric ... remains without controlled trials demonstrating any additional benefits derived from hyperbaric oxygen therapy

When the oxygen to the tissues becomes inadequate, the condition is called (a) hypoxia (b) anoxia (c) asphyxia (d) dyspnoea

Description : When the oxygen to the tissues becomes inadequate, the condition is called (a) hypoxia (b) anoxia (c) asphyxia (d) dyspnoea

Last Answer : Ans:(c)

How carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body tissues? (a) By forming a stable compound with haemoglobin (b) By obstructing the reaction of oxygen with haemoglobin (c) By changing oxygen into carbon dioxide (d) By destroying the haemoglobin

Description : How carbon monoxide, emitted by automobiles, prevents transport of oxygen in the body tissues? (a) By forming a stable compound with haemoglobin (b) By obstructing the reaction of oxygen with haemoglobin (c) By changing oxygen into carbon dioxide (d) By destroying the haemoglobin

Last Answer : (a) By forming a stable compound with haemoglobin

Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals. (c) The presence of non-respiratory air sacs, increases the efficiency of respiration in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.

Description : Which one of the following statements is incorrect? (a) The principle of countercurrent flow facilitates efficient respiration in gills of fishes. (b) The residual air in lungs slightly decreases the ... in birds. (d) In insects, circulating body fluids serve to distribute oxygen to tissues.

Last Answer : (b) The residual air in lungs slightly decreases the efficiency of respiration in mammals.

Fat emboli are best demonstrated in the lungs by C A. PCR B. Chromatography C. Frozen section examination of tissues stained with Sudan red D. None of these

Description : Fat emboli are best demonstrated in the lungs by C A. PCR B. Chromatography C. Frozen section examination of tissues stained with Sudan red D. None of these

Last Answer : Frozen section examination of tissues stained with Sudan red

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.

the goal of _______ is to use cells and tissues to treat human illnesses or injuries. -General Knowledge

Description : the goal of _______ is to use cells and tissues to treat human illnesses or injuries. -General Knowledge

Last Answer : The goal of therapeutic cloning is to use cells and tissues to treat human illnesses or injuries.

Which of the following animals have scatted cells with cell - tissues grade organization ?

Description : Which of the following animals have scatted cells with cell - tissues grade organization ?

Last Answer : Which of the following animals have scatted cells with cell - tissues grade organization ? A. Sponge B. Hydra C. Liver fluke D. Ascaris

Sponges in which the cells are loosely aggregated and do not form tissues or organs are grouped under which subkingdom ?

Description : Sponges in which the cells are loosely aggregated and do not form tissues or organs are grouped under which subkingdom ?

Last Answer : Sponges in which the cells are loosely aggregated and do not form tissues or organs are grouped ... Metazoa B. Eumetazoa C. Parazoa D. Bilateria

The animals in which cells are organized into structural and functional units called as tissues, organs, and organ system are grouped under which subk

Description : The animals in which cells are organized into structural and functional units called as tissues, organs, and organ system are grouped under which subk

Last Answer : The animals in which cells are organized into structural and functional units called as tissues, ... Parazoa B. Eumetazoa C. Metazoa D. Bilateria