Type of synapse in which transmission of impulse across neuron is similar to conduction along a single axon

Type of synapse in which transmission of impulse across neuron is similar to conduction along a single axon
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Type of synapse in which transmission of impulse across neuron is similar to conduction along a single axon
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Type of synapse in which transmission of impulse across neuron is similar to conduction along a single axon

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

The junction between the axon of one neuron and the dendrite of the next is called (a) constant bridge (b) junction point (c) a joint (d) a synapse.

Description : The junction between the axon of one neuron and the dendrite of the next is called (a) constant bridge (b) junction point (c) a joint (d) a synapse.

Last Answer : d) a synapse.

Which of the following are NOT part of a neuron? a) synapse b) axon c) Nissl bodies d) dendrite

Description : Which of the following are NOT part of a neuron? a) synapse b) axon c) Nissl bodies d) dendrite

Last Answer : ANSWER: A -- SYNAPSE

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 concentration gradient of Na+ across the cell membrane e. is not associated with any net movement of Na+ or K+ across the cell membrane

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+

When the electric impulse travels along the axon and reaches the other end called the synaptic terminal, this impulse triggers the release of – (1) Vesicles (2) Cleft (3) Mitochondria (4) All of the above

Description : When the electric impulse travels along the axon and reaches the other end called the synaptic terminal, this impulse triggers the release of – (1) Vesicles (2) Cleft (3) Mitochondria (4) All of the above

Last Answer : (1) Vesicles Explanation: The electrical impulses stimulate the release of vesicles. These store various neurotransmitters that are released at the synapse. Vesicles are essential for propagating nerve impulses between neurons and are constantly recreated by the cell.

Label te parts in the given diagram of axon terminal and synapse

Description : Label te parts in the given diagram of axon terminal and synapse

Last Answer : Label te parts in the given diagram of axon terminal and synapse

Label te parts in the given diagram of axon terminal and synapse

Description : Label te parts in the given diagram of axon terminal and synapse

Last Answer : Label te parts in the given diagram of axon terminal and synapse

Each preganglionic axon braches and can therefore synapse, with as many as a. 4 neurons b. 6 neurons c. 8 neurons d. 10 neurons

Description : Each preganglionic axon braches and can therefore synapse, with as many as a. 4 neurons b. 6 neurons c. 8 neurons d. 10 neurons

Last Answer : 10 neurons

The figure shows an axon terminal and synapse. Select the option giving correct identification of labels A-D. A C D B (a) A-Action potential, C-Neurotransmitter (b) B-Neurotransmitter, D- Receptor capsules (c) C-Receptor, D-Synaptic vesicles (d) A-Axon terminal, B- Serotonin complex

Description : The figure shows an axon terminal and synapse. Select the option giving correct identification of labels A-D. A C D B (a) A-Action potential, C-Neurotransmitter (b) B-Neurotransmitter, D- Receptor capsules (c) C-Receptor, D-Synaptic vesicles (d) A-Axon terminal, B- Serotonin complex

Last Answer : c) C-Receptor, D-Synaptic vesicles

A diagram showing axon terminal and synapse is given. Identify correctly at least two of A - D. (a) A - Neurotransmitter, B - Synaptic cleft (b) C - Neurotransmitter, D - Ca++ (c) A - Receptor, C - Synaptic vesicles (d) B - Synaptic connection, D - K+

Description : A diagram showing axon terminal and synapse is given. Identify correctly at least two of A - D. (a) A - Neurotransmitter, B - Synaptic cleft (b) C - Neurotransmitter, D - Ca++ (c) A - Receptor, C - Synaptic vesicles (d) B - Synaptic connection, D - K+

Last Answer : (c) A - Receptor, C - Synaptic vesicles

The synaptic knobs represent the terminal endings of (a) the neuron (b) the dendron (c) the axon (d) the telodendria

Description : The synaptic knobs represent the terminal endings of (a) the neuron (b) the dendron (c) the axon (d) the telodendria

Last Answer : Ans:(d)

The filtration unit of kidney is - (1) axon (2) nephron (3) neuron (4) yellow fiber

Description : The filtration unit of kidney is - (1) axon (2) nephron (3) neuron (4) yellow fiber

Last Answer : (2) nephron Explanation: Nephron is the basic structural and functional unit of the kidney. Its chief function is to regulate the concentration of water and soluble substances like sodium salts by filtering the blood, reabsorbing what is needed and excreting the rest as urine.

