Combo Exam 3 Labs

Where is the subarachnoid space located? a. Between the arachnoid mater and the pia matter b. Between the dura mater and the arachnoid mater c. Between the dura mater and the pia mater d. Between the pia matter and the subdural space

a. Between the arachnoid mater and the pia matter

The tensor fascia latae is involved in hip __________. a. abduction b. extension c. lateral rotation d. adduction

a. abduction

The origin of the rectus femoris is the ____________. a. anterior inferior iliac spine b. greater trochanter c. linea aspera d. anterior femu

a. anterior inferior iliac spine

At the completion of supinator action, the palm is turned __________. a. anteriorly b. medially c. laterally d. posteriorly

a. anteriorly

The muscle that generates the most power during elbow flexion is the __________. a. brachialis b. biceps brachii c. triceps brachii d. brachioradialis

a. brachialis

The cerebrospinal fluid from the fourth ventricle will drain, at the level of the medulla oblongata, into this space that runs longitudinally through the length of the entire spinal cord: a. central canal b. choroid plexus c. cerebellar aqueduct d. interventricular foramina

a. central canal

What is the name given to the slender canal that connects the third ventricle with the fourth ventricle? a. cerebral aqueduct b. tentorium cerebelli c. choroid plexus d. falx cerebri

a. cerebral aqueduct

What is the function of the trigeminal nerve? a. chewing b. vision c. smell d. eye movement

a. chewing

Which structure secretes cerebrospinal fluid into the ventricular system? a. choroid plexus b. amygdala c. brachial plexus d. conus medullaris

a. choroid plexus

What is the function of the basal ganglia? a. coordination of voluntary motor activity b.relay sensory information to the cortex c. control respiration and blood pressure d. control of autonomic centers

a. coordination of voluntary motor activity

Even though almost completely separated, the two cerebral hemispheres are connected by a thick band of white matter called the: a. corpus callosum b. falx cerebri c. infundibulum d. basal ganglia

a. corpus callosum

The gluteus maximus is the most powerful muscle during __________. a. extension b. lateral rotation c. medial rotation d. flexion

a. extension

Which of the following muscles produces extension of the finger joints and wrist? a. extensor digitorum b. triceps brachii c. aconeus d. brachioradialis

a. extensor digitorum

The soleus muscle shares an insertion with the __________. a. gastrocnemius muscle b. flexor digitorum longus c. flexor hallucis longus d. fibularis longus muscle

a. gastrocnemius muscle

Which sensation(s) does the vestibulocochlear nerve carry? a. hearing and equilibrium b. equilibrium c. blood pressure d. hearing e. taste

a. hearing and equilibrium

A patient develops a tumor of a cranial nerve that leads to difficulty in speaking from a loss of tongue movement. Which cranial nerve is affected? a. hypoglossal b. spinal accessory c. vagus d. trigeminal e. glossopharyngeal

a. hypoglossal

The external intercostals elevate the rib cage during __________. a. inspiration b. expiration c. both expiration and inspiration d. neither inspiration nor expiration

a. inspiration

The rectus femoris muscle extends the leg at the __________. a. knee b. elbow c. ankle d. hip

a. knee

The tensor fasciae latae stabilizes the hip joint and the __________ joint. a. knee b. elbow c. sacral d. ankle

a. knee

Which of the following is a function of the hypothalamus? a. maintains body homeostasis b. relays sensory information to the cerebral cortex c. controls voluntary movement d. secretes melatonin

a. maintains body homeostasis

Which hormone, secreted by the pineal gland, is involved in regulating your circadian rhythm? a. melatonin b. melanin c. serotonin d. insulin

a. melatonin

The semitendinosus muscle lies ______________ to the semimembranosus muscle. a. posterior b. lateral c. anterior d. deep

a. posterior

Jean needs to have a tooth in her mandible filled. Her dentist injects a local anesthetic to block pain afferents in one of her cranial nerves. What cranial nerve does the dentist numb? a. trigeminal b. trochlear c. glossopharyngeal d. facial e. hypoglossal

