Description : The property of shortening of cell in one direction is called a. conductivity b. Irritability c. contractility d. transmission
Last Answer : contractility
Description : The property of being able to react to a stimulus is called. a. conductivity b. Irritability c. contractility d. transmission
Last Answer : Irritability
Description : Which term is used to describe the ability of the heart to initiate an electrical impulse? a) Automaticity Automaticity is the ability of specialized electrical cells of the cardiac conduction ... the specialized electrical cells of the cardiac conduction system to respond to an electrical impulse.
Last Answer : a) Automaticity Automaticity is the ability of specialized electrical cells of the cardiac conduction system to initiate an electrical impulse.
Description : The action of quinidine differs from that of digitalis in (a) Decreasing irritability of cardiac muscle (b) Preventing passage of impulses to the ventricle (c) Increasing irritability of heart muscle (d) Reducing conductivity (e) None of the above
Last Answer : Ans: A
Description : A patient has been taking digoxin for several years for chronic heart failure is about to receive atropine for another condition. A common effect of digoxin (at therapeutic blood levels) that can ... Increased atrial contractility (c) Increased PR interval on the ECG (d) Headaches (e) Tachycardia
Last Answer : Ans: C
Description : Can fiber optic cable be used for transmitting light from a source to another point around the opaque object?
Last Answer : Fiber Optic is normally used for carrying data as light; I doubt it'd be useful for actually transmitting coherent light.
Description : What is a selective fading effect? A. A fading effect caused by small changes in beam heading at the receiving station. B. A fading effect caused by phase differences between radio wave ... station D. A fading effect caused by time differences between the receiving and transmitting stations.
Last Answer : B. A fading effect caused by phase differences between radio wave components of the same transmission, as experienced at the receiving station.
Description : For a space wave transmission, the radio horizon distance of a transmitting antenna with a height of 100 meters is approximately: A. 10 km B. 40 km C. 100 km D. 400 km
Last Answer : B. 40 km
Description : What is the major cause of selective fading? A. Small changes in the beam heading at the receiving station. B. Large changes in the height of the ionosphere, as experience at the ... Phase differences between radio wave components of the same transmission, as experienced at the receiving station.
Last Answer : D. Phase differences between radio wave components of the same transmission, as experienced at the receiving station.
Description : Refers to an effect of selective fading. A. A fading effect caused by phase differences between radio wave components of the same transmission, as experienced at the receiving station. B. A fading ... caused by large changes in the height of the ionosphere, as experienced at the receiving station.
Last Answer : A. A fading effect caused by phase differences between radio wave components of the same transmission, as experienced at the receiving station.
Description : Space diversity transmission means transmitting and receiving on _______. A. Two or more antennas operating on two different frequencies B. Two or more identical frequencies C. Two or more antennas operating on the same frequency D. Two or more different frequency
Last Answer : C. Two or more antennas operating on the same frequency
Description : Production of radiation by a radio transmitting station A. Monitoring B. Emission C. Radiation D. Transmission
Last Answer : B. Emission
Description : Space diversity transmission means transmitting and receiving on A. two or more antennas operating on two different frequencies B. two or more identical frequencies C. two or more different frequencies D. two or more antennas operating on the same frequencies
Last Answer : D. two or more antennas operating on the same frequencies
Description : ECE Board Exam March 1996 What is the transmission rate of a system for transmitting the output of a microcomputer to a line printer operating at a speed of 30 lines/minute? Assume that the line printer has 8 bits ... and prints out 80 characters/line. A. 800 bps B. 400 bps C. 320 bps D. 640 bps
Last Answer : C. 320 bps
Description : Consider a source computer(S) transmitting a file of size 106 bits to a destination computer (D)over a network of two routers (R1 and R2) and three links(L1, L2, and L3). L1connects S to R1; L2 connects R1 to ... file from S to D? a. 1005 ms b. 1010 ms c. 3000 ms d. 3003 ms Answer: Option(a)
Last Answer : a. 1005 ms
Description : The various properties of a transmitting antenna can apply equally to the same antenna when it is used as a receiving antenna. What term is used for this property?
Last Answer : Reciprocity of antennas.
Description : The property of interchangeability for the transmitting and receiving operations is known as ____
Last Answer : reciprocity
Description : ick out the undesirable property for a good refrigerant. (A) High thermal conductivity (B) Low freezing point (C) Large latent heat of vaporisation (D) High viscosity
Last Answer : (D) High viscosity
Description : The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C. (A) 768 (B) 908 (C) 1400 (D) 1539
Last Answer : Option A
Description : The property due to which the resistance of some metal or compound vanishes under certain conditions is (A) Semi conductivity. (B) Super conductivity. (C) Curie point. (D) Magnetostriction.
Last Answer : (B) Super conductivity.
Description : Type of synapse in which transmission of impulse across neuron is similar to conduction along a single axon
Last Answer : Type of synapse in which transmission of impulse across neuron is similar to conduction along a single axon
Description : Sources of impulse noise induced in communication channels. A. Erroneous digital coding bit caused by an error on a transmission facility B. Transients due to relay operation C. Crosstalk from dc signaling systems D. All of these
Last Answer : D. All of these
Description : What noise is a transient short-duration disturbance distributed essentially uniformly over the useful passband of a transmission system? A. Flicker noise B. Transit-time noise C. Shot noise D. Impulse noise
Last Answer : D. Impulse noise
Description : During the nerve impulse transmission, following ion or ions may play significant roles D A. Sodium B. Potassium C. Chloride D. All of these
Last Answer : All of these
Description : During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge? (a) First positive, then negative and continue ... and again back to positive (d) First negative, then positive and again back to negative.
Last Answer : (d) First negative, then positive and again back to negative.
