********* factor is involved in : (1) Blood Coagulation (2) Excretion (3) Digestion (4) Respiration

********* factor is involved in : (1) Blood Coagulation (2) Excretion (3) Digestion (4) Respiration
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Blood Coagulation
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********* factor is involved in – (1) Blood Coagulation (2) Excretion (3) Digestion (4) Respiration

Description : Christmas factor is involved in – (1) Blood Coagulation (2) Excretion (3) Digestion (4) Respiration

Last Answer : (1) Blood Coagulation Explanation: Factor IX, also known as Christmas factor, is one of the serine proteases of the coagulation system; it belongs to peptidase family Sl. Deficiency of this ... young boy named Stephen Christmas was found to be lacking this exact factor, leading to haemophilia.

The diaphragm assists in (a) digestion (b) respiration (c) circulation of blood (d) excretion of waste

Description : The diaphragm assists in (a) digestion (b) respiration (c) circulation of blood (d) excretion of waste

Last Answer : Ans:(b)

Allarltois of Embryo helps in - (1) digestion (3) excretion (2) respiration (4) protection

Description : Allarltois of Embryo helps in - (1) digestion (3) excretion (2) respiration (4) protection

Last Answer : (3) excretion Explanation: The allantois is the sac-like extraembryonic membrane that removes waste from the embryo. As the embryo grows, so does the allantois, eventually pressing against the chorion. ... side the eggshell. In addition, the allantois also serves as a disposal site for uric acid.

Mycoplasma is associated with a disease that affects the organs of - (1) respiration (2) excretion (3) reproduction (4) digestion

Description : Mycoplasma is associated with a disease that affects the organs of - (1) respiration (2) excretion (3) reproduction (4) digestion

Last Answer : (1) respiration Explanation: Mycoplasma refers to a genus of bacteria that lack a cell wall. Several species are pathogenic in humans, including M. pneumoniae, which is an important cause ... respiratory disorders, and M. genitalium, which is believed to be involved in pelvic inflammatory diseases.

Allantois of Embryo helps in (1) digestion (2) respiration (3) excretion (4) protection

Description : Allantois of Embryo helps in (1) digestion (2) respiration (3) excretion (4) protection

Last Answer : excretion

Mycoplasma is associated with a disease that affects the organs of (1) respiration (2) excretion (3) reproduction (4) digestion

Description : Mycoplasma is associated with a disease that affects the organs of (1) respiration (2) excretion (3) reproduction (4) digestion

Last Answer : respiration

The exclusive function of iron in the body is confined to the process of (A) Muscular contraction (B) Nerve excitation (C) Cellular respiration (D) Blood coagulation

Description : The exclusive function of iron in the body is confined to the process of (A) Muscular contraction (B) Nerve excitation (C) Cellular respiration (D) Blood coagulation

Last Answer : Answer : C

In the mammalian body, this element plays many important roles. Try to identify this element with the fewest number of clues. This element is required to insure the integrity and permeability of cell membranes, to regulate nerve and muscle excitability, to help maintain normal muscular contraction, and to assure cardiac rhythmicity. It also plays a essential role in several of the enzymatic steps involved in blood coagulation and is the most important element of bone salt. Name this element.

Description : In the mammalian body, this element plays many important roles. Try to identify this element with the fewest number of clues. This element is required to insure the integrity and permeability of ... involved in blood coagulation and is the most important element of bone salt. Name this element.

Last Answer : ANSWER: Calcium 

The organs of digestion, excretion and reproduction are protected by

Description : The organs of digestion, excretion and reproduction are protected by

Last Answer : pelvic girdle.

he primary mechanism by which heparin prevents coagulation of blood is: A. Direct inhibition of prothrombin to thrombin conversion B. Facilitation of antithrombin III mediated inhibition of factor Xa and thrombin C. Activation of antithrombin III to inhibit factors IX and XI D. Inhibition of factors XIIa and XIIIa

Description : he primary mechanism by which heparin prevents coagulation of blood is: A. Direct inhibition of prothrombin to thrombin conversion B. Facilitation of antithrombin III mediated inhibition of factor Xa and ... of antithrombin III to inhibit factors IX and XI D. Inhibition of factors XIIa and XIIIa

Last Answer : B. Facilitation of antithrombin III mediated inhibition of factor Xa and thrombi

Select the action of vasopressin exerted through the V1 subtype receptors: A. Release of coagulation factor VIII and von Willebrands factor from vascular endothelium B. Increased peristalsis of gut C. Dilatation of blood vessels D. Increased water permeability of renal collecting ducts