a. trigeminal

When the patient shows a normal pupillary reflex, with symmetrical constriction of both pupils in response to bright light, it indicates that cranial nerve ____________ is intact. a. III b. IV c. V d. IX

a.III

This structure filters and relays sensory information to the cerebral cortex: a.Thalamus b. Hypothalamus c. Basal ganglia d. Mesencephalon

a.Thalamus

What is the function of mamillary bodies? a.control of feeding reflexes b. regulate blood pressure and heart rate c. secrete melatonin d. coordination of voluntary movement

a.control of feeding reflexes

What will be the result of a lesion in the left precentral gyrus? a.paralysis of the right side of the body b. paralysis of the left of the body c. loss of sensation from the right side of the body d. loss of sensation from the left side of the body e. expressive (Broca's) aphasia

a.paralysis of the right side of the body

inferior colliculi

auditory localization

This cranial nerve conveys only sensory information: a. IV b. I c. V d. IX e. X

b. I

The dorsal root of a spinal nerve contains: a. axons of motor neurons b. axons of sensory neurons c. cell bodies of motor neurons d. cell bodies of sensory neurons

b. axons of sensory neurons

What are the name of the structures in the medulla oblongata located on each side of the central canal? a. superior coliculli b. dorsal column nuclei c. mamillary bodies

b. dorsal column nuclei

What is the name of the fold of dura matter located between the left and the right cerebral hemispheres? a. cerebellar tentorium b. falx cerebri c. corpus callosum d. cerebral aqueduct

b. falx cerebri

The origin of the external obliques includes ribs __________. a. seven through twelve b. five through twelve c. six through twelve d. eight through twelve

b. five through twelve

Movement of the elbow joint movement is limited to __________. a. extension and pronation b. flexion and extension c. pronation and supination d. supination and flexion

b. flexion and extension

The actions of the internal intercostals are most important during __________. a. forced inspiration b. forced expiration c. normal inspiration d. normal expiration

b. forced expiration

The central sulcus separates which brain lobes? a. frontal from temporal b. frontal from parietal c. parietal from occipital d. temporal from parietal

b. frontal from parietal

Which of the following muscles is NOT part of the hamstring group? a. biceps femoris b. gluteus medius c. semimembranosus d. semitendinosus

b. gluteus medius

The majority of the fibers of the gluteus maximus insert onto the __________. a. inferior border of the os coxae b. ileotibial tract c. superior border of the os coxae d. gluteal tuberosity

b. ileotibial tract

Which muscle produces the same action (synergist) as the teres minor? Which muscle produces the same action (synergist) as the teres minor? a. teres major b. infraspinatus c. trapezius d. latissimus dorsi

b. infraspinatus

The transversus abdominus muscle is innervated by the __________. a. left scapular nerve b. intercostals nerves c. thoracic nerve d. inguinal nerve

b. intercostals nerves

The tract that links the pons with the cerebellum is the a. superior cerebelar peduncle b. middle cerebellar peduncle c. inferior cerebellar peduncle d. main cerebral peduncle

b. middle cerebellar peduncle

What is the function of the olive? a. transfer descending motor information b. motor learning c. transfer ascending sensory information

b. motor learning

The action of this muscle includes flexion, adduction and medial rotation at the shoulder. a. sternocleidomastoid b. pectoralis major c. palmaris longus d. biceps brachii

b. pectoralis major

What is the name given to the complex, interwoven network formed by the union of the ventral rami of several neighboring spinal nerves? a. autonomic nerve b. plexus c. tract d. horn

b. plexus

All fibers of the semimembranosus muscle converge to insert on the __________. a. anterior tibia b. posterior tibia c. posterior femur d. anterior femur

b. posterior tibia

Which of the following is NOT part of the adductor group? a. gracilis b. sartorius c. adductor longus d. pectineus

b. sartorius

Which of the following muscles is NOT part of the quadriceps femoris group? a. rectus femoris b. tensor fasciae latae c. vastus medialis d. vastus lateralis

b. tensor fasciae latae

What is the name of the dural septum (indicated in the figure) that separates the cerebellum from the cerebrum? a. falx cerebri b. tentorium cerebellum c.corpus callosum

