Description : What is the function of the heart Pacemaker? A. It decreases the heart beat B. It regulates the heart beat C. It increases the heart beat D. It accelerates blood supply to the heart
Last Answer : ANSWER: B
Description : Select the correct matching of a hormone, its source and function. Hormone Source Function (a) Vasopressin Posterior Increases loss pituitary of water through urine (b) Norepine- Adrenal ... (d) Prolactin Posterior Regulates growth pituitary of mammary glands and milk formation in females
Last Answer : (b) Norepine- Adrenal Increases heart phrine medulla beat, rate of respiration and alterness
Description : if you suspect atrial flutter : Consider digoxin if not already in use because it frequently increases the conduction ratio and decreases the ventricular rate. , Avoid adrenergic and ... to the muscle decrease blood supply to the muscle the heart trying to beat fast ______________________________
Last Answer : decrease O2 supply to the muscle
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.
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
Description : Which one regulates heart beat?
Last Answer : Which one regulates heart beat? A. Purkinje fibres B. Cardiac branch of vagus nerve C. SA node D. AV node
Description : Tachycardia is a condition characterized by (1) heart-rate decreases from the normal (2) heart- rate increases from the normal (3) heart-beat stops (4) heart fails to pump
Last Answer : (2) heart- rate increases from the normal Explanation: Tachycardia is a heart rate that exceeds the nor-mal resting rate. In general, a resting heart rate over 100 beats per minute is ... a person is at rest. Tachycardia occurs when an abnormality in the heart produces rapid electrical signals.
Last Answer : heart- rate increases from the normal
Description : Identify the hormone with its correct matching of source and function. (a) Oxytocin - posterior pituitary, growth and maintenance of mammary glands. (b) Melatonin - pineal gland, regulates the ... sex organs. (d) Atrial natriuretic factor - ventricular wall, increases the blood pressure.
Last Answer : (b) Melatonin - pineal gland, regulates the normal rhythm of sleepwake cycle
Description : Procainamide differs from quinidine in the following respect (a) It does not cause paradoxical tachycardia (b) It has no alfa adrenergic blocking activity (c) It has little antivagal action (d) Both (b ... a) Pacemaker function (b) Resting potential (c) Action potential duration (d) All of the above
Last Answer : Ans: D
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.
Description : Heart attack occurs due to : (1) Bacterial attack on the heart (2) Stopping of heart beat (3) Lack of blood supply to the heart itself (4) Impairment of heart’s working due to unknown reasons
Last Answer : (3) Lack of blood supply to the heart itself Explanation: A heart attack occurs if the flow of oxygen-rich blood to a section of heart muscle suddenly becomes blocked. If blood) flow isn' ... plaque (plak) builds up inside the coronary arteries. These arteries supply oxygen-rich blood to the heart.
Description : Heart attack occurs due to – (1) Bacterial attack on the heart (2) Stopping of heart beat (3) Lack of supply of blood to the heart itself (4) Impairment of heart's working due to unknown reasons
Last Answer : (3) Lack of supply of blood to the heart itself Explanation: A heart attack occurs when blood flow to a part of your heart is blocked for a long enough time that part of the heart, muscle is damaged ... to the heart. If the blood flow is blocked, the heart is starved of oxygen and heart cells die.
Last Answer : Lack of blood supply to the heart itself
Description : Flywheel is an important part of a steam engine because it – (1) accelerates the speed of the engine (2) helps the engine in keeping the speed uniform (3) decreases the moment of inertia (4) gives strength to the engine
Last Answer : (2) helps the engine in keeping the speed uniform Explanation: A flywheel is a rotating mechanical device that is used to store rotational energy. Flywheels have a. significant moment of ... the Industrial Revolution, James Watt contributed to the development of the flywheel in the steam engine.
Description : Flywheel is an important part of a steam engine because it - (1) gives strength to the engine (2) accelerates the speed of the engine (3) helps the engine in keeping the speed uniform (4) decreases the moment of Inertia
Last Answer : (3) helps the engine in keeping the speed uniform
Description : Flywheel is an important part of a steam engine because it : (1) accelerates the speed of the engine (2) helps the engine in keeping the speed uniform (3) decreases the moment of inertia (4) gives strength to the engine
Last Answer : helps the engine in keeping the speed uniform
Description : Assertion `:` Though AV node generates impulses, it is still not called as the pacemaker of heart. Reason `:` The rythmicity of impulse production is
Last Answer : Assertion `:` Though AV node generates impulses, it is still not called as the pacemaker of heart. ... . D. If both Assertion & Reason are false.
