__________ space receptors that deserve to respond to transforms in pressure. Photoreceptors Chemoreceptors Nociceptors Mechanoreceptors

Pressure, pain, and temperature receptors in the skin space ________. proprioceptors interoceptors mechanoreceptors exteroceptors

Potentially damaging stimuli that result in pain space selectively recognize by ________. nociceptors interoceptors proprioceptors photoreceptors

Which receptor adapt most slowly? odor receptors nociceptors touch receptor pressure receptors

Feeling a tenderness caress ~ above your eight would most likely involve every one of the following other than ________. Meissner"s corpuscles tactile discs Pacinian corpuscles hair follicle receptors


Which of the receptor varieties above might function as a nociceptor?


Which the the receptor species pictured duty as exteroceptors?


Which the the receptor varieties pictured role exclusively together proprioceptors?


Which that the receptor species contribute come the sense of touch by responding to deep press stimuli?

Which the the adhering to is no a way that sensory receptors are classified? location in the body structural complexity sensitivity to a economic stimulation kind of stimulus detected

Which form of sensory receptor permits us come feel pest landing on our skin? chemoreceptor thermoreceptor mechanoreceptor nociceptor

Which of the following is NOT offered to share sensory receptors? the variety of dendritic endings existing the form of stimulus they finding ar structure complexity

Which the the complying with is written of encapsulated nerve endings? tactile discs muscle spindles free nerve end of sensory neurons hair follicle receptors

The first level the neural integration in the somatosensory mechanism is the __________ level. receptor abstraction perceptual circuit

__________ do NOT exhibit the residential property of adaptation. Tonic receptor Phasic receptor Photoreceptors Sensory receptors

Which of the complying with is not a main level that neural integration in the somatosensory system? receptor perceptual circuit segmental

Which of the complying with is an incorrect statement regarding the occurrence of a sensation? The stimulus power must take place within the receptor"s receptive field. The stimulus power must complement the specificity of the receptor. A generator potential in the linked sensory neuron must reach threshold. The stimulus power must be converted right into the power of a graded potential called a transduction potential.

You are watching: Feeling a gentle caress on your arm would likely involve all of the following except

The stimulus power must it is in converted into the power of a graded potential called a transduction potential

Select the exactly definition. size estimation is the simplest level of sensation. Spatial discrimination enables us to acknowledge textures. pattern recognition allows us to view a familiar face. Perceptual detection is the capability to detect how much economic stimulation is applied to the body.

All handling at the circuit level going approximately the perceptual level should synapse in the ________. pons thalamus reticular development medulla

Which of the adhering to is no an facet of sensory perception? size estimation feature abstraction visceral identification spatial distinguish pattern recognition

Transduction refers to conversion of ________. presynaptic nerve impulses come postsynaptic nerve impulses afferent impulses to efferent impulses stimulus energy into energy of a graded potential receptor power to stimulus energy

Three key levels the neural integration run in the somatosensory system. I beg your pardon level entails processing in the sensory locations of the cerebral cortex? circuit level receptor level perceptual level integrative level

Why could an individual experience the phenomenon well-known as "referred pain"? because the eyes may detect one injury prior to it is sensed, the brain creates referred emotion of pain before there is an authentic sensory stimulus. Visceral ache afferents travel along the same pathways together somatic ache fibers. Sensory nuclei in the thalamus come to be overwhelmed and also send impulses come the wrong sensory cortex. when the pain associated with one injury is severe, the brain will shut down details cognitive functions as a defense mechanism.

