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MHT-CET Neural Control and Coordination — practice questions — page 2

Explore 90 free Neural Control and Coordination questions in MHT-CET Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Neural Control and Coordination questions and exercises with answers

Showing questions 31–60 of 90.

Why does the cerebellum have a very convoluted surface?Read the answer and worked solution →Which brain region receives and integrates visual, tactile and auditory inputs?Read the answer and worked solution →At the axon hillock of a typical neuron, the resting potential is aroundRead the answer and worked solution →Under the all-or-none principle, a stronger stimulus above threshold gives an action potential that isRead the answer and worked solution →Stimulus intensity in a neuron is reflected mainly by the action potential'sRead the answer and worked solution →The absolute refractory period arises because sodium channels areRead the answer and worked solution →During the relative refractory period, a new action potentialRead the answer and worked solution →The one-way travel of an action potential along an axon is largely due to theRead the answer and worked solution →The jumping of an action potential from node to node is calledRead the answer and worked solution →In the central nervous system, myelin is produced byRead the answer and worked solution →Which disease breaks down myelin and impairs coordinated movement?Read the answer and worked solution →The mean conduction velocity of action potentials ranges from aboutRead the answer and worked solution →Who accurately modelled the voltages and currents of the action potential in 1952?Read the answer and worked solution →Which cells give a classic example of pacemaker potentials?Read the answer and worked solution →At a neuromuscular junction, the neurotransmitter released isRead the answer and worked solution →Acetylcholine at a neuromuscular junction is hydrolysed byRead the answer and worked solution →Neurotransmitter release follows influx of which ion into the axon terminal?Read the answer and worked solution →In electrical synapses, ionic currents pass between cells through pores calledRead the answer and worked solution →The sympathetic division emerges from which spinal cord regions?Read the answer and worked solution →The outflow of the parasympathetic division is described asRead the answer and worked solution →The longest nerve of the autonomic nervous system is theRead the answer and worked solution →Which effect on the eye is produced by the sympathetic system?Read the answer and worked solution →Stimulation of salivary gland secretion is a function of theRead the answer and worked solution →What effect does the sympathetic system have on peristalsis?Read the answer and worked solution →Circulating epinephrine during sympathetic activity makes the bronchiolesRead the answer and worked solution →The preganglionic neurotransmitter of both sympathetic and parasympathetic divisions isRead the answer and worked solution →At most effector organs, sympathetic postganglionic neurons releaseRead the answer and worked solution →Which part of the nervous system is called the second brain of the body?Read the answer and worked solution →Which brain structure acts as an integrator for autonomic functions?Read the answer and worked solution →The rest and digest response is promoted by theRead the answer and worked solution →

Worked practice questions

Why does the cerebellum have a very convoluted surface?

  1. To link the two hemispheres
  2. To store cerebrospinal fluid
  3. To protect the brain stem
  4. To give space for more neurons
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Correct answer: D. To give space for more neurons

Its deep folding provides extra surface to hold many more neurons.

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Which brain region receives and integrates visual, tactile and auditory inputs?

  1. Spinal cord
  2. Midbrain
  3. Pons varolii
  4. Medulla
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Correct answer: B. Midbrain

The midbrain integrates incoming visual, tactile and auditory information.

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At the axon hillock of a typical neuron, the resting potential is around

  1. +40 mV
  2. -70 mV
  3. 0 mV
  4. -90 mV
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Correct answer: B. -70 mV

A typical neuron rests near minus 70 millivolts, inside negative to outside.

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