Podcast
Questions and Answers
What type of compounds are odorants?
What type of compounds are odorants?
Which animal has the olfactory system that has been most carefully studied?
Which animal has the olfactory system that has been most carefully studied?
What type of receptors are odorant receptors?
What type of receptors are odorant receptors?
Where do olfactory neurons send signals to in the brain?
Where do olfactory neurons send signals to in the brain?
Signup and view all the answers
What happens when odorant binds to an olfactory receptor cell?
What happens when odorant binds to an olfactory receptor cell?
Signup and view all the answers
What is the function of the accessory olfactory system?
What is the function of the accessory olfactory system?
Signup and view all the answers
Which cranial nerves are responsible for carrying information about taste?
Which cranial nerves are responsible for carrying information about taste?
Signup and view all the answers
What type of sodium flow activates type 1 taste receptors?
What type of sodium flow activates type 1 taste receptors?
Signup and view all the answers
Where are taste receptors grouped together in the oral cavity?
Where are taste receptors grouped together in the oral cavity?
Signup and view all the answers
Which brainstem nucleus do the second order neurons synapse with first order neurons in taste pathways?
Which brainstem nucleus do the second order neurons synapse with first order neurons in taste pathways?
Signup and view all the answers
Where do the axons of third order neurons project to in taste pathways?
Where do the axons of third order neurons project to in taste pathways?
Signup and view all the answers
Are taste pathways typically ipsilateral or contralateral?
Are taste pathways typically ipsilateral or contralateral?
Signup and view all the answers
Which cranial nerve is responsible for providing parasympathetic innervation to most of the viscera?
Which cranial nerve is responsible for providing parasympathetic innervation to most of the viscera?
Signup and view all the answers
What type of fibers are found in cranial nerves responsible for motor input to smooth muscle and glands?
What type of fibers are found in cranial nerves responsible for motor input to smooth muscle and glands?
Signup and view all the answers
Which cranial nerves do not contain somatic efferent fibers?
Which cranial nerves do not contain somatic efferent fibers?
Signup and view all the answers
Which cranial nerve contains motor nerve fibers that send signals to the muscles of mastication?
Which cranial nerve contains motor nerve fibers that send signals to the muscles of mastication?
Signup and view all the answers
Which subtype of sensory fibers provide sensory information from internal structures?
Which subtype of sensory fibers provide sensory information from internal structures?
Signup and view all the answers
Which group of cranial nerves is responsible for special senses like taste and smell?
Which group of cranial nerves is responsible for special senses like taste and smell?
Signup and view all the answers
Where are the preganglionic neurons located for the sympathetic innervation of the smooth muscle and glands of the head?
Where are the preganglionic neurons located for the sympathetic innervation of the smooth muscle and glands of the head?
Signup and view all the answers
What neurotransmitter do preganglionic neurons release in sympathetic innervation of the head?
What neurotransmitter do preganglionic neurons release in sympathetic innervation of the head?
Signup and view all the answers
Which receptors do epinephrine or norepinephrine bind to in postganglionic sympathetic neurons for head innervation?
Which receptors do epinephrine or norepinephrine bind to in postganglionic sympathetic neurons for head innervation?
Signup and view all the answers
Except for the salivary glands, what neurotransmitter is released by postganglionic sympathetic neurons for head innervation?
Except for the salivary glands, what neurotransmitter is released by postganglionic sympathetic neurons for head innervation?
Signup and view all the answers
Which fibers convey somatosensory information from the face, skeletal muscle of the head, oral cavity, corneal, and teeth to the somatosensory cortex?
Which fibers convey somatosensory information from the face, skeletal muscle of the head, oral cavity, corneal, and teeth to the somatosensory cortex?
Signup and view all the answers
Where do second order neurons in the trigeminal sensory nuclei synapse?
Where do second order neurons in the trigeminal sensory nuclei synapse?
Signup and view all the answers
Where are the sensory and motor nuclei located in the CNS?
Where are the sensory and motor nuclei located in the CNS?
Signup and view all the answers
Where do neurons carrying somatosensory information from the head synapse?
Where do neurons carrying somatosensory information from the head synapse?
Signup and view all the answers
Which cranial nerves have special visceral afferent fibers?
Which cranial nerves have special visceral afferent fibers?
Signup and view all the answers
What is the primary location of cell bodies of upper motor neurons?
What is the primary location of cell bodies of upper motor neurons?
Signup and view all the answers
Which ganglia are associated with cranial nerves in the CNS?
Which ganglia are associated with cranial nerves in the CNS?
Signup and view all the answers
What is the function of autonomic ganglia in the CNS?
What is the function of autonomic ganglia in the CNS?
Signup and view all the answers