Description : Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin? (a) Eosinophils (b) Monocytes (c) Neutrophils (d) Basophils
Last Answer : d) Basophils
Description : Cytotoxic T cells release which 2 toxic proteins as they fight target cells? a. histamine and heparin b. perforin and granzymes c. interleukin and interferon d. lysozymes and cytokines
Last Answer : b. perforin and granzymes
Description : As thrombin generation proceeds, the body has natural anticoagulant systems opposing further thrombus formation. Natural anticoagulants include: a. Tissue plasminogen activator (TPA) b. Antithrombin III c. Activated protein C d. Heparin cofactor II
Last Answer : Answer: b, c, d Just as thrombin generation is the key to coagulation, antithrombin III is the most central anticoagulant proteins. This glycoprotein binds to thrombin, preventing its removal of ... in the body. Therefore, TPA is part of the fibrinolytic system rather than a natural anticoagulant
Description : During hemdialysis process I. blood drained from a conveniend artery and anticoagulant is added (heparin). II. Removal of nitrogenous waste from blood
Last Answer : During hemdialysis process I. blood drained from a conveniend artery and anticoagulant is added (heparin). II. ... D. `I rarr IV rarr II rarr III`
Description : Which is the anticoagulant substance in blood? (1) Fibrinogen (2) Heparin (3) Thrombin (4) Globin
Last Answer : (2) Heparin Explanation: Heparin, a highly sulfated glycosaminoglycan, is widely used as an inject able anticoagulant, and has the highest negative charge density of any known ... because blood anti-coagulation is achieved mostly by heparin sulfate proteoglyeans derived from endothelial cells.
Description : The following is true of heparin except: A. Sudden stoppage of continuous heparin therapy causes rebound increase in blood coagulability B. High doses of heparin inhibit platelet aggregation ... active circulating anticoagulant D. Heparin clears lipemic plasma in vivo but not in vitro
Last Answer : C. Heparin is the physiologically active circulating anticoagulant
Description : Mast cells of connective tissue contain (a) vasopressin and relaxin (b) heparin and histamine (c) heparin and calcitonin (d) serotonin and melanin.
Last Answer : (b) heparin and histamine
Description : Assertion: Heparin is an anticoagulant found in mammals. Reason: Heparin prevents the conversion of prothrombin to thrombin
Last Answer : Assertion: Heparin is an anticoagulant found in mammals. Reason: Heparin prevents the conversion of ... . If both Assertion & Reason are false.
Description : Answer: b, c, d Eosinophils constitute 1% to 3% of the leukocyte population of the bloodstream. They also reside in tissues and they exhibit phagocytic capabilities. They are less ... the cycle of events that result in recruitment and activation of inflammatory cells at sites of inflammation
Last Answer : Cellular injury from oxidants may be manifest by which of the following? a. Cell membrane lipid peroxidation b. DNA strand breaks c. Cytoskeletal disassembly d. ATP depletion
Description : Hashimoto disease and Graves‘ disease are similar in that both a. Affect the thyroid gland. b. Affect the red blood cells. c. Are forms of cellular hypersensitivity? d. Are accompanied by histamine release.
Last Answer : b. Affect the red blood cells.
Description : Secretion of Serotonin, heparin and histamine is the function of
Last Answer : mast cells.
Description : What cells release histamine during allergic responses?
Last Answer : Need answer
Description : The drug that can directly release histamine from mast cells without involving antigen-antibody reaction is: A. Aspirin B. Procaine C. Morphine D. Sulfadiazine
Last Answer : C. Morphine
Description : Morphine induced fall in blood pressure involves the following factors except: A. Direct cardiac depression B. Direct reduction of vascular tone C. Vasomotor centre depression D. Histamine release
Last Answer : A. Direct cardiac depression
Description : Succinylcholine is the preferred muscle relaxant for tracheal intubation because: A. It produces rapid and complete paralysis of respiratory muscles with quick recovery B. It does not alter heart rate or ... C. It does not cause histamine release D. It does not produce postoperative muscle soreness
Last Answer : A. It produces rapid and complete paralysis of respiratory muscles with quick recovery
Description : The fall in blood pressure caused by d-tubocurarine is due to: A. Reduced venous return B. Ganglionic blockade C. Histamine release D. All of the above
Last Answer : D. All of the above
Description : Mini-dose heparin has been shown to be useful in the prophylaxis of postoperative venous thrombosis. Mechanism(s) by which low-dose heparin is/are thought to protect against venous ... aggregation and subsequent platelet release action d. A mild prolongation of activated partial thromboplastin time
Last Answer : Answer: a, b, c Low-dose heparin is thought to protect against venous thrombosis through three different mechanisms. First, antithrombin III activity with its inhibition of activated Factor X is ... release reaction. The standard doses of heparin administered (5000 units bid) does not affect aPTT
Description : Choose the drug which alters surface receptors on platelet membrane to inhibit aggregation, release reaction and to improve platelet survival in extracorporeal circulation: A. Dipyridamole B. Ticlopidine C. Aspirin D. Heparin
Last Answer : B. Ticlopidine
Description : What are the rarest of WBCs that release histamine and exaggerate the inflammatory response?
Description : Zinc is involved in storage and release of (A) Histamine (B) Acetylcholine (C) Epinephrine (D) Insulin
Last Answer : Answer : D
Description : Edema associated with decreased plasma oncotic pressure may be caused by C A. Sodium depletion B. Histamine release C. Liver disease D. None of these
Last Answer : Liver disease
Description : Match the following columns and select the correct option. Column-I Column - II (A) Eosinophils (i) Immune response (B) Basophils (ii) Phagocytosis (C) Neutrophils (iii) Release histaminase, destructive enzymes (D) Lymphocytes (iv) ... (iii) (c) (i) (ii) (iv) (iii) (d) (ii) (i) (iii) (iv)
Last Answer : (a) (iii) (iv) (ii) (i)
Description : By which of the following mechanism reduces Aspirin pain: A. It is anti inflammatory by the release of histamine B. It blocks the cyclo-oxygenase pathway.
