Lab Practical 3

Identify the muscle. Mentalis Buccinator Risorius Temporalis Masseter

Masseter

Which cranial nerve carries visual information from the eyeball to the brain? Vestibulocochlear nerve Olfactory nerve Optic nerve Oculomotor nerve

Optic nerve

Identify the muscle labeled B. Pectoralis major Serratus anterior Coracobrachialis Deltoid Pectoralis minor

Pectoralis major

What muscle is letter C? Pectoralis major Serratus anterior Coracobrachialis Deltoid Pectoralis minor

Pectoralis minor

Identify the muscle labeled "g." Rhomboid major Trapezius Latissimus dorsi Levator scapulae

Rhomboid major

Which muscle flexes the thigh and leg, abducts and laterally rotates the thigh? Iliacus Sartorius Adductor longus Gracilis Pectineus

Sartorius

Identify the muscle labeled "n." Gracilis Semitendinosus Biceps femoris Gastrocnemius

Semitendinosus

What muscle is letter D? Pectoralis major Serratus anterior Coracobrachialis Deltoid Pectoralis minor

Serratus anterior

Identify the muscle. Splenius cervicis Sternocleidomastoid Splenius capitis Scalenes Trapezius

Sternocleidomastoid

Identify the muscle labeled A. Teres minor Teres major Supraspinatus Infraspinatus Latissimus dorsi

Supraspinatus

Identify the muscle labeled D. Supraspinatus Latissimus dorsi Infraspinatus Teres major Teres minor

Teres major

Which muscle is highlighted? serratus anterior latissimus dorsi external oblique gluteus maximus

external oblique

Which layer of the eye is indicated by letter A? neural vascular fibrous

fibrous

Which of these is the function of the external oblique muscles? elevate and adduct scapula in synergy with superior fibers of trapezius pull ribs toward one another to elevate the rib cage extend vertebral column and head and rotates them to opposite sides flex vertebral column and compress abdominal wall

flex vertebral column and compress abdominal wall

Which muscle is highlighted? fibularis brevis fibularis longus gastrocnemius soleus

gastrocnemius

Which muscle is highlighted? quadratus femoris gluteus maximus piriformis latissimus dorsi

gluteus maximus

Which muscle is highlighted? semitendinosus gluteus maximus biceps femoris gluteus medius

gluteus medius

Paralysis of which of the following muscles would make an individual unable to flex the knee? brachioradialis hamstring muscles soleus gluteal muscles

hamstring muscles

Which of the following carries no sensory information? hypoglossal nerve trigeminal nerveves tibulocochlear nerve optic nerve

hypoglossal nerve

The eye muscle that rotates the eye upward and turns the eye laterally is the ________. inferior oblique lateral rectus superior oblique medial rectus

inferior oblique

Name the muscle at D. medial rectus lateral rectus inferior rectus superior oblique

inferior rectus

Which muscle is highlighted? internal oblique rectus abdominis external oblique iliopsoas

internal oblique

Name this muscle. latissimus dorsi deltoid trapezius pectoralis major

latissimus dorsi

Which of the following is NOT a muscle primarily involved in the breathing process? diaphragm latissimus dorsi internal intercostal external intercostal

latissimus dorsi

Which muscle is highlighted? supraspinatus trapezius levator scapulae splenius capitis

levator scapulae

The ________ is the main chewing muscle. buccinator masseter lateral pterygoid hyoglossus

masseter

Which muscle is highlighted? zygomaticus risorius omohyoid (superior belly) masseter

masseter

Mixed cranial nerves containing both motor and sensory fibers include all EXCEPT which of the following? olfactory oculomotor trigeminal facial

olfactory

A patient is suffering from the inability to distinguish various types of odors. This patient may have damage to which of the following? hypoglossal nerve (XII) olfactory nerve (I) facial nerve (VIII) vagus nerve (X)

olfactory nerve (I)