Description : Heart pacemaker?
Last Answer : DefinitionA pacemaker is a small, battery-operated device that senses when your heart is beating irregularly or too slowly. It sends a signal to your heart that makes your heart beat at the correct pace.Alternative ... takes about 1 hour. You will be given a sedative to help you relax. You will b
Description : The effect of noradrenaline on the heart include: a. tachycardiac b. increased duration of the cardiac action potential c. decreased potassium conductance of the membranes of pacemaker cells d. increased strength of cardiac contraction
Last Answer : increased strength of cardiac contraction
Description : The secondary pacemaker of the heart is known as the: a) AV node b) SA node c) Purkinje Bundle d) None of the above
Last Answer : ANSWER: A -- AV node
Description : The β3 adrenoceptor differs from the other subtypes of β receptor in that it: A. Is not blocked by the conventional doses of propranolol B. Is located primarily in the heart C. Regulates blood sugar level D. Is not coupled to G proteins
Last Answer : A. Is not blocked by the conventional doses of propranolol
Description : The β 3 adrenoceptor differs from the other subtypes of β receptor in that it: A. Is not blocked by the conventional doses of propranolol B. Is located primarily in the heart C. Regulates blood sugar level D. Is not coupled to G proteins
Description : Which of the following increases the rate of heart beat? (1) Peripheral nerves (2) Sympathetic nerves (3) Parasympathetic nerves (4) Cranial nerves
Last Answer : (2) Sympathetic nerves Explanation: Heart rate is controlled by the two branches of the autonomic (involuntary) nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous ... parasympathetic nervous sys-tem (PNS) releases the hormone acetylcholine to slow the heart rate.
Last Answer : Sympathetic nerves
Description : Nor-epinephrine (i) is released by sympathetic fibers (ii) is released by parasympathetic fibers (iii)increases the heart rate (iv) decreases blood pressure. Which of the above statements are correct? (a) (i) and (iii) (b) (ii) and (iii) (c) (ii) and (iv) (d) (i) and (iv)
Last Answer : (a) (i) and (iii)
Description : In the illustration, the component VR2 on the A1 AMPLIFIER MODULE is _________. EL-0060 A. a zener diode to regulate the +9 volt power supply from common B. a variable resistor diode to control the output to terminal ... 2 at 9.1 volts DC D. a tunnel diode with a breakdown voltage of 6.6 Volts DC
Last Answer : Answer: C
Description : In the illustration, the component VR1 on the A1 AMPLIFIER MODULE is _________. EL-0060 A. a zener diode to regulate the +9 volt power supply from common B. a variable resistor diode to control the output to ... terminal 9 at 6.6 volts DC D. a tunnel diode with a breakdown voltage of 6.6 Volts DC
Last Answer : Answer: A
Description : In the illustration, the component VR1 on the A1A1 PCB is _________. EL-0060 A. a zener diode to regulate the +9 volt power supply B. a variable resistor diode to control the output to terminal 9 that controls ... terminal 9 at 6.6 volts DC D. a tunnel diode with a breakdown voltage of 6.6 Volts DC
Description : The cardiac pacemaker in a patient fails to function normally. The doctors find that an artifical pacemaker is to be grafted in him. It is likely that
Last Answer : The cardiac pacemaker in a patient fails to function normally. The doctors find that an ... node C. Atrioventricular node D. Atroventricular bundle
Description : The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker is to be grafted in him. It is likely that it will be grafted at the site of (a) atrioventricular bundle (b) Purkinje system (c) sinoatrial node (d) atrioventricular node.
