Description : Generation of action potential in stage of
Last Answer : Generation of action potential in stage of
Description : What is the role of Na+ in the generation of action potential? -Biology
Last Answer : answer:
Description : Generation of action potential concern with which layer of retina
Last Answer : Generation of action potential concern with which layer of retina
Description : When a stimulus is applied on axonal membrane then generation of action potential is due to
Last Answer : When a stimulus is applied on axonal membrane then generation of action potential is due to
Description : Dantrolene sodium reduces skeletal muscle tone by: A. Reducing acetylcholine release from motor nerve endings B. Suppressing spinal polysynaptic reflexes C. Inhibiting the generation of muscle action potential D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre
Last Answer : D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre
Description : The second generation H1 antihistaminics have the following advantages except: A. Lack of anticholinergic side effects B. Lack of alcohol potentiating potential C. Recipient can drive motor vehicles D. Good antipruritic action
Last Answer : D. Good antipruritic action
Description : During which stage of new product development does the firm consider profitability ? 1. Idea Generation 2. Testing 3. Business Analysis 4. Product Development 5. Compatibility research
Last Answer : Business Analysis
Description : ) During which stage of new product development does the firm consider profitability? A)Idea generation B)Testing C)Business analysis D)Product development E)Compatibility research
Last Answer : C)Business analysis
Description : Fees paid by advertisers to online company that refer qualified potential customers or provide consumer information where the consumer opts in to being contacted by a marketer. This is referred to as: 1. Lead generation 2. Search 3. Rich media 4. Social media marketing
Last Answer : Lead generation
Description : The power generation potential in mini hydro power plant for a water flow of 3 m3 /sec with a head of 14 meters and with a system efficiency of 55% is a) 226.6 kW b) 76.4 kW c) 23.1 kW d) none of the above
Last Answer : a) 226.6 kW
Description : Once the project is approved and moves into the planning stage, what happens in the next phase of the project life cycle? Select one: a. Agreements for risk sharing need to be concluded. ... activities. e. A risk response plan can be used to identify increasing levels of detailed risk analysis
Last Answer : d. Risks are identified with each major group of activities.
Description : Pick out the wrong statement. (A) Swenson-Walker crystalliser is a batch crystalliser (B) Super saturation of the solution is the driving potential for a crystal growth (C) The ... a solution is called mother liquor (D) The first stage of crystal formation is called nucleation
Last Answer : (A) Swenson-Walker crystalliser is a batch crystalliser
Description : Stage at which seed achieves it maximum dry weight and has maximum germination potential and vigor is: a. Physiological maturity b. Edible maturity c. Harvest maturity d. None of above
Last Answer : Physiological maturity
Description : Idea of new product is tested in potential consumers to determine consumer acceptance at _________ stage. A. Concept. B. Product development. C. Test marketing. D. Commercialization.
Last Answer : C. Test marketing.
Description : In which stage of the conflict process does conflict become visible? (a) potential opposition or incompatibility (Stage I) ; (b) cognition and personalization (Stage II) ; (c) intentions (Stage III) ; (d) behavior (Stage IV)
Last Answer : ; (d) behavior (Stage IV)
Description : In which stage are conflict issues defined? (a) Stage I, Potential opposition ; (b) Stage II, Cognition and personalization (c) Stage III, Intuitions ; (d) Stage IV, Behavior
Last Answer : (b) Stage II, Cognition and personalization
Description : The presence of conditions that create opportunities for conflict to arise is the _____ stage of the conflict process. (a) potential opposition ; (b) cognition ; (c) vision ; (d) intentions
Last Answer : (a) potential opposition ;
Description : Which of the following is not a stage in the conflict process? (a) potential opposition ; (b) cognition ; (c) vision ; (d) intentions
Last Answer : (c) vision ;
Description : The first stage of the conflict process is called: (a) cognition and personalization. ; (b) behavior. ; (c) potential opposition or incompatibility. (d) outcomes.
Last Answer : (c) potential opposition or incompatibility.
Description : As Kathy works on the prototype of a new action -orientated computer game module, she is engaging in which phase of the new product development process? A)idea generation B)commercialisation C)test marketing D)screening E)product development
Last Answer : E)product development
Description : Anthelmintic action of piperazine is due to: A. Interference with ATP generation in the worm B. Blockade of glucose uptake by the worm C. Hyperpolarization of nematode muscle by GABA agonistic action D. Depolarization of nematode muscle by activating nicotinic receptors
Last Answer : C. Hyperpolarization of nematode muscle by GABA agonistic action
Description : The following is not a feature of second generation antihistaminics: A. Nonimpairment of psychomotor performance B. High antimotion sickness activity C. Absence of anticholinergic/anti5 -HTa ctions D. Additional mechanisms of antiallergic action
Last Answer : B. High antimotion sickness activity
Description : When Clorox introduced bleach in a no-drip bottle, the firm was taking action consistent with its product being in the __________ stage of product life cycle. A)introduction B)growth C)maturity D)decline
Last Answer : C)maturity
Description : The stage in problem solving that includes the preparation of suitable hypothesis for investigation. (a) Survey (b) Planning for action (c) Problem description (d) Discussion
Last Answer : (b) Planning for action
Description : Given below are three basic rules: I. Squash and Stretch II. Slow-in and Slow-out III. To stage the action properly These rules are applied in case of (A) Rendering (B) Morphing (C) Animation (D) All the above
Last Answer : (C) Animation
Description : What is the difference between resting potential and action potential? -Biology
Description : In which the following has the ability to generate action potential without any external stimuli ?
