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Embed code for: Anatomy SI Exam 3 Review- from mac
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Anatomy Exam 3 Review
Nervous System Review
Please ask Questions
Keep the conversation down!
Stay off your phones if you can, please.
Be respectful of your peers.
Tips for Exams
Treat each option in a question as a True or False statement.
Sleep a decent amount the night before. Plz.
Don’t be afraid to raise your hand.
Y’all ready for this?
Is the Pope Catholic?
I will be.
I need to put in some real work.
How often do you attend SI?
2+ times per week
Once a week
Every once in a while
Just the Exam Reviews
Harvard College is older than Calculus
Harvard College was established in 1636
Isaac Newton released his Prinicpals of Calculus in 1687
Isaac Newton began publishing about calculus in 1666. He was 24.
Gottfried Leibniz released his New Methods (of Calculus) in 1684
Which of the following applies to sensory neurons?
Carries signals from the periphery to the CNS.
Insert on the dorsal side of the spinal cord.
None of the above.
All of the above.
Which of the following is NOT a component of the CNS system?
None of the above
All of the above
Which of the following types of neurons is most abundant?
Which of the following statements is FALSE?
Neuronal Cell bodies contain abundant mitochondria and centrioles.
Axons send signals across the synaptic cleft.
Dendrites receive chemoelectric signals.
Axons can be myelinated.
Which of the following statements are TRUE?
Schwann cells myelinate axons in the PNS
Astrocytes help form the Blood-Brain Barrier
Satellite cells exchange nutrients and wastes in the CNS
A and B
Which of the following statements is TRUE?
The Perineurium binds several axons into a fascicle
Microglia phagocytize cells in the CNS
The Epineurium binds several fascicles into a nerve.
Which of the following statements is true of the Filum Terminale?
Connects your Spinal Cord to your Sacrum
Carries signals from the lower abdominal regions to the Spinal Cord
Is an extension of Pia Mater
Which of the following cavities contains CSF?
Superior Sagittal Sinus
Confluence of Sinuses
Which of the following statements is False?
There are 8 pairs of cervical spinal nerves
The one pair of coccygeal spinal nerves are also known as the Filum Terminale
The Phrenic Nerve is composed of Spinal Nerves C3, C4, and C5.
The endoneurium is synonymous with the myelin sheath.
Which of the following nerves innervates the extensors of the elbow?
What nerve innervates the extensor m.s. of the wrist?
What nerve moves the Biceps Femoris Sh. Head m.?
Common Fibular n.
What nerve innervates the adductor muscles of the thigh?
After suffering a massive CVA, Jordan experiences paralysis on the right side of his body. What type of paralysis is he experiencing?
In a reflex arc, what step occurs after reception of a stimulus?
Motor neurons send signals to target tissues
The signal is relayed through the spinal cord or other neurons
Sensory neurons direct the signal to the CNS
Target tissues (effectors) respond to the stimulus
What vesicle of the brain contains the 3rd ventricle?
Where is Broca’s area located?
Which of the following statements is NOT TRUE?
Gray matter in the brain is located internal to the White matter
White matter in the Spinal Cord is located external to the Gray matter
Gray matter in the Spinal Cord is located internal to the White matter
The gyri of the brain are the raised ridges, while the sulci are the shallow depressions
Which of the following regions of the Telencephalon contains the visual cortex?
B and D
Which of the following vesicles contains the Medulla Oblongata?
Which of the following pathologies can be characterized by a shrinking of the gyri?
Which of the following produces Cerebrospinal Fluid?
The Blood-Brain Barrier
Which of the following fetal structures gives rise to the metencephalon?
The falx cerebri is anchored to the crista galli
The tentorium cerebelli runs between the cerebrum and the cerebellum
The diaphragma sellae covers the sella turcica and pineal gland in CT.
The dural sinuses contain venous blood
While chewing on some extra spicy Doritos, Cassie stabbed herself in the tongue with a chip. What nerve transmitted the pain?
Ophthalmic branch of the Trigeminal Nerve
Maxillary branch of the Trigeminal Nerve
Mandibular branch of the Trigeminal Nerve.
Which of the following cranial nerves does not run through the superior orbital fissure?
Which of the following cranial nerves only have sensory components?
Shay, who suffers from polyembolokoilamania, got a pen stuck in his ear. What cranial nerve feels the pain caused by the pen?
Ophthalmic branch of the Trigeminal n.
Which of the following is associated with increased mental alertness and general arousal of peripheral body systems?
Sympathetic division of the ANS
Parasympathetic division of the ANS
Thoracolumbar division of the ANS
Craniosacral division of the ANS
A and C
A and D
Norepinephrine is released by pre-ganglionic neurons to stimulate a sympathetic response
The effects of acetylcholine are longer lasting than those of norepinephrine
Acetylcholine is most strongly associated with the parasympathetic response
Acetylcholine released on vessels of peripheral skeletal muscles will cause them to dilate.
The parasympathetic system is associated with sexual arousal
Norepinephrine is released by post-ganglionic neurons of the Sympathetic division of the ANS
Most parasympathetic pre-ganglionic fibers are bundled with CN’s III, VII, IX, and X.
The post-ganglionic fibers of the parasympathetic division are longer than its pre-ganglionic fibers
Hormones circulate through the blood stream
Hormone effects last longer than those of neurotransmitters
Hormones alter the expression of DNA to produce new proteins
Hormones can be excreted by the Kidneys
None of the Above
Which of the following is responsible for sensing vibrations in the skin?
Thermoreceptors allow you to sense precise temperatures
Chemoreceptors such as aortic bodies sense changes in CO2/O2 in the blood
Baroreceptors can be find in the Gastrointestinal system
Proprioception allows for the sensation of stretch and body position
Of these choices, where would you be most likely to find Olfactory Epithelia?