Nerves the only carry impulses away from the central nervous mechanism (CNS) are called __________. afferent nerves combined nerves motor nerves sensory nerves

__________ room collections that neuron cell bodies connected with nerves in the peripheral nervous system (PNS). Myelin sheaths Fascicles Nuclei Ganglia

The hyperalgesia the is common in phantom body pain might be blocked if a brand-new drug was occurred that could prevent (without triggering any side-effects) the ______. diffusion that calcium ions with NMDA receptors release of enkephalins binding of enkephalins to NMDA receptor diffusion the enkephalins throughout synaptic clefts

Nerves that bring impulses toward the CNS only are ________. motor nerves afferent nerves efferent nerves mixed nerves

After axonal injury, rebirth in peripheral nerves is guided by ________. Wallerian cell dendrites Schwann cells Golgi organs

Regeneration in ~ the CNS ________. is promoted by growth inhibitors and glial scars typically allows axonal sprouting that 20 mm is prevented because of growth-inhibiting proteins of oligodendrocytes is an ext successful than v the PNS

Select the statement that is many correct. Ganglia are collections that neuron cell bodies in the spinal cord that are linked with efferent fibers. The dorsal source ganglion is a motor-only structure. The cell bodies that afferent ganglia are located in the spinal cord. Ganglia linked with afferent nerve fibers contain cabinet bodies the sensory neurons.

Which connective tissue layer directly surrounds each axon in a nerve? perineurium epineurium endomysium endoneurium

Choose the FALSE statement around nerves. Nerve axons room surrounded through a loosened connective tissue layer called the endoneurium. Nerves differ in size. Nerves covers parallel bundles of myelinated and also nonmyelinated axons. The bulk of a nerve"s bulk is because of axons.

The majority of the cranial nerves attach to the __________. spinal cord cerebellum. brain stem. forebrain

Spinal nerves room all classified together __________. blended nerves afferent nerves sensory nerves engine nerves

The only cranial nerves to extend beyond the head and also neck an ar are the vagus nerves. True False

The ________ nerve is not a branch the the trigeminal nerve. ophthalmic maxillary mandibular cervical

Bell"s palsy is ________. defined by paralysis of face muscles regularly caused by inflammation the the trigeminal nerve identified by lose of vision identified by partial paralysis of diaphragm muscles

Mixed cranial nerves include both motor and also sensory fibers include all other than which that the following? olfactory face oculomotor trigeminal

The cranial nerves that have actually neural relations with the tongue encompass all except the ________. trochlear trigeminal glossopharyngeal facial

Problems in balance might follow trauma come which nerve? vestibulocochlear trigeminal abducens accessory

A fracture the the ethmoid bone could an outcome in damages to i beg your pardon cranial nerve? accessory olfactory glossopharyngeal vagus

A patience who got a blow to the next of the skull exhibits the following signs and symptoms on the side that the face: that is unable to close his eye, and also the edge of his mouth droops. I m sorry cranial nerve has been damaged? glossopharyngeal facial accessory hypoglossal

David, an aspiring baseball player, was struck on the left side of his face with a fastball pitch. The was no wearing a safety helmet. His zygomatic arch was crushed, as well as parts the the temporal bone. Adhering to the accident and also reconstructive surgery, he noted that his left reduced eyelid to be still drooping and also the edge of his mouth sagged. What nerve damage did the sustain? Trigeminal nerve damages on his left next face nerve damages on his left next Trigeminal nerve damages on his right side face nerve damages on his best side Oculomotor nerve damage on his left side

A nurse is asked about the cause of the excruciating pains of tic douloureux. Exactly how should the nurse answer? The excruciating pain is led to by damages to the optic nerve, bring about anopsias. The excruciating pain is resulted in by damages to the vestibulocochlear nerve, causing nerve deafness. The excruciating ache is resulted in by inflammation of the trigeminal nerve. Push on the trigeminal nerve root have the right to turn normal stimuli, favor tooth brushing, into painful stimuli. The excruciating pains is caused by paralysis of the face muscle, a condition called Bell"s palsy. The excruciating pain is brought about by inflammation the the facial nerve. The nerve is continually transmitting pain signals to the brain.

The excruciating ache is resulted in by inflammation the the trigeminal nerve. Pressure on the trigeminal nerve root deserve to turn common stimuli, choose tooth brushing, right into painful stimuli.

