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