Last Answer : B. It blocks the cyclo-oxygenase pathway.
Description : Opioid analgesics reduce pain by the release of which naturally appearing product:CHECK A. Serotonin B. Histamine C. Enkephalins/endomorphins/endorphins/dynorphines
Last Answer : C. Enkephalins/endomorphins/endorphins/dynorphines
Description : The following factor is not involved in the causation of hypotension due to spinal anaesthesia: A. Histamine release B. Reduced sympathetic vasoconstrictor tone C. Decreased venous return from the lower limbs D. Bradycardia
Last Answer : A. Histamine release
Description : Neostigmine reverses the following actions of d-tubocurarine except: A. Motor weakness B. Ganglionic blockade C. Histamine release D. Respiratory paralysis
Last Answer : C. Histamine release
Description : Which of the following is applicable to mivacurium: A. It undergoes Hoffmann elimination B. It is the shortest acting nondepolarizing neuromuscular blocker C. It is excreted unchanged by kidney D. It does not cause histamine release
Last Answer : B. It is the shortest acting nondepolarizing neuromuscular blocker
Description : Pancuronium differs from tubocurarine in that: A. It is a depolarizing blocker B. Its action is not reversed by neostigmine C. It can cause rise in BP on rapid I.V. injection D. It causes marked histamine release
Last Answer : C. It can cause rise in BP on rapid I.V. injection
Description : Select the skeletal muscle relaxant that is commonly used for endotracheal intubation despite causing histamine release, K+ efflux from muscles and cardiovascular changes: A. Pipecuroniun B. Succinylcholine C. Pancuronium D. Cisatracurium
Last Answer : B. Succinylcholine
Description : The action of histamine that is not mediated through H1 receptors is: A. Release of EDRF from vascular endothelium resulting in vasodilatation B. Direct action on vascular smooth muscle causing vasodilatation C. Bronchoconstriction D. Release of catecholamines from adrenal medulla
Last Answer : B. Direct action on vascular smooth muscle causing vasodilatation
Description : Blood fails to clot white flowing in the blood vessel because of the presence of (1) Heparin (2) Prothrombin (3) Haemoglobin (4) Hirudin
Last Answer : Heparin
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.
Description : Which one of the following anticoagulant is added in blood during storage ?
Last Answer : Which one of the following anticoagulant is added in blood during storage ? A. Sodium carbonate ... oxalate C. Sodium chloride D. Sodium hydroxide
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
Description : Which one is the common anticoagulant used for preserving blood?
Last Answer : Which one is the common anticoagulant used for preserving blood? A. NaCl B. Sodium oxalate C. KCl D. Thromboplastin
Description : In blood, which anticoagulant substance found
Description : Histamine is synthesised in (A) Brain (B) Mast cells (C) Basophils (D) All of these
Description : Histamine (a) May be released from mast cells by a number of therapeutic agents (b) Causes sedation (c) Decreases the force of contraction of ventricular muscle (d) Can cause strong contractions of the gravid human uterus
Last Answer : Ans: D
Description : A mast cell (or mastocyte) is a resident cells of several types of tissues and contains many granules rich in_______. a) Acetylcholine b) Nicotine c) Epinephrine d) Histamine e) Histadine
Description : Polymorphonuclear neutrophil granulocytes A A. are important cells in bacterial infections B. play a role in inflammation by releasing histamine C. are important cells in neoplastic conditions D. play an important role in viral infections
Last Answer : are important cells in bacterial infections
Description : Histamine secreting cells are found in (a) connective tissues (b) lungs (c) muscular tissue (d) nervous tissue
Last Answer : (a) connective tissues
Description : In mammals, histamine is secreted by (a) lymphocytes (b) mast cells (c) fibroblasts (d) histiocytes.
Last Answer : b) mast cells
Description : Mast cells secrete (a) haemoglobin (b) hippurin (c) myoglobin (d) histamine
Last Answer : (d) histamine.
Description : Acquired immunity consists of humoral immunity maintained by _____ and _____, and cell-mediated immunity controlled by _____ a. T cells, complement, B cells b. T cells, Interleukin, B cells c. B cells, antibodies, T cells d. B cells, histamine, T cells
Last Answer : c. B cells, antibodies, T cells
Description : ________ bind to_________ on microbial invaders. a. Toll-like receptors; PAM Ps b. Mast cells; histamine c. Toll-like receptors; complement d. Macrophages; defensins
Last Answer : a. Toll-like receptors; PAM Ps
Description : Which of the following body substances causes increased gastric secretion, dilation of capillaries, and constriction of the bronchial smooth muscle? a) Histamine When cells are damaged, ... Prostaglandin Prostaglandins are unsaturated fatty acids that have a wide assortment of biologic activity.
Last Answer : a) Histamine When cells are damaged, histamine is released.
Description : Which of the following medications represents the category proton (gastric acid) pump inhibitors? a) Omeprazole (Prilosec) Omeprazole decreases gastric acid by slowing the hydrogenpotassium-adenosine ... antagonist. d) Metronidazole (Flagyl) Metronidazole is an antibiotic, specifically an amebicide.
Last Answer : a) Omeprazole (Prilosec) Omeprazole decreases gastric acid by slowing the hydrogenpotassium-adenosine-triphosphatase pump on the surface of the parietal cells.
Description : An anticoagulant is
Last Answer : An anticoagulant is A. Heparin B. Hirudin C. EDTA D. All the above