b. tentorium cerebellum

The gastrocnemius muscle is innervated by the __________. a. ulnar nerve b. tibial nerve c. plantar nerve d. fibular nerve

b. tibial nerve

Which of the following muscles produces dorsiflexion when contracted? a. gastrocnemius b. tibialis anterior c. soleus d. extensor digitorum longus

b. tibialis anterior

Which of the following symptoms would you associate with damage to the spinal accessory nerve? a. loss of the sense of taste b. weakness of the sternocleidomastoid muscle c. tooth pain d. dry mouth from lack of saliva e. lack of facial expression

b. weakness of the sternocleidomastoid muscle

________ is a condition resulting from an inflammation of the facial nerve (CN VII). a. Addison's disease b. Gout c. Bell's palsy d. Hydrocephalus e. Cerebral palsy

c. Bell's palsy

The information carried by the spinal nerves is: a. purely sensory. b. involuntary. c. both sensory and motor. d. purely motor.

c. both sensory and motor

The collection of spinal nerves below the end of the spinal cord is known as the: a. conus medullaris b. filum terminale c. cauda equina

c. cauda equina

The dorsal root ganglia mainly contain: a. axons of motor neurons b. axons of sensory neurons c. cell bodies of motor neurons d. cell bodies of sensory neurons e. synapses

c. cell bodies of sensory neurons

The pons contains tracts that connect the brainstem with the: a. medulla oblongata b. thalamus c. cerebellum d. diencephalon

c. cerebellum

The cerebral cortex is part of the: a. diencephalon b. cerebellum c. cerebrum d. midbrain

c. cerebrum

Which of the following is NOT an action of the trapezius? a. elevate, retract, depress, and rotate scapula upward NOTE: Retracting both scapulae gives a sensation of "squeezing the shoulder blades together." b. elevate scapula c. circumduction of scapula NOTE: Movement of the shoulder in a circular motion so that if the elbow and fingers are fully extended the subject draws a circle in the air lateral to the body. d. extention of neck

c. circumduction of scapula NOTE: Movement of the shoulder in a circular motion so that if the elbow and fingers are fully extended the subject draws a circle in the air lateral to the body.

The actions of the internal obliques include __________. a. compression of the rib cage to assist in forced expiration b. compression of the rib cage to assist in forced inspiration c. compression of the abdomen to assist in forced expiration d. compression of the abdomen to assist in forced inspiration

c. compression of the abdomen to assist in forced expiration

What is the name of the tough, fibrous, outermost covering of the spinal cord? a. arachnoid matter b. pia matter c. dura matter d. filum terminale

c. dura matter

The action of the extensor digitorum longus muscle is to __________. a. plantar flex the foot b. flex the digits c. extend digits d. invert the foot

c. extend digits

The semimembranosus __________ the thigh at the hip and __________ the leg at the knee. a. flexes; extends b. abducts; flexes c. extends; flexes d. adducts; extends

c. extends; flexes

What is the name of this structure that, though extending from the end of the spinal cord, contains no neural component, only fibrous connective tissue? a. conus medullaris b. cervical enlargement c. filum terminale d. cauda equina

c. filum terminale

Both heads of the biceps femoris muscle __________. a. extend the leg at the knee b. extend the hip c. flex the leg at the knee d. flex the hip

c. flex the leg at the knee

The tibialis anterior muscle dorsiflexes the foot at the ankle and also assists in __________ of the foot. a. plantar flexion b. extension c. inversion d. eversion

c. inversion

The two cerebral hemispheres are separated by the: a. transverse fissure b. central sulcus c. longitudinal fissure d. postcentral gyrus

c. longitudinal fissure

The masseter muscle originates on the __________. a. inferior border of the zygomatic arch only b. medial and lateral surfaces of the maxilla and the inferior and superior border of the zygomatic arch c. medial surfaces of the maxilla and the zygomatic arch as well as the inferior border of the zygomatic arch d. medial surface of maxilla, but not the zygomatic arch

c. medial surfaces of the maxilla and the zygomatic arch as well as the inferior border of the zygomatic arch