(4) Fundamental unit of nervous system Explanation: A neuron is a cell that carries electrical impulses. Neurons are the basic units of the nervous system and its most important part is the brain. Every neuron is made of a cell body (also called a soma), dendrites and an axon.

Description : (4) Fundamental unit of nervous system Explanation: A neuron is a cell that carries electrical impulses. Neurons are the basic units of the nervous system and its most important part is the brain. Every neuron is made of a cell body (also called a soma), dendrites and an axon.

Last Answer : Water cycle refers to - (1) an integrated attempt to recycle water in relatively arid regions (2) constant movement of water from ocean to land and back to ocean once again (3) ... management of water in areas excessively plagued with water-logging (4) water distribution in relatively dry area

The fundamental structural and functional unit of nerves system is a. axon b. dendrite c. cell body d. neuron

Description : The fundamental structural and functional unit of nerves system is a. axon b. dendrite c. cell body d. neuron

Last Answer : neuron

The filtration unit of kidney is (1) axon (2) nephron (3) neuron (4) yellow fiber

Description : The filtration unit of kidney is (1) axon (2) nephron (3) neuron (4) yellow fiber

Last Answer : nephron

When an impulse reach the end of the axon the axon releases?

Description : When an impulse reach the end of the axon the axon releases?

Last Answer : Neurotransmitters to the synapse and the neurotransmitters bindwith the receptors releasing the second messengers.

Differences between the M cells and P cells include: a. M cells have larger cell bodies than P cells b. M cells have slower conduction rate than P cells c. M cells have larger receptive field than P cells d. M cells do not synapse in lateral geniculate body whereas P cells do

Description : Differences between the M cells and P cells include: a. M cells have larger cell bodies than P cells b. M cells have slower conduction rate than P cells c. M cells have larger receptive field than P cells d. M cells do not synapse in lateral geniculate body whereas P cells do

Last Answer : M cells have larger receptive field than P cells

The conduction velocity of the nerve fibres is increased by: a. decreased temperature b. increased concentration of the external sodium ions e. increased axon diameter d. myelination

Description : The conduction velocity of the nerve fibres is increased by: a. decreased temperature b. increased concentration of the external sodium ions e. increased axon diameter d. myelination

Last Answer : myelination

A squid axon is placed on stimulating electrodes, and an intracellular electrode is inserted and connected through a cathode-ray oscilloscope (CRO) to an indifferent electrode. When the axon is stimulated, the latent period is 1.5 ms. The intracellular electrode is 6 cm form the anode of the simulator and 4.5 cm from the cathode of the simulator. What is the conduction velocity of the axon. a. 15 m/s b. 30 m/s c. 40 m/s d. 67.5 m/s e. This cannot be determined from the information given

Description : A squid axon is placed on stimulating electrodes, and an intracellular electrode is inserted and connected through a cathode-ray oscilloscope (CRO) to an indifferent electrode. When the axon is stimulated, the latent ... . 40 m/s d. 67.5 m/s e. This cannot be determined from the information given

Last Answer : 30 m/s

What is a change in the environment that initiates the transmission of an electrochemical change along a neuron?

Description : What is a change in the environment that initiates the transmission of an electrochemical change along a neuron?

Last Answer : What is the answer ?

Write a and b in the given flow chart of neuron through which information travels as an electrical impulse.Dendrite → a →b → End point of Neuron -Science

Description : Write a and b in the given flow chart of neuron through which information travels as an electrical impulse.Dendrite → a →b → End point of Neuron -Science

Last Answer : a. Axon b. Cell body

When a neuron is in resting state i.e., not conducting any impulse, the axonal membrane is (a) comparatively more permeable to Na+ ions and nearly impermeable to K+ ions (b) equally permeable to both Na+ and K+ ions (c) impermeable to both Na+ and K+ ions (d) comparatively more permeable to K+ ions and nearly impermeable to Na+ ions.

