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IUPUI BIOL N261 LAB 2 FINAL EXAM 2025
PROCTORED REAL EXAM QUESTIONS AND
DETAILED ANSWERS|BRAND NEW!!
Trapezius
- ANSWER>>> Extends and abducts head, and adducts scapula, fixes scapula Deltoid (^) - ANSWER>>> Abducts arm; flexes, extends, medially and laterally rotates arm Pectoralis major - ANSWER>>> Flexes, adducts, and medially rotates arm Pectoralis minor (^) - ANSWER>>> Depress glenoid cavity, raises ribs 3- 5 Latissimus dorsi - ANSWER>>> Extends, adducts, and medially rotates arm; draws shoulder inferiorly Supraspinatus - ANSWER>>> Abducts arm, helps stabilizes shoulder joint Infraspinatus - ANSWER>>> Laterally rotates arm, stabilizes shoulder joint Subscapularis - ANSWER>>> Medially rotates arm, stabilizes shoulder joint Teres minor - ANSWER>>> Laterally rotates and adducts arm, stabilizes shoulder joint Biceps brachii - ANSWER>>> Flexes arm, flexes forearm, supinates hand Triceps brachii - ANSWER>>> Extends and adducts arm, extends forearm Coracobrachialis - ANSWER>>> Flexes and adducts arm
Brachioradialis - ANSWER>>> Flexes forearm Supinator - ANSWER>>> Supinates hand Pronator teres - ANSWER>>> Pronates hand, flexes forearm Palmaris longus - ANSWER>>> Flexes hand Flexor carpi radialis - ANSWER>>> Flexes and abducts hand Flexor carpi ulnaris - ANSWER>>> Flexes and adducts hand Flexor digitorum superficialis - ANSWER>>> Flexes proximal and middle phalanges, flexes hand Flexor pollicis longus - ANSWER>>> Flexes thumb Extensor carpi radialis longus - ANSWER>>> Extends and abducts hand Extensor carpi radialis brevis - ANSWER>>> Extends and abducts hand Extensor carpi ulnaris - ANSWER>>> Extends and adducts hand Extensor digitorum - ANSWER>>> Extends phalanges, extends hand Abductor pollicis longus - ANSWER>>> Abducts thumb Extensor pollicis longus and brevis (^) - ANSWER>>> Extends thumb Teres major - ANSWER>>> Extends, adducts, and medially rotates arm The 4 rotator cuff muscles - ANSWER>>> - Supraspinatus
- Infraspinatus
- Sunscapularis
- Teres minor
Vastus intermedius - ANSWER>>> Extends leg. Deep to rectus femoris Vastus medialis - ANSWER>>> Extends leg Tensor fasciae latae - ANSWER>>> Flexes, abducts, and medially rotates thigh Gluteus medius - ANSWER>>> Abducts and medially rotates thigh Gluteus minimus - ANSWER>>> Abducts and medially rotates thigh. Deep to gluteus medius The 3 hamstring muscles - ANSWER>>> - Biceps femoris (long and short head)
- Semitendinosus
- Semimembranosus Biceps femoris - ANSWER>>> Extends thigh, flexes leg Semitendinosus - ANSWER>>> Extends thigh, flexes leg Semimembranosus - ANSWER>>> Extends thigh, flexes leg Gastrocnemius - ANSWER>>> Flexes leg, plantar flexes foot Soleus - ANSWER>>> Plantar flexes foot Plantaris (^) - ANSWER>>> Flexes leg, plantar flexes foot Tibialis posterior - ANSWER>>> Plantar flexes and inverts foot Flexor digitorum longus - ANSWER>>> Flexes toes, plantar flexes and inverts foot Flexor hallucis longus - ANSWER>>> Flexes hallux, inverts foot Gluteus maximus - ANSWER>>> Extends and laterally rotates thigh, braces knee
