PSIO 201 PRACTICAL 3 EXAM - QUESTIONS AND CORRECT DETAILED ANS: WERS

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PSIO 201 PRACTICAL 3 EXAM 2024-2025 -

QUESTIONS AND CORRECT DETAILED ANS: WERS

Quiz Frontalis

Ans: : Raises eyebrows

Quiz Occipitalis

Ans: : draw scalp posteriorly

Quiz Orbicularis oculi

Ans: : blinking

Quiz orbicularis oris

Ans: : kissing/puckering mouth

Quiz Zygomaticus major

Ans: : smiling

Quiz zygomaticus minor

Ans: : snarling/raise upper lip

Quiz platysma

, Ans: : depresses lower lip and mandible; tenses neck skin

Quiz temporalis

Ans: : elevates and retracts mandible

Quiz masseter

Ans: : elevates and protracts mandible

Quiz sternocleidomastoid

Ans: : 1 side contracts--head rotates
2 sides contract-flexion of head

Quiz rectus abdominis

Ans: : flexes vertebral column, compresses abdomen

Quiz external oblique

Ans: : rotation of trunks, flexion of vertebral column, compression of abdomen

Quiz internal oblique

Ans: : rotation of trunk, flexion of vertebral column, compression of abdomen

Quiz erector spinae (Iliocostalis group, longissimus group, spinals group)

Ans: : 1 side contracts--Rotate vertebral column
both sides contract--extend vertebral column/ maintain erect posture

Quiz diaphragm

Ans: : normal inspiration

Quiz external intercostals

Ans: : forced inspiration

Quiz internal intercostals

Ans: : forced expiration

Quiz pectoralis minor

Ans: : depresses and protracts scapula

Quiz trapezius