Physiology: Cell Barrier and Internal Environment Quiz
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Questions and Answers

Which system is responsible for maintaining a stable internal environment in the body?

  • Central nervous system
  • Lymphatic system
  • Autonomic nervous system (correct)
  • Endocrine system

    • What do internal sensory receptors gather information about?

  • Blood pressure, blood chemistry, body temperature, and mechanical distension only
  • Blood pressure, blood chemistry, body temperature, and mechanical distension (correct)
  • Blood chemistry, body temperature, and mechanical distension only
  • Blood pressure and blood glucose only

    • Which organs are considered as principal organs of homeostasis?

  • Skin, liver, lungs, heart, and kidneys (correct)
  • Skin, liver, lungs, heart, and stomach
  • Skin, liver, lungs, heart, and spleen
  • Skin, liver, lungs, heart, and pancreas

    • Which two distinct effector pathways modulate organ function in the ANS?

    <p>Parasympathetic nervous system (PSNS) and sympathetic nervous system (SNS)</p> Signup and view all the answers

    In practice, how do the actions of SNS and PSNS often work?

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

    What is the responsibility of the autonomic nervous system (ANS) in maintaining a stable internal environment?

    <p>Gathering information from internal sensory receptors and adjusting the function of organs to maintain homeostasis</p> Signup and view all the answers

    Which organs are considered as principal organs of homeostasis?

    <p>Skin, liver, lungs, heart, and kidneys</p> Signup and view all the answers

    How do the sympathetic nervous system (SNS) and parasympathetic nervous system (PSNS) typically work?

    <p>Often antagonistic but in practice work in close cooperation with each other</p> Signup and view all the answers

    What type of neurotransmitter is released in the sympathetic nervous system (SNS)?

    <p>Adrenaline (epinephrine)</p> Signup and view all the answers

    What types of receptor are identified in the sympathetic nervous system (SNS) and parasympathetic nervous system (PSNS)?

    <p>Adrenergic and cholinergic receptors</p> Signup and view all the answers

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