The Nervous System Quiz

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Which part of the body is the main integration system?

Brain and spinal cord

What is responsible for maintaining homeostasis in the body?

Nervous system

Which type of receptors pick up information for the CNS from the PNS?

Special senses and general sensory receptors

What does the Peripheral Nervous System (PNS) consist of?

All neural tissue other than the brain and spinal cord Signup and view all the answers

What is the functional unit of the nervous system?

Neuron Signup and view all the answers

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

Sympathetic NS Signup and view all the answers

Which part of the brain regulates heart rate, breathing, and blood pressure?

Brain stem Signup and view all the answers

What is the brief change in electrical conditions at a neuron’s membrane called?

Action potential Signup and view all the answers

Which part of the nervous system is involved in conscious movement and voluntary muscle regulation?

Somatic NS Signup and view all the answers

What is the primary function of sensory neurons?

Detect conditions in the environment or body Signup and view all the answers

Which part of the brain is responsible for learning, remembering, and activity planning?

Cerebrum Signup and view all the answers

Which ion channels respond to trans-membrane voltage changes?

Voltage-gated channels Signup and view all the answers

What is the function of the parasympathetic nervous system?

Responsible for digestion, energy storage, and relaxation Signup and view all the answers

What is the role of neuroglia in nervous tissue?

Supporting cells of nervous tissue Signup and view all the answers

Which part of the brain is responsible for maintaining muscle tone, posture, and balance?

Cerebellum Signup and view all the answers

What is the primary function of motor neurons?

Carry instructions to the body Signup and view all the answers

What is the main integration system of the body?

Central Nervous System (CNS) Signup and view all the answers

Which division of the nervous system is responsible for maintaining homeostasis?

Autonomic Nervous System (ANS) Signup and view all the answers

What is responsible for the formulation of appropriate responses to stimuli?

Central Nervous System (CNS) Signup and view all the answers

Which part of the nervous system is composed of all neural tissue other than the brain and spinal cord?

Peripheral Nervous System (PNS) Signup and view all the answers

What is the primary function of the limbic system in the brain?

Regulates emotions Signup and view all the answers

Which part of the autonomic nervous system secretes hormones that control the pituitary gland and regulates circadian rhythm?

Parasympathetic NS Signup and view all the answers

What is the role of the thalamus in the brain?

Acts as a relay station for incoming sensory information Signup and view all the answers

What are reflexes in the nervous system?

Rapid responses to sensory stimuli Signup and view all the answers

Which part of the brain is responsible for maintaining a constant environment for the central nervous system?

Cerebrospinal fluid Signup and view all the answers

What is the function of the efferent division of the peripheral nervous system (PNS)?

Sends motor responses to organs Signup and view all the answers

What is the primary function of the sympathetic nervous system?

Controls the body during 'fight or flight' responses Signup and view all the answers

What is the primary function of interneurons in the nervous system?

Connect sensory and motor neurons Signup and view all the answers

What is the primary function of neuroglia in nervous tissue?