Tibialis anterior - ANSWER>>> Dorsiflexes and inverts foot Extensor digitorum longus - ANSWER>>> Extends toes, dorsiflexes foot Extensor hallucis longus - ANSWER>>> Extends hallux, dorsiflexes foot Fibularis longus - ANSWER>>> Plantar flexes and everts foot Levator scapulae - ANSWER>>> Elevates scapula, abducts and rotates neck Sternocleidomastoid - ANSWER>>> Rotates and flexes head Sternohyoid - ANSWER>>> Depresses hyoid Sternothyroid - ANSWER>>> Depresses thyroid cartilage Omohyoid (superior and inferior belly) - ANSWER>>> Depresses hyoid Platysma - ANSWER>>> Depresses lower lip, opens jaw Digastric (anterior and posterior belly) - ANSWER>>> Elevates, protracts, retracts hyoid; opens mandible Frontalis - ANSWER>>> Raises eyebrows, draws scalp anteriorly Occipitalis (^) - ANSWER>>> Draws scalp posteriorly Temporalis - ANSWER>>> Closes mandible Masseter - ANSWER>>> Closes mandible Orbicularis oculi - ANSWER>>> Closes eyelid Scalenes (anterior, middle, and posterior) - ANSWER>>> Flexes and rotates neck, elevates rib 1 and 2
The 4 ab muscles - ANSWER>>>
- External abdominal oblique
- Internal abdominal oblique
- Transversus abdominis
- Rectus abdominis Serratus anterior - ANSWER>>> Abducts scapula, rotates scapula to elevate shoulder External intercostals - ANSWER>>> Elevates ribs (increases volume in thorax) Internal intercostals - ANSWER>>> Depresses ribs (decreases volume in thorax) The erector spinae (I love spagetti) muscles
- ANSWER>>>
Iliocostal is
Longissim us
Spinali s Iliocostalis - ANSWER>>> Extends and rotates vertebral column and head Longissimus - ANSWER>>> Extends and rotates vertebral column and head Spinalis - ANSWER>>> Extends and rotates vertebral column and head Rhomboideus major - ANSWER>>> Adducts scapula (draws scapulae together)
Rhomboideus minor - ANSWER>>> Adducts scapula (draws scapulae together) Splenius - ANSWER>>> Extends and rotates head Rectus sheath
- ANSWER>>> Encloses the abdominal muscles Linea alba - ANSWER>>> Verically divides the right and left side of rectus abdominis Tendinous intersections - ANSWER>>> Small connective tissue bands which run horizontally across rectus abdominis The 5 hip lateral rotator muscles - ANSWER>>> - Piriformis
- Gemellus superior
- Orbturator internus
- Gemellus inferior
- Quadratus femoris Brachialis - ANSWER>>> Flexes forearms Flexor digitorum profundus - ANSWER>>> Flexes phalanges, flexes hand Galea aponeurotica - ANSWER>>> Tendinous sheet on superior aspect of scull Cardiac muscle branching fibers - ANSWER>>> Intercalated disk - ANSWER>>> Skeletal muscle - ANSWER>>> Central canal - ANSWER>>> Nissil bodies - ANSWER>>> Taste buds - ANSWER>>>
Cerebellum - ANSWER>>> Cerebral peduncle/ midbrain - ANSWER>>> Pons - ANSWER>>> Medulla oblongata - ANSWER>>> Septum pellucidum (^) - ANSWER>>> Olfactory bulb (I) - ANSWER>>> Optic nerve (II) - ANSWER>>> Oculomotor nerve (III) (^) - ANSWER>>> Trochlear nerve (IV) - ANSWER>>> Trigeminal nerve (V) - ANSWER>>> Abducens nerve (VI) - ANSWER>>> Facial nerve (VII) - ANSWER>>> Vestibulocochlear nerve (VIII) - ANSWER>>> Glossopharyngeal nerve (IX) - ANSWER>>> Vagus nerve (X) - ANSWER>>> Hypoglossal nerve (XII) - ANSWER>>> Accessory nerve (XI) - ANSWER>>> Posterior median sulcus - ANSWER>>> Posterior gray horn (^) - ANSWER>>> Gray commisure - ANSWER>>> Lateral column - ANSWER>>>
Central canal - ANSWER>>> Dorsal column - ANSWER>>> Dorsal root of spinal nerve - ANSWER>>> Dorsal root ganglion - ANSWER>>>
Sclera - ANSWER>>> | Page Lens - ANSWER>>> Helix - ANSWER>>> Auricle - ANSWER>>> Tympanic membrane - ANSWER>>> Auditory canal (^) - ANSWER>>> Stapes (3) - ANSWER>>> Incus (2) - ANSWER>>> Malleus (1) (^) - ANSWER>>> Semicircular ducts - ANSWER>>> Oval window - ANSWER>>> Vestibular nerve - ANSWER>>>
| Page Cochlear nerve - ANSWER>>> Vestibule (^) - ANSWER>>> Cochlea - ANSWER>>> Round window - ANSWER>>> Tympanic cavity (^) - ANSWER>>> Auditory tube - ANSWER>>> Scala vestibuli (with perilymph) - ANSWER>>> Cochlear duct (with endolymph) - ANSWER>>> Scala tympani (with perilymph) - ANSWER>>> Basilar membrane - ANSWER>>>