Description : Tetrodotoxin blocks nerve impulse/junctional transmission by: A. Anticholinergic action B. Depleting acetylcholine C. Blocking Na+ channels D. Blocking Ca2+ channels
Last Answer : C. Blocking Na+ channels
Description : Is constant irritability a sign of depression?
Last Answer : It certainly sounds to my (untrained) ears that you could be depressed. Are you in a place where it's dark and gloomy in the winter? This could have been triggered by the seasons ( ... appointment is a great first step. The therapist can advise whether you should seek a psychiatrists's opinion.
Description : Has regular ingestion of Benadryl caused you irritability and depression?
Last Answer : Yeah, they can definitely have effects on you the next day if you are sensitive to drugs. I never take one during the day unless I have hives or a bad insect bite or something. And just ½ of one will knock ... to the 25 mg ones. If they're not gel capsules, you can just cut the 50 mg ones in half.
Description : Irritability?
Last Answer : DefinitionIrritability is an excessive response to stimuli.Alternative NamesInconsolabilityConsiderationsThe term "irritability" is used for infants and young children who, when ill, are especially ... be other symptoms.Causes of irritability include:Alcohol or drug withdrawal stateAutism spectru
Description : Excessive vitamin A in children produces (A) Irritability (B) Anorexia (C) Headache (D) All of these
Last Answer : Answer : D
Description : Continued intake of excessive amounts of vitamin A especially in children produces (A) Irritability (B) Anorexia (C) Headache (D) All of these
Description : Give an example of irritability.
Last Answer : If an earthworm is touched, it moves away from the place. Plants grow towards the light.
Description : What is irritability?
Last Answer : Irritability is the unique property of all living organisms to respond to changes in the environment.
Description : Which of the following pair is characterised by swollen lips, thick pigmented skin of hands and legs and irritability? (a) Thiamine – Beri-beri (b) Protein – Kwashiorkor (c) Nicotinamide – Pellagra (d) Iodine – Goitre
Last Answer : (c) Nicotinamide – Pellagra
Description : The nurse assesses subtle personality changes, restlessness, irritability, and confusion in a patient who has sustained a fracture. The nurse suspects a) fat embolism syndrome. Cerebral disturbances in ... severe, burning pain, local edema, hyperesthesia, muscle spasms, and vasomotor skin changes.
Last Answer : a) fat embolism syndrome. Cerebral disturbances in the patient with fat embolism syndrome include subtle personality changes, restlessness, irritability, and confusion.
Description : Premature ventricular contractions are considered precursors of ventricular tachycardia when they a) occur at a rate of more than six per minute. When PVCs occur at a rate of more than six per minute they ... paired with a normal beat. A PVC that is paired with a normal beat is termed bigeminy.
Last Answer : a) occur at a rate of more than six per minute. When PVCs occur at a rate of more than six per minute they indicate increasing ventricular irritability and are considered forerunners of ventricular tachycardia (VT).
Description : 56 years old woman has come to you with the complaints of hot flushes irritability, joint pains with lack of sleep. Most appropriate treatment would be: a) Hysterectomy. b) ... Combined oestrogen, progesterone preparations. d) Phytooestrogens. e) Selective estrogen receptor modulators (SERMS).
Last Answer : c) Combined oestrogen, progesterone preparations.
Description : Which one is the matching pair characterized by pigmented skin of hands, legs and irritability (C.B.S.E.93) (a) Iodine-Goitre (b) Nicotinamide-Pellagra (c) Thiamine-Beri-beri (d) Protein-Kwashiorkor
Last Answer : (b) Nicotinamide-Pellagra
Description : If you are unable to contact a station on a designated frequency you should: a. Try another appropriate frequency b. Start transmitting blind c. Land at the nearest suitable aerodrome d. Transmit words twice
Last Answer : a. Try another appropriate frequency
Description : Which of the following statement(s) is/are true concerning the diagnosis and management of hypovolemic shock? a. A fall in hematocrit or hemoglobin always accompanies hemorrhagic shock b. The ... d. Complications are less frequent after treatment of hemorrhagic shock than septic or traumatic shock
Last Answer : Answer: d Hypovolemic shock is readily diagnosed when there is an obvious source of volume loss and overt signs of hemodynamic instability and increased adrenergic output are present. ... response systems and consequences of their disseminated, indiscriminate cellular injury can be quite profound
Description : When used as an antiarrhythmic drug, Lidocaine typically (a) Increases action potential duration (b) Increases contractility (c) Increses PR interval (d) Reduces abnormal automaticity (e) Reduces resting potential
Last Answer : Ans: D
Description : Which of the following has been shown to prolong life in patient with chronic congestive failure but has a negative inotropic effect on cardiac contractility? (a) Carvedilol (b) Digitoxin (c) Digoxin (d) Dobutamine (e) Enalapril
Description : Caffeine is more powerful than theophylline in exerting the following action (a) Bronchodilatation (b) Cardiac stimulation (c) Diuresis (d) Augmentation of skeletal muscle contractility
Description : Therapeutic dose of digoxin in a normal individual has the following effects, except (a) Increase in the speed of myocardial contractility (b) No significant change in cardiac output (c) Relaxation of peripheral vascular bed (d) Increase in the force of myocardial contractility
Description : Which one of the following drugs predictably prolongs the PR interval and increases cardiac contractility? (a) Digoxin (b) Lidocaine (c) Propranolol (d) Quinidine (e) Verapamil
Description : Which of the following terms describes the amount of blood ejected per heartbeat? a) Stroke volume Stroke volume is determined by preload, afterload, and contractility. b) Cardiac output Cardiac output ... must overcome to eject blood during systole and is one of the determinants of stroke volume.
Last Answer : a) Stroke volume Stroke volume is determined by preload, afterload, and contractility.