Description : Select the action of vasopressin exerted through the V1 subtype receptors: A. Release of coagulation factor VIII and von Willebrands factor from vascular endothelium B. Increased peristalsis of gut C. Dilatation of blood vessels D. Increased water permeability of renal collecting ducts

Last Answer : B. Increased peristalsis of gut

The kidneys in human beings are a part of the system for (i) nutrition (ii) respiration (iii) excretion (iv) transportation -Biology

Description : The kidneys in human beings are a part of the system for (i) nutrition (ii) respiration (iii) excretion (iv) transportation -Biology

Last Answer : Answer. The kidneys in human beings are a part of the system for excretion and it process of the metabolic waste which can eliminated from an organism. In this vertebrates this become primarily carried out ... and other part of the skin. it is more important process in major form of the life.

In what process does Hydra complete respiration and excretion ?

Description : In what process does Hydra complete respiration and excretion ?

Last Answer : Hydra completes respiration and excretion in the diffusion process.

The source of oxygen in atmosphere is due to – (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration

Description : The source of oxygen in atmosphere is due to – (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration

Last Answer : (1) Photosynthesis Explanation: The main source of atmospheric free oxygen is photosynthesis, which produces sugars and free oxygen from carbon dioxide and water. The organ-isms that carry out photosynthesis include ... well as the phytoplankton of the oceans. 6CO2 + 6H2O + energy -> C6H12O6 + 6O2

Vegetables and fruits should be a part of our diet because they stimulate - (1) Peristalsis (2) Salivation (3) Excretion (4) Respiration

Description : Vegetables and fruits should be a part of our diet because they stimulate - (1) Peristalsis (2) Salivation (3) Excretion (4) Respiration

Last Answer : (1) Peristalsis Explanation: Vegetable and fruits should be a part of our diet because they stimulate peristalsis.

Primary function of enteronephric nephridia of Pheretima is (a) osmoregulation (b) excretion of nitrogenous wastes (c) respiration (d) locomotion.

Description : Primary function of enteronephric nephridia of Pheretima is (a) osmoregulation (b) excretion of nitrogenous wastes (c) respiration (d) locomotion.

Last Answer : (a) osmoregulation

Green gland is associated with a) Excretion b) Nutrition c) Defence d) Respiration

Description : Green gland is associated with a) Excretion b) Nutrition c) Defence d) Respiration

Last Answer : a) Excretion

The source of oxygen in atmosphere is due to (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration

Description : The source of oxygen in atmosphere is due to (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration

Last Answer : Photosynthesis

Vegetables and fruits should be a part of our diet because they stimulate (1) Peristalsis (2) Salivation (3) Excretion (4) Respiration

Description : Vegetables and fruits should be a part of our diet because they stimulate (1) Peristalsis (2) Salivation (3) Excretion (4) Respiration

Last Answer : Peristalsis

The function of the liver is to (a) Promote digestion of food (b) Promote respiration (c) Store glucose as glycogen (d) None of these

Description : The function of the liver is to (a) Promote digestion of food (b) Promote respiration (c) Store glucose as glycogen (d) None of these

Last Answer : Ans:(d)

Enzymes help in (a) Respiration (b) Digestion of food (c) Immune system (d) Reproduction

Description : Enzymes help in (a) Respiration (b) Digestion of food (c) Immune system (d) Reproduction

Last Answer : Ans:(b)

Lungs are the primary organs of (1) Digestion (2) Constipation (3) Perspiration (4) Respiration

Description : Lungs are the primary organs of (1) Digestion (2) Constipation (3) Perspiration (4) Respiration

Last Answer : (4) Respiration Explanation: The lungs are the primary organs of respiration in humans and many other animals including a few fish and some snails.

The functions of pacemaker is - (1) Regulation of urine formation (2) Regulation of digestion (3) Initiation of heart beat (4) Initiation of respiration

Description : The functions of pacemaker is - (1) Regulation of urine formation (2) Regulation of digestion (3) Initiation of heart beat (4) Initiation of respiration

Last Answer : (3) Initiation of heart beat Explanation: A pacemaker is a medical device that uses electrical impulses, delivered by electrodes contacting the heart muscles, to initiate and regulate the beating of the heart ... is not fast enough, or there is a block in the heart's electrical conduction system.