Which muscle is highlighted? orbicularis oris buccinator orbicularis oculi mentalis

orbicularis oris

Which muscle is highlighted? sartorius external oblique rectus abdominis internal oblique

rectus abdominis

Which of the following muscles fixes and stabilizes the pelvis during walking? rectus abdominis internal oblique transversus abdominis external oblique

rectus abdominis

Which muscle acts as both a knee (leg) extensor and hip (thigh) flexor? biceps femoris gluteus maximus vastus lateralis rectus femoris

rectus femoris

Which muscle is highlighted? rhomboid major rhomboid minor supraspinatus trapezius

rhomboid major

Name this muscle. rectus femoris gracilis biceps femoris sartorius

sartorius

Name the largest portion of the fibrous layer.

sclera

Identify the parts of the fibrous layer.

sclera and cornea

Which muscle is highlighted? semitendinosus semimembranosus gluteus medius gracilis

semitendinosus

Which of these muscles is visible in the figure but NOT indicated by a letter? internal oblique external oblique serratus anterior transversus abdominis

serratus anterior

Which muscle is deep to the gastrocnemius? Semimembranosus Rectus femoris Soleus Flexor digitorum longus

soleus

The major head flexor muscles are the __________. sternocleidomastoid muscle scalene muscles splenius muscles trapezius muscles

sternocleidomastoid muscle

Which rotator cuff muscle is correctly paired with its action? subscapularis; medial rotation infraspinatus; abduction supraspinatus; lateral rotation teres minor; adduction

subscapularis; medial rotation

Which muscle is highlighted? teres major supraspinatus latissimus dorsi deltoid

supraspinatus

four rotator cuff muscles

supraspinatus, infraspinatus, teres minor, and subscapularis

Which muscle is highlighted? tensor fasciae latae iliopsoas rectus femoris vastus lateralis

tensor fasciae latae

The ________ is a synergist of the latissimus dorsi; it extends, medially rotates, and adducts the humerus. teres minor infraspinatus teres major supraspinatus

teres major

Which of the following is not a rotator cuff muscle? infraspinatus teres major subscapularis supraspinatus

teres major

Which structure contains the blood vessels that nourish all layers of the eye? the cornea the aqueous humor the choroid the ciliary body

the choroid

As a cook chops red onions he begins to tear up due to activation of the lacrimal gland. Which of the following nerves provided the stimulus? the optic nerve (II) the olfactory nerve (I) the vagus nerve (X) the facial nerve (VII)

the facial nerve (VII)

A patient has lost the ability to taste food. Which nerve may have been damaged? the abducens nerves trigeminal nerves the optic nerves the facial nerves

the facial nerves

Which of the following muscles inserts to the posterior calcaneus via the calcaneal tendon? the semitendinosus the tibialis anterior the gastrocnemius the sartorius

the gastrocnemius

A doctor asks her patient to follow the motion of her finger as she moves it up and down, left and right. Which of the following cranial nerves is NOT being tested? the vestibulocochlear nerve (VIII) the oculomotor nerve (III) the trochlear nerve (IV) the abducens (VI)

the vestibulocochlear nerve (VIII)

An emergency medical technician is examining a trauma victim by shining a pen light into her patient's eye. She records the reactivity of the patient's pupils as they constrict when stimulated by the light. This test supports which of the following? The patient has lost function of the optic nerve (II). The patient has function of the oculomotor nerve (III). The patient has function of the trochlear nerve (IV). The patient has suffered brain damage.

The patient has function of the oculomotor nerve (III).

Which letter represents the biceps brachii muscle? A B C D

A

Which muscle is a prime mover of arm abduction? A B C D

A

Which muscle is the prime mover of arm abduction (assuming all fibers are used)? A B C D

A

Identify the choroid. A B C D

B

Which of the following letters represents the infraspinatus muscle? A B C D

B

Which of the following letters represents the sartorius muscle? A B C D

B

Which muscle is a lateral hamstring? Semitendinosus Gracilis Biceps femoris Tibialis anterior

Biceps femoris

Identify the muscle labeled D. Pectoralis major Brachialis Brachioradialis Deltoid Biceps brachii

Brachialis

Identify the layer that contains both a single-celled pigmented layer and a neural layer. A B C D

