Exam 1 Review Flashcards
The structure outlined in yellow is
pyramids
Which fluid is most like CSF?
A) endolymph
B) vitreous humor
C) aqueous humor
D) perilymph
D) perilymph
The structure outlined in yellow is
periaqueductal gray
The trapezoid body is associated with which of the following?
A) visual pathway
B) cranial nerve reflex arc
C) descending ANS pathway
D) auditory pathway
E) vestibular pathway
D) auditory pathway
Umami is a classification within taste that is transmitted by binding what type of chemicals?
glutamate (MSG)
Another term used in place of olfactory cortex is _________________?
enterorhinal cortex
The corticospinal tract passes through the pyramids and which of the following structures?
A) inferior colliculus
B) middle cerebellar peduncle
C) tectum
D) cerebral peduncles
E) medial lemniscus
D) cerebral peduncles
The calcarine sulcus is an important landmark for the ______________
visual cortex
Is the solitary nucleus an origin or termination for cranial nerves?
termination
Is the DMX an origin or termination for cranial nerves?
origin
Is the Edinger-Westphal nucleus an origin or termination for cranial nerves?
origin
Is the mesencephalic nucleus an origin or termination for cranial nerves?
termination
Is the spinal nucleus an origin or termination for cranial nerves?
termination
Is the trochlear nucleus an origin or termination for cranial nerves?
origin
To chew, you need to know the position of your jaw, which nucleus receives this info?
mesencephalic nucleus of V
This image is a cross-section through which region of the brain?
pons
The structure outlined in red is
thalamus
The yellow line is over which of the the following __________?
A) sulcus limitans
B) lateral lemniscus
C) trigeminal ganglia
D) axons of CN VII
E) EW nucleus
D) axons of CN VII
Which brainstem level would you find the periaquaductal gray and a cerebral aqueduct?
midbrain
The structure outlined in yellow is
substantia nigra
The structure outlined in yellow is
fasciculus cuneatus
The structure outlined in red is
superior cerebellar peduncle
CN I is formed by axons of ____________ cells?
olfactory
The structure marked is?
sulcus limitans
What is shown by the yellow lines?
pyramidal decussation
In some of our drawings and circuits we have used the abbreviation DCN, what does this stand for?
dorsal cochlear nucleus
The facial nerve (CN VII) uses which nuclei?
-solitary nucleus
-spinal trigeminal
-superior salivary nucleus
-facial motor nucleus
Chemicals that are perceived as “bitter” are transmitted via CN ____?
IX
The lateral rectus is controlled by the ____________ nucleus
abducens
Ganglion cells project to the LGN of the thalamus and also the ________ and ________
tectum, superior colliculus
Are the cerebral peduncles on the anterior or posterior brainstem?
anterior
Is the facial colliculus on the anterior or posterior brainstem?
posterior
Is the pyramidal decussation on the anterior or posterior brainstem?
anterior
Is the superior colliculus on the anterior or posterior brainstem?
posterior
Is the sulcus limitans on the anterior or posterior brainstem?
posterior
Is the middle cerebellar peduncle on the anterior or posterior brainstem?
posterior
Baroreceptors within the aortic arch send viscerosensory info, this reaches the CNS via the ______________?
vagus n.
When someone is talking to you, you can tell where they’re located (eyes closed) as auditory pathways project to the ____________________
superior olivary nucleus
These 2 cranial nerves are involved in the corneal blink reflex. CN ______ as afferent and CN _______ as an efferent branch
V, VII
Which of the following best describes a splanchnic nerve?
A) axons between the white and gray rami
B) axons before the prevertebral ganglia
C) axons before the chain ganglia
B) axons before the prevertebral ganglia
Ascending sensory fibers from the nucleus gracilis are called the
medial lemniscus
Sympathetic chain ganglia are also known as?
paravertebral ganglia
Axons from the _________ retina cross within the optic chiasm
nasal
The optic radiation is located between the
thalamus and cortex
The attenuation reflex is involved in
reducing ossicular conduction
The inner plexiform layer of the retina is a synapse between _____________?
bipolar cells and ganglion cells
Within the basilar membrane are neurons for hearing called
inner hair cells
The vestibular ganglion __________
A) contains the cell bodies of the primary afferents of CN VIII
B) contains the cell bodies of the efferents from CN VIII
C) contains ANS synapses for the parasympathetic system
A) contains the cell bodies of the primary afferents of CN VIII
The branch of the ANS required to establish an erection is the _____________ nervous system
parasympathetic
What is the function of semicircular ducts?
rotation
What is the function of the vestibule?
gravity
What is the function of the cochlear?
sound
What is the function of the rods?
night vision
What is the function of mitral and tufted cells?
odor discrimination
What is the function of the superior colliculus?
visual reflexes
A cupula and cristae ampullaris is a sensory structure located within the __________________
semicircular ducts
A bundle of axons with a supportive or connective role is known as ________?
peduncle
An increase in blood pressure would activate _______________ and ______________ the sympathetic nervous system
baroreceptors, inhibit
The spinal organ of Corti is located with the
cochlear
Referred pain, or pain felt on the body is an example of
viscerosomatic reflex
The tectorial membrane is part of which sensory pathway?
auditory
Contraction or closure of the internal urethral sphincter is maintained by the _______________ nervous system
sympathetic
The nucleus of CN XII forms a “bump” within the 4th ventricle called the ________________?
hypoglossal trigone
The structure outlined in yellow is
nucleus gracilis