Superior Nasal Conchae
Middle Nasal Conchae
Inferior Nasal Conchae
It is evenly distributed throughout the nose
Taste-buds are chemorecptors
CN V3 senses pain of the tongue
The Facial nerve senses taste on the anterior 2/3rds of the tongue
Filament-shaped taste buds are known as filiform papillae
Which of these correctly lists the components of the fibrous tunic of the eye?
Sclera, Cornea, Choroid
Sclera, Iris, Cornea
Sclera, Cornea, Conjunctiva
Sclera, Cornea, Macula
The cornea is avascular
The Conjunctiva is a continuous sheet of epithelia covering the front of the eye
The Iris divides the eye into Anterior and Posterior Cavities
There are many more Rods than Cones in the eye.
What fluid is contained in the Posterior Cavity of the Eye?
What muscles are involved in focusing your eyes down and to the left?
Medial Rectus, Lateral Rectus, Inferior Rectus, And Superior Oblique
Lateral Rectus, Inferior Rectus, Superior Oblique
Lateral Rectus, Inferior Rectus, Inferior Oblique
Lateral Rectus, Medial Rectus, Inferior Rectus, Inferior Oblique
What Cranial Nerves innervate the ocular muscles that allow you to look down and to the left?
Oculomotor n., Abducens n.
Oculomotor n., Abducens n, and Trochlear n.
Oculomotor n., Trochlear n.
What is the sling of CT that holds the superior oblique m.?
Where do tears drain after the Canaliculi?
Over the Conjunctiva
What Cranial nerves are associated with opening and closing of the eye lids?
B and C
What sequence of events occurs in the eye while trying to focus on an object that is close to you?
Ciliary muscle contract > Suspensory ligaments loosen > Lens Bulges
Ciliary Muscle contracts > Suspensory ligaments tighten > Lens flattens
Cilary muscles relax > Suspensory ligaments tighten > Lens flattens
Ciliary muscles relax> Suspensory ligaments relax > Lens bulges
After piercing his Tragus, Alex develops a paralysis of the facial muscles on one side of his face. What’s wrong with Alex?
Inflammation around his ear is pinching down on CN V1.
His parasympathetic system is down regulating the activity of the muscles in his face as a response to the infection
Inflammation around his ear is pinching down on his facial nerve.
He’s having an allergic reaction to the metal of his piearcing
What Cranial Nerve innervates the skin of the external auditory canal?
What is the boundary between the external ear and middle ear?
The Oval window
Which of the following is NOT TRUE of the Eustachian Tube?
Equalizes the pressure across the tympanic membrane
Is the anterior boundary of the middle ear
Connectes the middle ear and the pharynx
Swelling of the Eustachian tube can lead to infections of the middle ear
Which of the following is an infection of the inner ear
Which of the following is True?
Perilymph surrounds the osseous labyrinth
Endolymph surrounds the membranous labyrinth
The hair cell is the functional unit of hearing and balance
Hair cells of the inner ear are innervated by CN VII
Ampullae are located at the base of the semicircular canals
Each Ampulla contains a Crista and Cupula
The Macula of the Utricle and Saccule contain Otoliths
Movement of perilymph causes distortion of the Cupula in the ampullae
Which of the following brain structures connects vision and and balance?
Which of the following spaces contains endolymph?
What directly causes vibration of the oval window of the inner ear?
Pressure waves carried by the perilymph in the vestibular duct
Vibrations carried by the ossicular chain, terminating with the Stapes
Pressure waves carried by the perilymph in the tympanic duct
Vibration of the stapes against the round window
What two membranes are associated with the hair cells in the Organ of Corti?
Basal Membrane and Tectorial Membrane
Vestibular Membrane and Tympanic Membrane
Basal Membrane and Tympanic Membrane
Tectorial membrane and Tympanic membrane
Which portion of the basal membrane is most receptive to high pitched sounds?
The distal portion/Tip
The proximal portion
All frequencies are perceived equally at all points of the membrane
What structure makes up the tip of the cochlea?
Which of of the following cranial nerves runs through the stylomastoid foramen?
Which of the following Cranial innervates innervates the taste on the posterior 1/3rd of the tongue?
What cranial nerve innervates various muscles that move the neck?
Which cranial nerves run through the Jugular Foramen?
Facial and Vestibulocochlear
Vestibulocochlear and Glossopharyngeal
Glossopharyngeal, Vagus, and Accessory
Vestibulocochlear, Vagus, and Spinal
Through what foramen does CN V3 pass?
Superior Orbital Fissure
Which cranial nerve innervates the muscles of mastication?
Maxillary branch of the Trigeminal n.
Mandibular Branch of the Trigeminal n.
Which innervates the skin of of the throat?
Which nerve innervates most flexors of the arm?
Which nerve innervates the vastus lateralis m.
Which of these muscles does the common fibular n. innervate?
Biceps Femoris (Sh. Head)
Dorsiflexors of the ankle
Dorsiflexors of the toes
Which nerve innervates the Adductor Magnus m.?
Which nerve innervates the brachioradialis m.?
Which nerve moves the Deltoid m.?
Motor signals travel out of the ventral spinal cord
Motor signals travel out of the dorsal spinal cord
Sensory signals travel into the ventral spinal cord
Sensory signals travel out of the dorsal spinal cord
What stalk supports the pineal gland on top of the diencephalon?
Where is the Somatosensory Cortex located?
The left hemisphere of the cerebrum is involved in logical processes
The Corpus Callosum connects the two hemispheres of the cerebrum
The Septum Pelucidum separates the First and Second Ventricles
The telencephalon develops from the prosencephalon
None of the aboveing and balance
Pressure waves carried by the peril