Role of biotechnology in the production of food based on ------? A. Decomposition B. Respiration C. Digestion D. Fermentation (Answer) E. None of these

Description : Role of biotechnology in the production of food based on ------? A. Decomposition B. Respiration C. Digestion D. Fermentation (Answer) E. None of these

Last Answer : D. Fermentation (Answer)

Which of the following scientific terms is used to describe the loss of water vapor by plants. Is it: a) digestion b) respiration c) adsorption d) transpiration

Description : Which of the following scientific terms is used to describe the loss of water vapor by plants. Is it: a) digestion b) respiration c) adsorption d) transpiration

Last Answer : ANSWER: D -- TRANSPIRATION

The functions of pacemaker is (1) Regulation of urine formation (2) Regulation of digestion (3) Initiation of heart beat (4) Initiation of respiration

Description : The functions of pacemaker is (1) Regulation of urine formation (2) Regulation of digestion (3) Initiation of heart beat (4) Initiation of respiration 

Last Answer : Initiation of heart beat

Assertion : In Balanoglossus, proboscis is involved in excretion Reason : Glomerulus is present in proboscis.

Description : Assertion : In Balanoglossus, proboscis is involved in excretion Reason : Glomerulus is present in proboscis.

Last Answer : Assertion : In Balanoglossus, proboscis is involved in excretion Reason : Glomerulus is present in ... . If both Assertion and Reason are false.

Which of the following statements about the coagulation cascade is/are true? A. The intrinsic pathway of coagulation is the predominant pathway in vivo for hemostasis and coagulation. B. The intrinsic pathway beginning with the activation of factor XII is the predominant in vivo mechanism for activation of the coagulation cascade. C. Deficiencies of factor VIII and IX cause highly significant coagulation abnormalities. D. Deficiencies of factor XII cause severe clinical bleeding syndromes.

Description : Which of the following statements about the coagulation cascade is/are true? A. The intrinsic pathway of coagulation is the predominant pathway in vivo for hemostasis and coagulation. ... coagulation abnormalities. D. Deficiencies of factor XII cause severe clinical bleeding syndromes.

Last Answer : Answer: AC DISCUSSION: Although it was previously held that two somewhat distinct pathways existed for the activation of the coagulation cascade, it is now recognized that the predominant ... bleeding. This further emphasizes the secondary role that the intrinsic pathway plays in coagulation

Hemostasis and the cessation of bleeding require which of the following processes? A. Adherence of platelets to exposed subendothelial glycoproteins and collagen with subsequent aggregation of platelets and formation of a hemostatic plug. B. Interaction of tissue factor with factor VII circulating in the plasma. C. The production of thrombin via the coagulation cascade with conversion of fibrinogen to fibrin. D. Cross-linking of fibrin by factor XIII.

Description : Hemostasis and the cessation of bleeding require which of the following processes? A. Adherence of platelets to exposed subendothelial glycoproteins and collagen with subsequent aggregation of platelets and ... conversion of fibrinogen to fibrin. D. Cross-linking of fibrin by factor XIII.

Last Answer : Answer: ABCD DISCUSSION: Hemostasis requires the interaction of platelets with the exposed subendothelial structures at the site of injury followed by aggregation of more platelets in that area. ... form a stable clot that incorporates the platelet plug and fibrin thrombus into a stable clot

The transfusion of fresh frozen plasma (FFP) is indicated for which of the following reasons? A. Volume replacement. B. As a nutritional supplement. C. Specific coagulation factor deficiency with an abnormal prothrombin time (PT) and/or an abnormal activated partial thromboplastin time (APTT). D. For the correction of abnormal PT secondary to warfarin therapy, vitamin K deficiency, or liver disease.

Description : The transfusion of fresh frozen plasma (FFP) is indicated for which of the following reasons? A. Volume replacement. B. As a nutritional supplement. C. Specific coagulation factor deficiency ... the correction of abnormal PT secondary to warfarin therapy, vitamin K deficiency, or liver disease.

Last Answer : Answer: CD DISCUSSION: The use of FFP as a volume expander is not indicated. There are currently several preparations (both crystalloid and colloid) that are equally effective and do not carry the infectious and ... vitamin K-dependent factors II, VII, IX, and X, as well as protein C and protein S

Describe the processes involved in mechanical digestion. -Biology

Description : Describe the processes involved in mechanical digestion. -Biology

Last Answer : answer:

What is the main cell organelle involved in cell digestion ?

Description : What is the main cell organelle involved in cell digestion ?