The 2nd cranial nerve creates a chiasma in ~ the basic of the mind for partial crossover of neural fibers. True False

The cranial nerve with a cervical origin (spinal cord) is the ________. vagus hypoglossal accessory glossopharyngeal

Which the the following cranial nerves carries just sensory information? oculomotor olfactory trigeminal abducens

Which cranial nerve transmits information around our feeling of equilibrium? abducens vagus vestibulocochlear optic

In carpal tunnel syndrome, the __________ is compressed. radial nerve axillary nerve mean nerve musculocutaneous nerve

Hiccups can occur if there to be irritation or damage to the ______. dorsal rami of spinal nerves associated with the C3-C5 region of the spinal cord afferent neurons the spinal nerves associated with the C3-C5 region of the spinal cord cutaneous branches of rami linked with the C3-C5 an ar of the spinal cord engine branches that ventral rami linked with the C3-C5 region of the spinal cord

The brachial plexus have the right to be palpated in ~ the reduced lateral border of the sternocleidomastoid muscle. Injury to the brachial plexus could cause weakness or paralysis to every one of the following except the ______. deltoid muscle biceps brachii muscle sternocleidomastoid muscle muscles that flex the wrist and also fingers

In carpal tunnel syndrome, there might be tingling and also numbness in the thumb as result of compression that the ______. thumb muscles cutaneous branches of the typical nerve muscular branches that the posterior cord the supply the average nerve nobody of the provided responses is correct.


Which the the following statements is true?The impacts of neurotransmitters exit by parasympathetic postganglionic neurons are constantly inhibitory. The impacts of neurotransmitters exit by somatic engine neurons may be either stimulatory or inhibitory. The effects of neurotransmitters exit by sympathetic postganglionic neurons are always stimulatory. The results of neurotransmitters exit from one of two people sympathetic or parasympathetic postganglionic neurons might be stimulatory or inhibitory.

The impacts of neurotransmitters released from either sympathetic or parasympathetic postganglionic neurons may be stimulatory or inhibitory.

Which of the complying with is the site of the relax of the neurotransmitter norepinephrine? terminus the a somatic engine neuron terminus of a parasympathetic postganglionic neuron within the ganglia of the sympathetic department within the ganglia that the parasympathetic division terminus of a sorry postganglionic neuron

The one structures displayed within both pathways B and also C stand for which the the following? tracts rami nuclei ganglia

CNS nerve fibers absence the intrinsic volume to regenerate, while PNS nerve fibers room able come regenerate. True False

Which reflex is triggered when a stranger suddenly grasps your arm? stretch reflex plantar reflex tendon reflex crossed-extensor reflex

Which reflex is important for maintaining muscle tone? flexor reflex large reflex tendon reflex crossed-extensor reflex


Increased nerve impulse activity in the neuron labeled A will certainly generally an outcome in ______. The convulsion of the both muscle labeled F and also G the be safe of the both muscle labeled F and G the be safe of the muscle labeling F the be safe of the muscle labeling G

n a crossed-extensor reflex, if the appropriate arm was grabbed it would certainly flex and also the left arm would ________. Prolong adduct abduct likewise flex

A reflex that reasons muscle relaxation and also lengthening in response to muscle anxiety is dubbed a ________. Crossed-extensor reflex flexor reflex plantar reflex Golgi tendon reflex

The patellar "knee jerk" reflex is an instance of a(n) ________. Crossed-extensor reflex large reflex extensor thrust reflex stress reflex

Reciprocal inhibition means that while one sensory nerve is stimulated, one more sensory neuron for synergistic muscle in the exact same area is inhibited and cannot respond. True False

A knee-jerk reflex the is unusually strong may be led to by ______. Inhibition of mutual inhibition transmission of excitatory signal from the brain to the neurons that form the femoral nerve suppression of muscle spindle task in the lower limb enhancement of task in the antagonistic muscles

Inborn or intrinsic reflexes space ________. Autonomic just rapid, predictable, and can it is in learned responses involuntary, yet might be modification by learned behavior constantly mediated by the brain


Which that the adhering to muscles could be stood for by that labeled F in the figure throughout the patellar (knee jerk) reflex? rectus femoris tibialis anterior soleus biceps femoris