Last Answer : (b) Purkinje system
Description : Match the source gland with its respective hormone and function and select the correct option. Source Hormone Function gland (a) Anterior Oxytocin Contraction of uterus pituitary muscles during ... (c) Corpus Estrogen Supports pregnancy luteum (d) Thyroid Thyroxine Regulates blood calcium level
Last Answer : (b) Posterior Vasopressin Stimulates pituitary reabsorption of water in the distal tubules in the nephron
Description : Which of the following regulates lipolysis in adipocytes? (A) Activation of fatty acid synthesis mediated by CAMP (B) Glycerol phosphorylation to prevent futile esterification of fatty acids (C) ... result of hormone stimulated increases in CAMP levels (D) Activation of CAMP production by Insulin
Last Answer : Answer : C
Description : The rating of the Transformer __ when the supply frequency is increased: a) Remains unchanged b) Increases c) Decreases d) None of the above
Last Answer : Ans: B
Description : In a period of inflation and price rises the supply of money remains - (1) the same (2) increases (3) decreases (4) increases or decreases pro-portionately.
Last Answer : (2) increases Explanation: Money supply is the total amount of monetary assets available in an economy at a specific time. The relation between money and prices is historically associated with the quantity ... money-supply growth, at least for rapid increases in the amount of money in the economy.
Description : A fall in demand or rise in supply of a commodity— (1) Increases the price of that commodity (2) decreases the price of that commodity (3) neutralizes the changes in the price (4) determines" the price elasticity
Last Answer : (2) decreases the price of that commodity Explanation: The four basic laws of supply and demand are: (1) If demand increases and supply remains unchanged, a shortage occurs, leading to a higher ... (4) If demand remains unchanged and supply decreases, a shortage occurs, leading to a higher price.
Description : If the grain size of soil increases (A) Surface area decreases (B) Specific retention decreases (C) Water supply in well increases (D) All the above
Last Answer : Answer: Option D
Description : nelastic demand in industrial markets refers to a situation where A)demand for a given product fluctuates very little over time. B)price increases or decreases will not significantly alter demand for a ... for another product. E)supply for a given product cannot keep up with the demand for it.
Last Answer : )price increases or decreases will not significantly alter demand for a given product.
Description : A 220/440 V, 50 Hz, 5 KVA, single phase transformer operates on 220V, 40Hz supply with secondary winding open circuited. Then (A) Both eddy current and hysteresis losses decreases. (B) Both ... same but hysteresis loss increases. (D) Eddy current loss increases but hysteresis loss remains the same.
Last Answer : (A) Both eddy current and hysteresis losses decreases.
Description : In a period of inflation and price rise the supply of money remains (1) the same (2) increases (3) decreases (4) increases or decreases proportionately.
Last Answer : increases
Description : A fall in demand or rise in supply of a commodity– (1) Increases the price of that commodity (2) decreases the price of that commodity (3) neutralises the changes in the price (4) determines the price elasticity
Last Answer : decreases the price of that commodity
Description : Bit of a medical question. Is pressure in the chest (certainly heart-related) in keeping with a hiking trip (hilly terrain) in pants during a heat advisory while carrying the party's water supply?
Last Answer : It’s never a good sign. You clearly were pushing it to the max. I would follow up with a physician just to be prudent
Description : One function of parasympathetic nervous system is (a) contraction of hair muscles (b) stimulation of sweat glands (c) acceleration of heart beat (d) constriction of pupil.
Last Answer : (d) constriction of pupil.
Description : During high blood pressure, regulatinos of heart beat and circulation are controlled by
Last Answer : During high blood pressure, regulatinos of heart beat and circulation are controlled by A. ... centres D. Cardio-inhibitory and vasodilator centers
Description : Blood pressure and heart beat is regulated by `:-`
Last Answer : Blood pressure and heart beat is regulated by `:-` A. Insulin B. Adrenalin C. Optic nerve D. Growth hormone
Description : Hormone connected with increase rate if gluconeogenesis, blood pressure and heart beat is
Last Answer : Hormone connected with increase rate if gluconeogenesis, blood pressure and heart beat is A. Insulin B. Glucagon C. Adrenaline D. FSH
Description : What If An adult male's heart pumps about 2.8 million liters of blood a year if his heart beats 70 times a minute how much blood does his heart pump with each beat?
Last Answer : Need answer
Description : Pulse reading is done by doctors to find out (a) Temperature (b) Heart beat (c) Blood pressure (d) Respiration rate
Last Answer : Ans:(b)