C

Which muscle would be a prime mover of knee extension? A B C D

C

Identify the muscle labeled "h." Rectus femoris Vastus medialis Extensor digitorum longus Tibialis anterior

Tibialis anterior

___ is a powerful forearm extensor at the elbow joint. Biceps brachii Brachioradialis Triceps brachii Brachialis

Triceps brachii

Which of the following cranial nerves carries only motor information? optic abducens trigeminal olfactory

abducens

Which of the following muscles is a flexor of the thigh at the hip? tibialis posterior gluteus maximus adductor magnus vastus lateralis

adductor magnus

What is an action of the highlighted muscle at the hip? adducts the thigh extends the thigh abducts the thigh laterally rotates the thigh

adducts the thigh

Which muscle is highlighted? brachialis triceps brachii deltoid biceps brachii

biceps brachii

Which muscle is highlighted? biceps femoris semitendinosus semimembranosus vastus lateralis

biceps femoris

Which muscle is represented by the letter D? gracilis semitendinosus biceps femoris semimembranosus

biceps femoris

Which of the following is a hamstring muscle? vastus medialis biceps femoris vastus lateralis rectus femoris

biceps femoris

The primary function of the deep muscles of the thorax, such as the intercostals, is to promote __________.

breathing

The ________ helps keep food between the grinding surfaces of the teeth during chewing. mentalis buccinator orbicularis oris risorius

buccinator

Which structure is NOT matched with its function? iris: allow light into eye retina: senses light choroid: circulatory layer ciliary body: focus the pupil

ciliary body: focus the pupil

Identify the action of the muscle at A. compress the abdomen twist the trunk extend the spine flex the spine

compress the abdomen

Identify the action of the muscle at A. flex the spine extend the spine compress the abdomen twist the trunk

compress the abdomen

Identify the structure that allows light to first enter the eye.

cornea

Which pair below is incorrect? cranial nerve III: pupillary constriction optic nerve: sensory cranial Nerve IV: sensory cranial nerve III: oculomotor nerve cranial nerve VI: eye movement

cranial Nerve IV: sensory

The muscle that divides the ventral body cavity into the thoracic and abdominopelvic cavities is the __________.

diaphragm

What is a function of the highlighted muscle? flexes neck elevates mandible elevates hyoid depresses hyoid

elevates hyoid

Select the correct actions of this muscle. extends the knee and flexes the thigh abducts and medially rotates the thigh flexes, abducts, and laterally rotates the thigh extends, abducts, and laterally rotates the thigh

extends, abducts, and laterally rotates the thigh

The latissimus dorsi ________. extends, flexes, abducts, and medially and laterally rotates the shoulder protracts the shoulder and rotates the scapula extends, adducts, and medially rotates the shoulder depresses and protracts the shoulder

extends, adducts, and medially rotates the shoulder

The supraspinatus is named for its location on the posterior aspect of the scapula above the spine. What is its action? to flex and adduct the humerus and to act as a synergist of the pectoralis major to help hold the head of the humerus in the glenoid cavity and rotate the humerus laterally to initiate abduction of the arm, to stabilize the shoulder joint and to help prevent downward dislocation of the humerus to extend and medially rotate the humerus and to act as a synergist of the latissimus dorsi

to initiate abduction of the arm, to stabilize the shoulder joint and to help prevent downward dislocation of the humerus

The ________ runs deep to the internal oblique. external oblique rectus abdominis latissimus dorsi transversus abdominis

transversus abdominis

Which of the following muscles is NOT shown on this image? teres major latissimus dorsi trapezius levator scapulae

trapezius

The main forearm extensor is the __________. biceps brachii brachilais triceps brachii coracobrachialis

triceps brachii

Which cranial nerve innervates most of the visceral organs? accessory abducens hypoglossal vagus

vagus

Which muscle is highlighted? rectus femoris vastus lateralis vastus intermedius adductor longus

vastus intermedius

Problems in balance may follow trauma to which nerve? vestibulocochlear abducens accessory trigeminal

vestibulocochlear

Which cranial nerve transmits auditory information? vagus abducens vestibulocochlear optic

vestibulocochlear