The nerve yarn labeled B and also C space both classified as which the the following? alpha efferent fibers type Ia fibers form II yarn gamma efferent fibers

The synapse between which of the following two neurons is a part of a monosynaptic reflex arc? B and also C A and D A and B

What is the specific function of the structure labeled E? enhancing tension that the antagonistic muscle boosting tension of the surrounding muscle determination of muscle anxiety determination the muscle length

figure below, i m sorry letter points to an afferent neuron? A B C D

Which the the adhering to is the correct basic spinal reflex arc? effector, afferent neuron, integration center, efferent neuron, receptor receptor, efferent neuron, integration center, afferent neuron, effector receptor, afferent neuron, integration center, efferent neuron, effector effector, efferent neuron, integration center, afferent neuron, receptor

Which that the adhering to does NOT take place as human being age? Peripheral nerves dice off. Reflexes occur much more slowly. Sensory receptor atrophy. Muscle ton in the face and also neck starts to decrease.

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What components of the mind ultimately plan and coordinate complicated motor activities? cerebrum and basal nuclei cerebrum, cerebellum, and basal nuclei cerebellum and basal nuclei cerebrum and cerebellum

The cerebellum and also basal nuclei are connected in regulating engine activity, startingand protecting against movements, and also coordinating postural movements. True False

The knee-jerk reflex is an example of a __________. Big reflex tendon reflex flexor reflex superficial reflex

Which framework is affiliated in the segmental level of engine control? cerebellum mind stem basal nuclei spinal cord

Which that the following lists the pecking order of motor regulate from lowest to greatest level that control? precommand level, projection level, segmental level estimate level, precommand level, segmental level segmental level, forecast level, precommand level segmental level, precommand level, projection level

The thickest and also longest nerve in the body is the __________. Pudendal nerve femoral nerve obturator nerve sciatic nerve

The major nerve the controls breath is found in which nerve plexus? sacral lumbar brachial cervical

What type of nerve yarn are uncovered in the ventral ramus of a spinal nerve? autonomic just both sensory and also motor sensory just motor only

A loss or one improperly delivered gluteal injection could an outcome in ________. Neurofibromatosis phantom limb pain postpoliomyelitis muscular atrophy sciatica

Ralph sustained a foot injury in a bowling accident and also had to use crutches. Unfortunately, he never took the moment to learn just how to use them properly. After 2 weeks the use, he noticed his fingers were coming to be numb. Then he i found it his eight were getting weaker and also had a tingling sensation. What could be his problem? Compression of the musculocutaneous nerve (in the an ar of the armpit) may reason temporary cessation of worried transmission, often dubbed "Saturday night paralysis." Compression the the median nerve (in the region of the armpit) may reason temporary cessation of nervous transmission, often called "Saturday night paralysis." Pulling ~ above the brachial plexus is bring about weakness in the muscles of his arms, and also may result in paralysis. Compression the the radial nerve (in the an ar of the armpit) may cause temporary cessation of nervous transmission, often dubbed "Saturday night paralysis." The typical nerve is being compressed, making it complicated to pick up little objects, and also resulting in the tingling sensations in his fingers.

Compression of the radial nerve (in the an ar of the armpit) may reason temporary cessation of worried transmission, often dubbed "Saturday night paralysis."

If the ventral source of a spinal nerve were cut, what would be the an outcome in the tissue or region that nerve supplies? a finish loss of sensation and movement a complete loss the voluntary activity loss of no sensation nor movement but only that autonomic control finish loss the sensation

The flexor muscles in the anterior eight (biceps brachii and also brachialis) are innervated through what nerve? radial average ulnar musculocutaneous

The sciatic nerve is a mix of which two nerves? pudendal and posterior femoral cutaneous posterior femoral cutaneous and also tibial pudendal and common fibular typical fibular and also tibial

Striking the "funny bone" is in reality stimulation the (or injury to) the ________. Radial nerve ulnar nerve average nerve sciatic nerve

Spinal nerves exiting the cord from the level that L4 to S4 type the ________. Sacral plexus femoral plexus thoracic plexus lumbar plexus