The three structures that form the brainstem are: a. thalamus, hypothalamus, and amygdala b. mesencephalon, cerebellum, and tectum c. midbrain, pons, medulla oblongata d. midbrain, forebrain, and medulla oblongata

c. midbrain, pons, medulla oblongata

What kind of information is processed by the neurons located in the ventral horns of the spinal cord? a. sensory b. autonomic information c. motor d. both sensory and motor

c. motor

To allow for flexion, the __________ unlocks the knee joint. a. semimembranosus b. sartorius c. popliteus d. biceps femoris

c. popliteus

The biceps femoris is located in the __________. a. anterior thigh b. anterior arm c. posterior thigh d. posterior arm

c. posterior thigh

The origins of the rectus abdominus muscle are on the __________. a. ileum bone b. sacral bone c. pubic bone d. ischial bone

c. pubic bone

The piriformis originates on the __________ and inserts on the __________. a. sacrum; lesser trochanter of the femur b. ischium; lesser trochanter of the femur c. sacrum; greater trochanter of the femur d. ischium; greater trochanter of the femur

c. sacrum; greater trochanter of the femur

What kind of information is processed by the postcentral gyrus? a. motor b. visual c. somatosensory d. auditory

c. somatosensory

Information of which modality is conveyed by CN VIII? a. motor b. visceral c. special sensory d. mixed, sensory and motor

c. special sensory

The temporalis muscle originates on the __________ and inserts on the __________. a. temporal process; mandibular fossa b. zygomatic arch; temporal fossa c. temporal fossa; coronoid process of mandible d. temporal fossa; zygomatic arch

c. temporal fossa; coronoid process of mandible

The prime mover of elbow extension is the __________. a. biceps brachii b. anconeus c. triceps brachii d. brachialis

c. triceps brachii

Which of the following muscles does NOT flex the elbow (forearm)? a. brachioradialis b. brachialis c. triceps brachii d. biceps brachii

c. triceps brachii

The temporalis muscle is innervated by the mandibular branch of the __________. a. optic nerve b. trochlear nerve c. trigeminal nerve d. abducens nerve

c. trigeminal nerve

The grey area of the cerebral cortex is formed by: a. neuronal cell bodies b. dendrites c. synapses d. All of the above

d. All of the above

You would ask your patient to follow your finger from side to side, assesing smooth pursuit, if you want to test the following cranial nerve/s: a. III, V, and VI b. V and VI c. II d. III, IV, and VI

d. III, IV, and VI

From which nerve plexus does the sciatic nerve originate? a. Brachial plexus b. Cervical plexus c. Coccygeal plexus d. Lumbosacral plexus e Myenteric plexus

d. Lumbosacral plexus

What is the neurological disorder associated with the damage to substantia nigra neurons that synthesize dopamine? a. Alzheimer's disease b. myastenia gravis c. dementia d. Parkinson's disease

d. Parkinson's disease

Your patient is able to wrinkle his/her forehead and say "pa", this indicates that cranial nerve ___________ is intact. a. VI b. V c. XII d. VII

d. VII

Difficulty in swallowing may be a sign of damage to which cranial nerve(s)? a. vagus b. accessory c. hypoglossal d. all of the above

d. all of the above

The medulla oblongata regulates: a. food intake b. auditory reflexes c. vision and hearing d. blood pressure and respiration

d. blood pressure and respiration

What two brain structures are connected by the axons of the superior cerebellar peduncle? a. pons and cerebellum b. pons and medulla oblongata c. pons and red nucleus d. cerebellum and red nucleus

d. cerebellum and red nucleus

what is the function of the cerebellum? a. visual processing b. autonomic regulation of visceral function c. conscious thought processing d. coordination and refinement of learned motor patterns

d. coordination and refinement of learned motor patterns

Name the structure that connects both hemispheres a. interhemispheric fissure b. cerebral aqueduct c. tentorium cerebellum d. corpus callosum

d. corpus callosum

What kind of information is transmitted by the axons in this cerebral peduncles? a. ascending sensory information b. descending sensory information c. ascending motor information d. descending motor information e. mixed sensory and motor information

