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Bio 115 Head and neck test 2 cnih 2 Exam 2024/2025 Questions With Completed & Verified Solutions.
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Bio 115 Head and neck test 2 cnih 2 Exam 2024/2025 Questions With Completed & Verified Solutions.
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Bio 115 Head and neck test 2 cnih 2How many cervical muscles are there? - ANS 2`
What are the cervical muscles? - ANS sternocleidomastoid and trapezius
What is the first cervical muscle? - ANS sternocleidomastoid
What is the point of origin for the sternocleidomastoid - ANS clavicle and sternum
what is the point of insertion for the sternocleidomastoid - ANS mastoid process of temporal
bone
What is the action for the sternocleidomastoid? - ANS bends and rotates head and neck. flexes
neck.
What is epislateral? - ANS same side
Whats is contra-lateral - ANS not the same side.
what is bilateral contract flexhead? - ANS extending it forward
what is unilateral contact - ANS bends head to epsilateral side.
What is the 2nd cervical muscle - ANS trapezius
What does the trapezius muscle do? - ANS helps shrugging of shoulders
what is the point of origin for the trapezius? - ANS Occipital bone and cervical and thoracic
regions of spine.
What is the point of insertion for the trapezius? - ANS Clavicle and scapula
What is the action of the trapezius? - ANS Shrugs shoulders
What does Origin mean? - ANS end of muscle attached to LEAST moveable structure
What does Insertion mean? - ANS end of muscle attached to MORE moveable structure
what does muscle mean? - ANS body tissue that shortens under neural control, causing soft
tissue and bony structures to move.
, What does action mean? - ANS Movement accomplished by a muscle when muscle fibers
contract.
What is facial paralysis? - ANS loss of the action of facial muscles.
What is muscular system? - ANS system that includes skeletal muscle tissue.
How many muscles of facial expression are there? - ANS 15
What is the action of the epicranial muscle? - ANS Surprise look
What is the action of the orbicularis oculi muscle? - ANS closing eyelid and squinting. circles the
eye. allows to closes eyes tightly.
What is the action of the corrugator supercilii muscle? - ANS frowning.
What is the action of the orbicularis oris muscle? - ANS closing and pursing lips as well as
pouting and grimacing. goes around lips. pucker lips , drink from a straw. etc.
What is the action of the buccinator muscle? - ANS compresses the cheeks during chewing.
What is the action of the risorius muscle? - ANS stretching lips
What is the action of the levator labii superioris muscle? - ANS Raising upper lip. smiling/smirk.
What is the action of the levator labii superioris alaeque nasii muscle? - ANS raising upper lip
and dilating nares with sneer. Moving nose up.
What is the action of the zygomaticus major muscle? - ANS smiling. (if cut...cannot smile)
What is the action of the zygomaticus minor muscle? - ANS Raising upper lip to assist in
smiling. (if cut.... can still smile)
What is the action of the levator anguli oris muscle? - ANS smiling. corner of lips- moving up.
What is the action of the depressor anguli oris? - ANS frowning. Corner of lips- moving down.
What is the action of the depressor labii inferioris? - ANS Lowering lower lip. Frown.
What is the action of the mentalis? - ANS Raising chin and protruding lower lip. -for a "hmmm"
thinking role. Supports a complete lower denture.
What is the action of the platysma? - ANS raising neck skin and grimacing. Muscle contributes
to the disgusted look.
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