Description : When a neuron is in resting state i.e., not conducting any impulse, the axonal membrane is (a) comparatively more permeable to Na+ ions and nearly impermeable to K+ ions (b) equally permeable to both ... + and K+ ions (d) comparatively more permeable to K+ ions and nearly impermeable to Na+ ions.

Last Answer : (d) comparatively more permeable to K+ ions and nearly impermeable to Na+ ions.

What is the difference between impulse conduction in a myelinated nerve fibre and unmyelinated nerve fibre? -Biology

Description : What is the difference between impulse conduction in a myelinated nerve fibre and unmyelinated nerve fibre? -Biology

Last Answer : answer:

The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is

Description : The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is

Last Answer : The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is

How does body temperature affect the conduction speed of an electrical impulse?

Description : How does body temperature affect the conduction speed of an electrical impulse?

Last Answer : What is the answer ?

Which of the following terms is used to describe a tachycardia characterized by abrupt onset, abrupt cessation, and a QRS of normal duration? a) Paroxysmal atrial tachycardia PAT is often caused by a conduction problem in the AV node and is now called AV nodal reentry tachycardia. b) Sinus tachycardia Sinus tachycardia occurs when the sinus node regularly creates an impulse at a faster-than-normal rate. c) Atrial flutter Atrial flutter occurs in the atrium and creates an atrial rate between 250-400 times per minute. d) Atrial fibrillation Atrial fibrillation causes a rapid, disorganized, and uncoordinated twitching of atrial musculature.

Description : Which of the following terms is used to describe a tachycardia characterized by abrupt onset, abrupt cessation, and a QRS of normal duration? a) Paroxysmal atrial tachycardia PAT ... fibrillation Atrial fibrillation causes a rapid, disorganized, and uncoordinated twitching of atrial musculature.

Last Answer : a) Paroxysmal atrial tachycardia PAT is often caused by a conduction problem in the AV node and is now called AV nodal reentry tachycardia.

Which of the following ECG waveforms characterizes conduction of an electrical impulse through the left ventricle? a) QRS complex The QRS complex represents ventricular depolarization b) P wave The P wave is an ECG characteristic reflecting conduction of an electrical impulse through the atria. c) PR interval The PR interval is a component of an ECG tracing reflecting conduction of an electrical impulse through the AV node. d) QT interval The QT interval is an ECG characteristic reflecting the time from ventricular depolarization to repolarization.

Description : Which of the following ECG waveforms characterizes conduction of an electrical impulse through the left ventricle? a) QRS complex The QRS complex represents ventricular depolarization b) P ... QT interval is an ECG characteristic reflecting the time from ventricular depolarization to repolarization.

Last Answer : a) QRS complex The QRS complex represents ventricular depolarization

Which of the following ECG characteristics is usually seen when a patient’s serum potassium level is low? a) U wave The U wave is an ECG waveform characteristic that may reflect Purkinje fiber repolarization. It is usually seen when a patient’s serum potassium level is low. b) T wave The T wave is an ECG characteristic reflecting repolarization of the ventricles. It may become tall or “peaked” if a patient’s serum potassium level is high. c) P wave The P wave is an ECG characteristic reflecting conduction of an electrical impulse through the atria. d) QT interval The QT interval is an ECG characteristic reflecting the time from ventricular depolarization to repolarization.

Description : Which of the following ECG characteristics is usually seen when a patient's serum potassium level is low? a) U wave The U wave is an ECG waveform characteristic that may ... interval The QT interval is an ECG characteristic reflecting the time from ventricular depolarization to repolarization.

Last Answer : a) U wave The U wave is an ECG waveform characteristic that may reflect Purkinje fiber repolarization. It is usually seen when a patient’s serum potassium level is low.

