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MHT-CET Neural Control and Coordination — practice questions — page 3

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 61–90 of 90.

Stimulation of the adrenal medulla releases into the bloodstreamRead the answer and worked solution →During sympathetic activity, blood flow to the gut and skin isRead the answer and worked solution →Which highly specialised cells detect, receive and transmit stimuli in animals?Read the answer and worked solution →How is the neural system of Hydra organised?Read the answer and worked solution →In which animals is a brain present along with a number of ganglia?Read the answer and worked solution →Which two parts make up the human central neural system?Read the answer and worked solution →The peripheral neural system is made up of which structures?Read the answer and worked solution →The autonomic neural system sends impulses from the CNS to which organs?Read the answer and worked solution →Each branch of an axon ends in which bulb-like structure?Read the answer and worked solution →Which cells form the myelin sheath around myelinated axons?Read the answer and worked solution →Myelinated nerve fibres are found mainly in which nerves?Read the answer and worked solution →At rest, which ion does the axonal membrane almost block?Read the answer and worked solution →In a resting neuron, the axoplasm has a high concentration of which ion?Read the answer and worked solution →The sodium-potassium pump moves how many Na+ out for how many K+ in?Read the answer and worked solution →The potential difference at a depolarised site is called what?Read the answer and worked solution →Which event restores the resting potential after depolarisation?Read the answer and worked solution →What are the junctions through which impulses pass between neurons called?Read the answer and worked solution →What are the two types of synapses?Read the answer and worked solution →What separates pre- and post-synaptic membranes at a chemical synapse?Read the answer and worked solution →The new potential produced in a post-synaptic neuron can be which kind?Read the answer and worked solution →Into which three major parts is the human brain divided?Read the answer and worked solution →The forebrain consists of which structures?Read the answer and worked solution →Which tract of fibres connects the two cerebral hemispheres?Read the answer and worked solution →Which regions of the cortex handle memory and communication?Read the answer and worked solution →What gives the inner part of the cerebral hemisphere a white look?Read the answer and worked solution →Which part of the brain controls body temperature and urge for eating and drinking?Read the answer and worked solution →Which three structures make up the hindbrain?Read the answer and worked solution →Why is the surface of the cerebellum highly convoluted?Read the answer and worked solution →Which part of the brain contains centres controlling respiration and cardiovascular reflexes?Read the answer and worked solution →Nissl bodies in neurons are made up of which organelle and its ribosomes?Read the answer and worked solution →

Worked practice questions

Stimulation of the adrenal medulla releases into the bloodstream

  1. Adrenaline
  2. Insulin
  3. Cortisol
  4. Thyroxine
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Correct answer: A. Adrenaline

Acetylcholine from preganglionic fibres makes the adrenal medulla secrete adrenaline into blood.

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During sympathetic activity, blood flow to the gut and skin is

  1. Routed through the liver
  2. Held at resting level
  3. Raised by vasodilation
  4. Cut by vasoconstriction
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Correct answer: D. Cut by vasoconstriction

Sympathetic vasoconstriction diverts blood away from the gut and skin toward muscles.

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Which highly specialised cells detect, receive and transmit stimuli in animals?

  1. Erythrocytes
  2. Osteocytes
  3. Hepatocytes
  4. Neurons
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Correct answer: D. Neurons

Neurons are the excitable cells built to sense stimuli and pass them on as impulses.

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