Last Answer : What are the properties of that organelle that enable it to the task? The organelles responsible for intracellular digestion are the lysosomes. Lysosomes are vesicles that contain digestive enzymes ... digested and then digestion takes place. Cell Digestion Review - Image Diversity: lysosomes

How does the pancreatic juice help the digestion of lipids? What is the involved enzyme?

Description : How does the pancreatic juice help the digestion of lipids? What is the involved enzyme?

Last Answer : The enzyme pancreatic lipase is present in the pancreatic juice. This enzyme breaks triacylglycerol (triglyceride) into fatty acids and glycerol.

How does the pancreatic juice resume the digestion of carbohydrates? What is the involved enzyme?

Description : How does the pancreatic juice resume the digestion of carbohydrates? What is the involved enzyme?

Last Answer : Carbohydrate digestion begins with the action of the salivary amylase (ptyalin) in the mouth and it continues in the duodenum by the action of the pancreatic juice. This juice contains the enzyme ... amylopsin, that breaks starch (amylum) into maltose (a disaccharide made of two glucose molecules).

How does the pancreatic juice participate in the digestion of proteins? What are the involved enzymes?

Description : How does the pancreatic juice participate in the digestion of proteins? What are the involved enzymes?

Last Answer : The pancreas secretes trypsinogen that, undergoing action of the enzyme enterokinase secreted by the duodenum, is transformed into trypsin. Trypsin in its turn catalyzes the activation of pancreatic ... activated by trypsin) helped by the enzyme aminopeptidase made in the intestinal mucous membrane.

Excretion of phenolsulphanpthalein (PSP) reflects (A) Glomerulonephritis (B) Maximaltabular excretory capacity (C) Filtration factor (D) Renal plasma flow

Description : Excretion of phenolsulphanpthalein (PSP) reflects (A) Glomerulonephritis (B) Maximaltabular excretory capacity (C) Filtration factor (D) Renal plasma flow

Last Answer : Answer : B

Which Blood Cell Helps Blood Coagulation ?

Description : Which Blood Cell Helps Blood Coagulation ?

Last Answer : : Molecules help in blood clotting in the process of endophagositosis.

Assertion `:` Prothrombinase enzyme act as antiheparin Reason `:` Heparin prevent coagulation of blood in Blood vessels

Description : Assertion `:` Prothrombinase enzyme act as antiheparin Reason `:` Heparin prevent coagulation of blood in Blood vessels

Last Answer : Assertion `:` Prothrombinase enzyme act as antiheparin Reason `:` Heparin prevent coagulation of blood in ... D. If both Assertion & Reason are false.

Which of the following does not play a role in blood coagulation

Description : Which of the following does not play a role in blood coagulation

Last Answer : Which of the following does not play a role in blood coagulation A. Vitamin K B. Vitamin D C. Calcium ions D. Fibrinogen

During the process of blood coagulation, vitamin K helps in

Description : During the process of blood coagulation, vitamin K helps in

Last Answer : During the process of blood coagulation, vitamin K helps in A. Formation of thromboplastin B. ... to thrombin D. Conversion of fibrinogen to fibrin

Which of the following is an anticoagulant and checks blood coagulation in blood vessels?

Description : Which of the following is an anticoagulant and checks blood coagulation in blood vessels?

Last Answer : Which of the following is an anticoagulant and checks blood coagulation in blood vessels? A. Prothrombin B. Globulin C. Thromboplatin D. Heparin

Which of the following substances, if introdced into the blood system, would cause coagulation of blood at the site of its introduction

Description : Which of the following substances, if introdced into the blood system, would cause coagulation of blood at the site of its introduction

Last Answer : Which of the following substances, if introdced into the blood system, would cause coagulation of ... B. Fibronogen C. Heparin D. Prothrombin

Protein required for coagulation of blood is

Description : Protein required for coagulation of blood is

Last Answer : Protein required for coagulation of blood is A. haemoglobin B. Globulin C. Fibrinogen D. Albumin

Which is unrelated to blood coagulation ?

Description : Which is unrelated to blood coagulation ?

