Nervous System and Autonomic Nervous System Quiz

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What are the two parts of the nervous system mentioned in the text?

Sympathetic and parasympathetic

Somatic and autonomic (correct)

Skeletal and smooth muscles

Cervical and lumbar

Which division of the autonomic nervous system is associated with the 'fight or flight' response?

Somatic division

Sympathetic division (correct)

Parasympathetic division

Enteric division

In which part of the spinal cord does the sympathetic division originate from?

Thoracolumbar region (correct)

Lumbar region

Cervical region

Sacral region

What type of axons are present before the ganglia in the sympathetic nervous system?

Myelinated and short Signup and view all the answers

What is the function of the medial forebrain bundle?

It communicates to the brain Signup and view all the answers

Which part of the brain is involved in memory and emotional response?

Amygdala Signup and view all the answers

How do sympathomimetic drugs function?

Increase the heart output Signup and view all the answers

What is the role of anticholinergic drugs?

Enhance the parasympathetic response Signup and view all the answers

What type of synapse do the sympathetic fibers running to the adrenal medulla have?

Adrenergic Signup and view all the answers

Which type of receptors does the cholinergic system have?

Ligand-gated and G protein-coupled Signup and view all the answers

What does the term 'nor' refer to in the adrenergic system?

Removal of a methyl group Signup and view all the answers

What is the main function of baroreceptors in the autonomic reflexes?

Regulate blood pressure Signup and view all the answers

Which organ is under a parasympathetic tone?

Heart Signup and view all the answers

What is the purpose of orthostatic hypotension?

Ensure oxygen supply to the brain Signup and view all the answers

In which system does autonomic control happen bilaterally?

Autonomic nervous system Signup and view all the answers

What is the main difference between short reflexes in the autonomic system and somatic reflexes?

The role of ganglia Signup and view all the answers

'Referred pain' is best described as pain that:

Is felt in an unexpected area distant from the site of origin Signup and view all the answers

What is the function of varicosities in autonomic synapses?

Release neurotransmitters at the end of nerves Signup and view all the answers

What is the main function of sympathetic fibers that activate chromaffin cells?

Trigger release of epinephrine and norepinephrine Signup and view all the answers

What is the main difference between sympathetic and parasympathetic fibers regarding ganglia?

The length of pre- and postganglionic fibers Signup and view all the answers