d. descending motor information

What is the function associated to this structure (Amydagla)? a. visual processing b. motor commands c. auditory localization d. emotions, fear

d. emotions, fear

The main action of the fibularis longus is to __________. a. dorsiflexes the foot b. invert the foot c. plantar flexes the foot d. evert the foot

d. evert the foot

What is the action of the gluteus maximus? a. adduction and lateral rotation of hip b. flexion and medial rotation of hip c. abduction and medial rotation of hip d. extension and lateral rotation of hip

d. extension and lateral rotation of hip

What is the function of the CN VI? a. chewing b. taste c. hearing d. eye movements

d. eye movements

The lateral rotators act on the __________. a. lumbar vertebrae b. sacrum c. os coxae d. femur

d. femur

The soleus muscle __________ the foot at the ankle and is innervated by the __________. a. extends; tibial nerve b. extends; fibular nerve c. flexes; fibular nerve d. flexes; tibial nerve

d. flexes; tibial nerve

The prime mover of hip extension is the __________. a. adductor magnus b. pectineus c. gracilis d. gluteus maximus

d. gluteus maximus

Which cranial nerve might be affected if he/she is not able to pronounce "ta" or cannot stick out his/her tongue? a. vestibulocochlear b. facial c. glossopharyngeal d. hypoglossal

d. hypoglossal

The long head of the biceps femoris muscle originates on the __________. a. anterior superior iliac spine b. posterior superior iliac spine c. iliac crest d. ischial tuberosity

d. ischial tuberosity

The origins of the lateral head of the gastrocnemius muscle are the __________. a. patellar surface and anterior surface of the femur b. medial condyle and posterior surface of the femur c. patellar surface and posterior surface of the femur d. lateral condyle and posterior surface of the femur

d. lateral condyle and posterior surface of the femur

The masseter is innervated by the _____________ branch of the trigeminal nerve. a.lingual b. maxillary c.ophthalmic d.mandibular

d. mandibular

The branches of the cervical plexus innervate the muscles of the: a. shoulder girdle and arm b. pelvic girdle and leg c. back and lumbar region d. neck, extending into the thoracic cavity to control the diafragm

d. neck, extending into the thoracic cavity to control the diafragm

Movement of the forearm includes __________. a. flexion and extension b. extension and pronation c. supination and flexion d. pronation and supination

d. pronation and supination

What consequence would you expect if the dorsal root of a spinal nerve is severed? a. output to skeletal muscles would be blocked. b. output to visceral organs would be blocked. c. the spinal cord would not be able to process information at that level. d. sensory input would be blocked.

d. sensory input would be blocked.

The two heads of the gastrocnemius muscle converge to insert onto __________. a. the posterior surface of the tibia b. the middle phalanx of digit one c. digits two through five d. the calcaneus

d. the calcaneus

Muscles that act on the knee joint form most of the mass of the __________. a. calf b. knee c. hip d. thigh

d. thigh

The semitendinosus muscle is innervated by the __________ nerve. a. coxal b. femoral c. patellar d. tibial portion of the sciatic

d. tibial portion of the sciatic

The cranial nerve that has three major branches is the a. facial. b. glossopharyngeal. c. vagus. d. trigeminal. e. abducens.

d. trigeminal.

Jean recently has experienced a significant reduction in her blood pressure. Overactivity of this cranial nerve could be responsible for her symptoms: a.accessory b. glossopharyngeal c. trigeminal d. vagus e. III and V.

d. vagus

What is the action of the gastrocnemius? a. extension of knee; flexion and medial rotation at hip b. dorsiflexion c. flexion of knee; extension and lateral rotation at hip d.plantar flexion

d.plantar flexion

The brachial plexus innervates the: a. thorax and arm b. thoracic viscerae c. pelvic girdle and leg d.shoulder girdle and arm

d.shoulder girdle and arm

sternocleidomastoid

has two bellies The clavicular head originates at the sternal end of the clavicles and the sternal head originates at the manubrium. It inserts on the mastoid region of the skull. Its action is to flex the neck.

superior colliculi

visual tracking