Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
57 Cards in this Set
- Front
- Back
|
The parasympathetic division uses only ________ as a neurotransmitter in the ganglionic neurons.
|
Answer: Acetylcholine
|
|
|
Pain from the diaphragm will be referred to the anterior cutaneous area of the ________.
|
Answer: Neck
|
|
|
The only sympathetic preganglionic neuron to go directly to an organ is one branch of the ________ splanchnic nerve.
|
Answer: greater
|
|
|
The ________ receptor type is used by the heart, and when activated increases heart rate.
|
Answer: B1
|
|
|
The two cholinergic receptor types are ________ and ________.
|
Answer: nicorinic, muscarinic
|
|
|
The ________ division alone stimulates the lens of the eye.
|
Answer: Parasympathetic
|
|
|
Sweat glands are innervated by the ________ fibers alone.
|
Answer: Sympathetic
|
|
|
The ________ division causes erection of the penis and clitoris.
|
Answer: Parasympathetic
|
|
|
Two major classes of adrenergic receptors, ________ and ________ are found in the ANS.
|
Answer: Alpha, beta
|
|
|
The sympathetic division is referred to as the ________ system.
|
Answer: Fight or Flight
|
|
|
The vagus nerve does not innervate the ________.
A) pancreas B) kidneys C) parotid gland D) gallbladder |
Answer: C
|
|
|
The possibility of control over autonomic responses is demonstrated by ________.
A) split brain studies B) stress-induced hypertension C) biofeedback D) nightmares |
Answer: C
|
|
|
Emotions influence autonomic reactions primarily through integration in the ________.
A) lateral horn of the spinal cord B) hypothalamus C) lateral geniculate of the thalamus D) inferior colliculus |
Answer: B
|
|
|
Abducens Nerve
|
Turns the eyeball laterally.
|
|
|
Vagus Nerve
|
Helps to regulate blood pressure and digestion.
|
|
|
Vestibularcochlear Nerve
|
Serves the senses of hearing and equilibrium.
|
|
|
Accessory Nerve
|
Formed by the union of canial and a spinal root
|
|
|
Olfactory Nerve
|
Receptors located in epithelium of the nasal cavity
|
|
|
Plantar Reflex
|
tests both upper and lower motor pathways, the sole of the foot is stimulated with a dull instrument extension
|
|
|
Flexor Reflex
|
Produces a rapid withdrawal of the body part with a painful stimulus; ipsilateral
|
|
|
Abdominal Reflex
|
Checks the integrity of the spinal cord and dorsal rami at the level of T8 to T12.
|
|
|
Stretch Reflex
|
Prevents muscle overstretching and maintains muscle tone
|
|
|
Lumbar Plexus
|
the obturator and femoral nerves branch from this plexus,
|
|
|
Brachial Plexus
|
Striking the funny bone may cause injury to a nerve of this plexus, trauma to a nerve of this plexus may cause wrist drop
|
|
|
Sacral Plexus
|
Improper administration of an injection to the buttocks may injure a nerve of this plexus
|
|
|
Cervical Plexus
|
the phrenic nerve branches from this plexus
|
|
|
Projection Level
|
Intermediate relay for incoming and outgoing neurons, includes cortical and brain stem motor areas
|
|
|
Precommand Level
|
Regulates motor activity, the cerebellum and basal nuclei
|
|
|
Segmental Level
|
Central pattern generators, the neural machinery of the spinal cord
|
|
|
The meningeal brahcn of a spinal nerve actually reenters the vertebral canal to innervate the meninges and blood vessels
|
Answer: True
|
|
|
In the somatosensory system, there is no third-order neurons in the cerebellum.
|
Answer: True
|
|
|
There are 41 pairs of spinal nerves.
|
Answer: False
|
|
|
The glossopharyngeal nerve is the only cranial nerve that contains sensory fibers.
|
Answer: False
|
|
|
The musculocutaneous nerve is a major nerve of the brachial plexus.
|
Answer: True
|
|
|
The second cranial nerve forms a chiasma at the base of the brain for partial crossover of neural fibers.
|
Answer: True
|
|
|
The only cranial nerves to extend beyond the head and neck region are the vagus nerves.
|
Answer: True
|
|
|
The dorsal ramus consists only of motor fibers bringing information to the spinal cord.
|
Answer: False
|
|
|
Dermatomes are skin segments that relate to sensory innervation regions of the spinal nerves.
|
Answer: True
|
|
|
Spinal roots and rami are similar in that they both contain sensory and motor fibers.
|
Answer: True
|
|
|
Irritation of the phrenic nerve may cause diaphragm spasms called hiccups.
|
Answer: True
|
|
|
The obturator nerve branches from the sacral plexus.
|
Answer: False
|
|
|
Reciprocal inhibition means that while one sensory nerve is stimulated, another sensory neuron in the same area is inhibited and cannot respond.
|
Answer: False
|
|
|
External strabismus and ptosis could be caused by damage to the oculomotor nerve.
|
Answer: True
|
|
|
In order to regulate motor activity, to start and stop movements, and to coordinate postural movements, the cerebellum and basal nuclei are involved.
|
Answer: True
|
|
|
The ʺknee jerkʺ reflex is an example of a(n) ________.
A) extensor thrust reflex B) stress reflex C) cross extensor reflex D) stretch reflex |
Answer: D
|
|
|
The ________ nerve is not a branch of the trigeminal nerve.
A) ophthalmic B) maxillary C) cervical D) mandibular |
Answer: C
|
|
|
Which of the following nerves does not arise from the brachial plexus?
A) median B) phrenic C) radial D) ulnar |
Answer: B
|
|
|
Which of the following is at the lowest level of the CNS?
A) direct system B) indirect system C) projection level D) CPG |
Answer: D
|
|
|
The three primary levels of neural integration in a sensory system include all of the following except the ________.
A) receptor level B) circuit level C) perceptual level D) effector level |
Answer: D
|
|
|
The posterior side of the thigh, leg, and foot is served by the ________ nerve.
A) obturator B) common fibular C) tibial D) femoral |
Answer: C
|
|
|
Starting at the spinal cord, the subdivisions of the brachial plexus are, in order ________.
A) rami, trunks, divisions, and cords B) rami, divisions, cords, and trunks C) divisions, rami, trunks, and cords D) trunks, divisions, cords, and rami |
Answer: A
|
|
|
The cranial nerve with a dual origin (brain and spinal cord) is the ________.
A) hypoglossal B) accessory C) vagus D) glossopharyngeal |
Answer: B
|
|
|
Which of the following is not a nerve plexus?
A) brachial B) cervical C) lumbar D) thoracic |
Answer: D
|
|
|
A major nerve of the lumbar plexus is the ________.
A) femoral B) iliohypogastric C) sciatic D) ilioinguinal |
Answer: A
|
|
|
Spinal nerves exiting the cord from the level of L4 to S4 form the ________.
A) lumbar plexus B) femoral plexus C) sacral plexus D) thoracic plexus |
Answer: C
|
|
|
The abducens nerve ________.
A) supplies innervation to the lateral rectus muscle of the eye B) relays sensory information from taste buds on the tongue C) exits from the medulla D) if paralyzed, exhibits Bellʹs palsy |
Answer: A
|
|
|
Basic reflexes ________.
A)are rapid, predictable, learned responses B) may be modified by learned behavior C) are autonomic only D) are always mediated by the brain |
Answer: B
|
