Generation and Conduction of Nerve Impulse
BIOXI21: NEURAL CONTROL AND COORDINATION

340519 Read the following given statements regarding \(\mathrm{Na}^{+}-\mathrm{K}^{+}\)and identify the correct option
I. Expels \(3 \mathrm{Na}^{+}\)for every \(2 \mathrm{~K}^{+}\)ions imported
II. Maintains resting potential
III. Works against a concentration gradient

1 Statement I is correct
2 Statement II and III are correct
3 Statement II is correct
4 Statement I, II and III are correct.
BIOXI21: NEURAL CONTROL AND COORDINATION

340520 The resting axonal membrane of a neuron:

1 Is not polarized
2 Is more permeable to sodium ions than to potassium ions
3 Is more permeable to potassium ions than to sodium ions
4 Cannot be excited by a stimulus
BIOXI21: NEURAL CONTROL AND COORDINATION

340521 Unidirectional transmission of the nerve impulse is maintained by

1 Interneurons
2 Myelin sheath
3 Synapse
4 Membrane polarity
BIOXI21: NEURAL CONTROL AND COORDINATION

340522 Depolarization occurs due to

1 Rapid influx of \(\mathrm{Na}^{+}\)
2 Rapid eflux of \(\mathrm{Na}^{+}\)
3 Slow influx of \(\mathrm{Na}^{+}\)
4 Slow eflux of \(\mathrm{Na}^{+}\)
BIOXI21: NEURAL CONTROL AND COORDINATION

340519 Read the following given statements regarding \(\mathrm{Na}^{+}-\mathrm{K}^{+}\)and identify the correct option
I. Expels \(3 \mathrm{Na}^{+}\)for every \(2 \mathrm{~K}^{+}\)ions imported
II. Maintains resting potential
III. Works against a concentration gradient

1 Statement I is correct
2 Statement II and III are correct
3 Statement II is correct
4 Statement I, II and III are correct.
BIOXI21: NEURAL CONTROL AND COORDINATION

340520 The resting axonal membrane of a neuron:

1 Is not polarized
2 Is more permeable to sodium ions than to potassium ions
3 Is more permeable to potassium ions than to sodium ions
4 Cannot be excited by a stimulus
BIOXI21: NEURAL CONTROL AND COORDINATION

340521 Unidirectional transmission of the nerve impulse is maintained by

1 Interneurons
2 Myelin sheath
3 Synapse
4 Membrane polarity
BIOXI21: NEURAL CONTROL AND COORDINATION

340522 Depolarization occurs due to

1 Rapid influx of \(\mathrm{Na}^{+}\)
2 Rapid eflux of \(\mathrm{Na}^{+}\)
3 Slow influx of \(\mathrm{Na}^{+}\)
4 Slow eflux of \(\mathrm{Na}^{+}\)
BIOXI21: NEURAL CONTROL AND COORDINATION

340519 Read the following given statements regarding \(\mathrm{Na}^{+}-\mathrm{K}^{+}\)and identify the correct option
I. Expels \(3 \mathrm{Na}^{+}\)for every \(2 \mathrm{~K}^{+}\)ions imported
II. Maintains resting potential
III. Works against a concentration gradient

1 Statement I is correct
2 Statement II and III are correct
3 Statement II is correct
4 Statement I, II and III are correct.
BIOXI21: NEURAL CONTROL AND COORDINATION

340520 The resting axonal membrane of a neuron:

1 Is not polarized
2 Is more permeable to sodium ions than to potassium ions
3 Is more permeable to potassium ions than to sodium ions
4 Cannot be excited by a stimulus
BIOXI21: NEURAL CONTROL AND COORDINATION

340521 Unidirectional transmission of the nerve impulse is maintained by

1 Interneurons
2 Myelin sheath
3 Synapse
4 Membrane polarity
BIOXI21: NEURAL CONTROL AND COORDINATION

340522 Depolarization occurs due to

1 Rapid influx of \(\mathrm{Na}^{+}\)
2 Rapid eflux of \(\mathrm{Na}^{+}\)
3 Slow influx of \(\mathrm{Na}^{+}\)
4 Slow eflux of \(\mathrm{Na}^{+}\)
BIOXI21: NEURAL CONTROL AND COORDINATION

340519 Read the following given statements regarding \(\mathrm{Na}^{+}-\mathrm{K}^{+}\)and identify the correct option
I. Expels \(3 \mathrm{Na}^{+}\)for every \(2 \mathrm{~K}^{+}\)ions imported
II. Maintains resting potential
III. Works against a concentration gradient

1 Statement I is correct
2 Statement II and III are correct
3 Statement II is correct
4 Statement I, II and III are correct.
BIOXI21: NEURAL CONTROL AND COORDINATION

340520 The resting axonal membrane of a neuron:

1 Is not polarized
2 Is more permeable to sodium ions than to potassium ions
3 Is more permeable to potassium ions than to sodium ions
4 Cannot be excited by a stimulus
BIOXI21: NEURAL CONTROL AND COORDINATION

340521 Unidirectional transmission of the nerve impulse is maintained by

1 Interneurons
2 Myelin sheath
3 Synapse
4 Membrane polarity
BIOXI21: NEURAL CONTROL AND COORDINATION

340522 Depolarization occurs due to

1 Rapid influx of \(\mathrm{Na}^{+}\)
2 Rapid eflux of \(\mathrm{Na}^{+}\)
3 Slow influx of \(\mathrm{Na}^{+}\)
4 Slow eflux of \(\mathrm{Na}^{+}\)