Last Answer : Which is unrelated to blood coagulation ? A. Fibrinogen B. Fibrin C. Bilirubin D. Calcium

The coagulation of blood occurs due to

Description : The coagulation of blood occurs due to

Last Answer : The coagulation of blood occurs due to A. Destruction of erythrocytes B. Destruction of leucocytes ... of fibrinogen into fibrin D. Formation of serum

A non-functional plasma enzyme is (A) Psudocholinesterase (B) Lipoprotein lipase (C) Proenzyme of blood coagulation (D) Lipase

Description : A non-functional plasma enzyme is (A) Psudocholinesterase (B) Lipoprotein lipase (C) Proenzyme of blood coagulation (D) Lipase

Last Answer : Answer : D

Laboratory monitoring of coagulation and anticoagulation includes testing of platelet function. Which of the following statements is/are true concerning tests of platelet function? a. A platelet count of 50,000/µL or more usually ensures hemostasis b. Bleeding time assays assessibility of platelets to perform hemostatic plugs and is determined from a sample of blood drawn in an EDTA coated test tube c. Aspirin therapy can be associated with a bleeding time in the range of 8–15 minutes d. Tests of platelet aggregation should be part of the standard preoperative evaluation of patients using aspirin

Description : Laboratory monitoring of coagulation and anticoagulation includes testing of platelet function. Which of the following statements is/are true concerning tests of platelet function? a. A ... platelet aggregation should be part of the standard preoperative evaluation of patients using aspirin

Last Answer : Answer: a, c Tests of platelet function include peripheral platelet counts, bleeding times, and platelet aggregation. Usually, a platelet count of 50,000/mL or more ensures adequate hemostasis ... is not available in most laboratories, probably because of the observer-dependent nature of the test

Tests of coagulation are used to monitor anticoagulation treatment and detect intrinsic abnormalities in coagulation. Which of the following statement(s) is/are true concerning coagulation tests? a. Prothrombin time (PT) measures both the intrinsic and extrinsic clotting pathways and fibrinogen b. Activated partial thromboplastin time (aPTT) can be used to monitor both oral anticoagulation with Warfarin and intravenous anticoagulation with heparin c. Thrombin clotting time (TCT) is a measurement of the time it takes for exogenously administered thrombin to turn plasma fibrinogen into fibrin clot d. Whole blood activated clotting time (ACT) is a measurement of the ability of whole blood to clot and is used to monitor heparin levels intraoperatively during cardiovascular and peripheral vascu

Description : Tests of coagulation are used to monitor anticoagulation treatment and detect intrinsic abnormalities in coagulation. Which of the following statement(s) is/are true concerning ... is used to monitor heparin levels intraoperatively during cardiovascular and peripheral vascular operations

Last Answer : Answer: a, c, d Coagulation tests include prothrombin time (PT), which measures the intrinsic and extrinsic pathways of fibrinogen production and is the most common method for ... more while for peripheral vascular applications, values of 250 seconds or greater are considered appropriate

The evaluation of a patient scheduled for elective surgery should always include the following as tests of hemostasis and coagulation: A. History and physical examination. B. Complete blood count (CBC), including platelet count. C. Prothrombin time (PT) and activated partial thromboplastin time (APTT). D. Studies of platelet aggregation with adenosine diphosphate (ADP) and epinephrine.

Description : The evaluation of a patient scheduled for elective surgery should always include the following as tests of hemostasis and coagulation: A. History and physical examination. B. Complete blood count ( ... (APTT). D. Studies of platelet aggregation with adenosine diphosphate (ADP) and epinephrine.

Last Answer : Answer: A DISCUSSION: The evaluation of most patients scheduled for elective surgery who do not have a history of significant bleeding disorders is somewhat controversial. An adequate history and ... suspected of having qualitative defects of platelet function (e.g., von Willebrand's disease)

Which of the following statements about the preparation and storage of blood components is/are true? A. Solutions containing citrate prevent coagulation by binding calcium. B. The shelf life of packed red blood cells preserved with CPDA-1 is approximately 35 days at 1؛ to 6؛ C. C. There are normal numbers of platelets in packed red blood cells stored at 1؛ to 6؛ C for more than 2 days. D. The storage lesion affecting refrigerated packed red blood cells includes development of acidosis, hyperkalemia, and decreased intracellular 2,3DPG (diphosphoglycerate).

Description : Which of the following statements about the preparation and storage of blood components is/are true? A. Solutions containing citrate prevent coagulation by binding calcium. B. The ... cells includes development of acidosis, hyperkalemia, and decreased intracellular 2,3DPG (diphosphoglycerate).

Last Answer : Answer: ABD DISCUSSION: After blood has been collected from a donor, it is anticoagulated with a solution containing citrate, which acts by binding calcium. Blood is then separated into its ... transfusion or produce effects other than those predicted based on the content of the unit of blood