Last Answer : In which the following has the ability to generate action potential without any external stimuli ? A. Sino ... C. Purkinje fibres D. All of the above
Description : a. SAN generates as action potential which stimulates atrial systole. b. ECG is an electrical representation of the graphical activity of the heart du
Last Answer : a. SAN generates as action potential which stimulates atrial systole. b. ECG is an electrical ... one of the main symptoms of this disease.
Description : What is the difference between resting potential and action potential?
Last Answer : Feel Free to Answer
Description : Which of the following is an orally active drug that blocks sodium channels and decreases action potential duration? (a) Adenosine (b) Amiodarone (c) Disopyramide (d) Esmolol (e) Mexiletine
Last Answer : Ans: E
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 : Following statement is true about lidocaine (a) Reduce the slope of Phase 4 (b) Threshold excitability is not altered (c) Action potential is not affected (d) All of the above
Last Answer : Ans: A
Description : In cardiac cells, adenosine (a) Causes shortening of action potential duration (b) Depolarization (c) Increase in normal automaticity (d) All of the above
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
Description : During Phase 2 of action potential in cardiac cell, depolarizing current through calcium channels is balanced by (a) Delayed rectifier potassium current (b) outward chloride channel (c) Both (a) and (b) (d) None of the above
Description : Regarding verapamil, which one of the following statements is false? (a) Angina pectoris is an important indication for the use of verapamil (b) Contraindicated in the asthmatic patient (c) ... phase of the action potential in AV nodal cells (e) Used in management of supraventricular tachycardias
Last Answer : Ans: B
Description : The most important reason for highly restricted use of penicillin G injections in present day therapeutics is its (a) Narrow spectrum of activity (b) Potential to cause hypersensitivity reaction (c) Short duration of action (d) Neurotoxicity
Description : Consider the following statements: 1. Propagation of a nerve impulse in a myelinated nerve fibre is different from that of unmyelinated fibre. 2. The impulse actually travels by leaping through the nodes of Ranvier in an unmyelinated fibre 3. ... incorrect? (a) 1, 2 (b) 1, 3, 4 (c) 2 only (d) 2, 3
Last Answer : Ans:(d)
Description : Consider the following statements: 1. When a nerve fibre is stimulated, a profound change is produced in the electrical properties of surface membrane and in steady potential. 2. Upon excitation, the resting potentialis suddenly changed. 3. It is due ... 1, 2, 3 (b) 2, 3 (c) 1, 2, 3, 4 (d) 1, 2, 4
Description : A fountain pen works on the principle of (1) Flow of liquids from higher to lower potential (2) Capillary action (3) Bernoulli's principle (4) Viscosity of liquids
Last Answer : (2) Capillary action Explanation: A fountain pen is a nib pen that, unlike its predecessor the dip pen, contains an internal reservoir of water-based liquid ink. The pen draws ink from the ... to flow in narrow spaces without the assistance of, and in opposition to external forces like gravity.
Description : The following are true about an action potential in a nerve fibre: a. it occurs when its membrane potential is hyperpolarized b. it is associated with a transient increase in membrane ... permeability to potassium d. it has an amplitude which varies directly to the strength of stimulus
Last Answer : there is a decreased in membrane permeability to potassium
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 : In the neurone: a. the magnitude of the action potential is dependent on the strength of the stimulus b. impulses can travel in both direction c. depolarization is accompanied by increased ... potassium ions d. during depolarization, the potential of the neurone changes from -70mV to +40mV
Last Answer : during depolarization, the potential of the neurone changes from -70mV to +40mV
Description : The sequence of events in muscle contraction a. action potential depolarise the T-tubules b. depolarisation of T-tubules release calcium from sarcoplasmic reticulum c. calcium binds to the troponin-tropomycin complex d. all above
Last Answer : all above
Description : The action potential of a neuron a. is initiated by efflux of Na+ b. is terminated by efflux of K+ c. declines in amplitude as it moves along the axon d. results in a transient reversal of the ... the cell membrane e. is not associated with any net movement of Na+ or K+ across the cell membrane
Last Answer : is terminated by efflux of K+
Description : Action potential in nerve fibers differ in a. magnitude b. duration c. both d. none of them
Last Answer : both