The principal action common to all class I antiarrhythmic drugs is: A. Na+ channel blockade B. K+ channel opening C. Depression of impulse conduction D. Prolongation of effective refractory period

Description : The principal action common to all class I antiarrhythmic drugs is: A. Na+ channel blockade B. K+ channel opening C. Depression of impulse conduction D. Prolongation of effective refractory period

Last Answer : A. Na+ channel blockade

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 to be negative (b) First negative, then positive and continue to be positive (c) First positive, then negative and again back to positive (d) First negative, then positive and again back to negative.

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.

When the potential difference across a membrane of a neuron equals the threshold, what results? a) movement of the membrane b) action potential c) relaxation d) contraction

Description : When the potential difference across a membrane of a neuron equals the threshold, what results? a) movement of the membrane b) action potential c) relaxation d) contraction

Last Answer : ANSWER: B -- ACTION POTENTIAL 

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro- hormonal control system? (a) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla. (b) Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse. (c) Hypothalamus activates the parasympathetic division of brain. (d) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal cortex.

Description : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro- hormonal control system? ... brain. (d) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal cortex.

Last Answer : (a) Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla.

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system ? (1) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal cortex (2) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal medulla (3) Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse (4) Hypothalamus activates the parasympathetic division of brain

Description : A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system ? (1 ... across the cleft and transmit a nerve impulse (4) Hypothalamus activates the parasympathetic division of brain

Last Answer : (2) Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal medulla

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

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

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

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

During the nerve impulse transmission, following ion or ions may play significant roles D A. Sodium B. Potassium C. Chloride D. All of these

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

During the nerve impulse transmission, following ion or ions may play significant roles D A. Sodium B. Potassium C. Chloride D. All of these

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

The property of transmitting an impulse from one point in the cell to another. a. conductivity b. Irritability c. contractility d. transmission

Description : The property of transmitting an impulse from one point in the cell to another. a. conductivity b. Irritability c. contractility d. transmission

Last Answer : conductivity

Tetrodotoxin blocks nerve impulse/junctional transmission by: A. Anticholinergic action B. Depleting acetylcholine C. Blocking Na+ channels D. Blocking Ca2+ channels

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

Tetrodotoxin blocks nerve impulse/junctional transmission by: A. Anticholinergic action B. Depleting acetylcholine C. Blocking Na+ channels D. Blocking Ca2+ channels

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

Conduction in which type of semiconductor material is similar to conduction in a copper wire?

Description : Conduction in which type of semiconductor material is similar to conduction in a copper wire?

Last Answer : N-type material.

Depolarization of axolemma during nerve conduction takes place because of (a) equal amount of Na+ and K+ move out across axolemma (b) Na+ move inside and K+ move more outside (c) more Na+ outside (d) none of these.

Description : Depolarization of axolemma during nerve conduction takes place because of (a) equal amount of Na+ and K+ move out across axolemma (b) Na+ move inside and K+ move more outside (c) more Na+ outside (d) none of these.

Last Answer : (b) Na+ move inside and K+ move more outside

What is synapse? -Biology

Description : What is synapse? -Biology

Last Answer : answer:

What is the function of synapse ?

Description : What is the function of synapse ?

Last Answer : answer : These act as centers for transmitting information from one neuron to another. 3 These Stimulation Pick By Central In the nervous system Transmission By 3 These Neurotransmitters Objects Dripping ... ) to assist in data collection. 3 Acting as the physical structure of memory power.

What is Synapse ?

Description : What is Synapse ?

Last Answer : The functional junction of two neurons that transmits chemical or electronic information from one neuron to another neuron is called synapse.

What is Synapse ?

Description : What is Synapse ?

Last Answer : : The junction of two neurons or the junction of a neuron and an effector (such as a muscle or gland) is called a synapse.

Transmitter substance released at the synapse is

Description : Transmitter substance released at the synapse is

Last Answer : Transmitter substance released at the synapse is A. Secretin B. Cholecystokinin C. Cholesterol D. Acetylcholin

What happens at the synapse between two neurons?

Description : What happens at the synapse between two neurons?

Last Answer : What happens at the synapse between two neurons?