The Sympathetic Nervous System and the 'Fight or Flight' Response Quiz
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Questions and Answers

Which division of the nervous system is responsible for the 'fight or flight' response?

  • Parasympathetic
  • Central
  • Sympathetic (correct)
  • Peripheral
  • Which neurotransmitter is primarily released by the sympathetic nervous system?

  • Acetylcholine
  • Epinephrine (correct)
  • Dopamine
  • Norepinephrine
  • Which organ secretes large quantities of epinephrine in the sympathetic nervous system?

  • Adrenal Medulla (correct)
  • Kidney
  • Liver
  • Pancreas
  • Which division of the nervous system is responsible for the 'rest and digest' response?

    <p>Parasympathetic</p> Signup and view all the answers

    Which neurotransmitter is primarily released by the parasympathetic nervous system?

    <p>Acetylcholine</p> Signup and view all the answers

    Where are the parasympathetic ganglia located in relation to the effector organ?

    <p>In close proximity to the effector organ</p> Signup and view all the answers

    Which division of the peripheral nervous system handles the input and output of the central nervous system?

    <p>Somatic nervous system</p> Signup and view all the answers

    Which type of nerves carry messages from receptors in the skin, muscles, and other sense organs to the brain?

    <p>Sensory nerves</p> Signup and view all the answers

    Which division of the autonomic nervous system is responsible for the 'fight or flight' response?

    <p>Sympathetic nervous system</p> Signup and view all the answers

    Which division of the autonomic nervous system is primarily concerned with conservation of energy and maintenance of organ function during periods of minimal activity?

    <p>Parasympathetic nervous system</p> Signup and view all the answers

    Which type of autonomic fibers are responsible for the 'rest and digest' response?

    <p>Parasympathetic fibers</p> Signup and view all the answers

    Which type of autonomic fibers are responsible for the 'fight or flight' response?

    <p>Sympathetic fibers</p> Signup and view all the answers

    Which division of the autonomic nervous system is responsible for controlling the processes of mixing, propulsion, and absorption of nutrients in the gastrointestinal tract?

    <p>Enteric nervous system</p> Signup and view all the answers

    Which neurotransmitter is released by all preganglionic neurons of the ANS?

    <p>Acetylcholine</p> Signup and view all the answers

    Which type of receptors are activated by acetylcholine or nicotine and produce excitation?

    <p>Neuronal nicotinic receptors</p> Signup and view all the answers

    Which type of receptors are activated by G-proteins and mediate slow EPSP in autonomic ganglia?

    <p>M1 muscarinic receptors</p> Signup and view all the answers

    Which G-protein coupled receptor subtype controls the release of neurotransmitter by other neurons and is inhibitory in the sympathetic nervous system?

    <p>M4 muscarinic receptor</p> Signup and view all the answers

    Which type of receptors are found in vascular smooth muscle, GI tract, bladder sphincter, and muscle of the iris, and are responsible for smooth muscle contraction (vasoconstriction)?

    <p>Alpha 1 receptors</p> Signup and view all the answers

    Which type of adrenergic receptor is responsible for positive inotropy and chronotropy in the heart?

    <p>Beta 1 Receptors (b1AR)</p> Signup and view all the answers

    Which type of adrenergic receptor is responsible for relaxation of smooth muscles, including bronchial dilation?

    <p>Beta 2 Receptors (b2AR)</p> Signup and view all the answers

    Which type of adrenergic receptor is responsible for mediating lipolysis in adipocytes?

    <p>Beta 3 Receptors (b3AR)</p> Signup and view all the answers

    Which type of adrenergic receptor is responsible for smooth muscle contraction?

    <p>Alpha 1 Receptors (a1AR)</p> Signup and view all the answers

    Which type of adrenergic receptor is responsible for vasoconstriction?

    <p>Alpha 1 Receptors (a1AR)</p> Signup and view all the answers

    Which type of adrenergic receptor is responsible for suppression of norepinephrine release by negative feedback?

    <p>Alpha 1 Receptors (a1AR)</p> Signup and view all the answers

    Which division of the Autonomic Nervous System is responsible for the "inhibition of random movement" and "awareness of sensations"?

    <p>Parasympathetic division</p> Signup and view all the answers

    Which component of the Central Nervous System is responsible for "sensory perception", "voluntary movement", and "memory/decision making"?

    <p>Cerebral cortex</p> Signup and view all the answers

    Which component of the Central Nervous System is responsible for "balance", "muscle tone", and "coordination of voluntary muscle act"?

    <p>Cerebellum</p> Signup and view all the answers

    Which component of the Central Nervous System serves as the "relay station for all synaptic input" and is responsible for "inhibition of random movement"?

    <p>Thalamus</p> Signup and view all the answers

    Which component of the Central Nervous System is responsible for the "homeostatic regulation of temperature, thirst, food intake, fluid balance, and biological rhythms"?

    <p>Hypothalamus</p> Signup and view all the answers

    Which division of the Peripheral Nervous System is divided into autonomic/enteric and somatic?

    <p>Sympathetic division</p> Signup and view all the answers

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