Orbicularis oris action Study guides, Class notes & Summaries

IUPUI Anatomy Yard Exam 3 Latest 2024 Graded A+ Origin proximal Insertion distal Buccinator Action compresses cheeks Buccinator Origin&Insertion Origin- alveolar processes of maxilla and mandible opposite the molar teeth Insertion- Blends into fibers of obicularis oris Mentalis Action elevates, everts, and protrudes lower lip Mentalis Origin&Insertion Origin- Incisive fossa of mandible Insertion- Skin of chin Orbicularis Oris Action compresses, purses lips (closes mouth) Orbicularis Ori...

occipitofrontalis Correct Answer-ORIGIN: occipital bone (posterior belly) and forehead (anterior belly) INSERTION: epicranial aponeurosis ACTION(S): elevates eyebrows, retracts the scalp RELATIONSHIP: moves the scalp as in a surprised facial expression epicranial aponeurosis Correct Answer-ORIGIN: -- INSERTION: -- ACTION(S): -- RELATIONSHIP: sheet-like tendon connecting the anterior and posterior muscle bellies of the occipitofrontalis Orcbicularis oris Correct Answer-ORIGIN: mandib...

Morula - Answer--Solid ball of 16-32 cells Early Blastocyst - Answer--Blastocyst Cavity -Trophoblast -Inner cell mass 9-12 Day Blastocyst - Answer--Amnion -Amnion Cavity -Chorion -Embryonic Disk -Epiblast -Hypoblast 20 Day Embryo - Answer--Amnion -Amnionic Cavity -Chorion -Chorionic Villi -Embryo -Umbilical chord -Yolk sac Embryonic Membranes - Answer--Amnion -Amnionic Cavity -Chorion -Chorionic Villi -Yolk Sac1. Chorionic Villi 2. Yolk sac 3. Umbilical Cord 4. Amnionic C...

BIOD 151 Exam 5 questions with answers keys Orbicularis oculi - answer-Action: eye closure Innervation: facial nerve (CN VII) Orbicularis oris - answer-Action: mouth closure: closes lips, protrudes lips forward, presses lips against teeth Innervation: facial nerve (CN VII) Zygomaticus major/minor - answer-Action: pull corners of lips upward Innervation: facial nerve (CN VII) Risorius - answer-Action: pulls the corners of the mouth posteriorly (grin or grimace) Innervation: facial nerv...

Exam 2: BIO 117 / BIO 117 (Latest 2023/ 2024) Introduction to Anatomy and Physiology Exam Review| Complete Guide with Questions and Verified Answers| 100% Correct| Hondros Q: Which muscle raises the eyebrows and wrinkles the forehead? Answer: frontalis Q: Which muscle assists in winking and blinking Answer: Orbicularis Oculli Q: Which muscle assists with smiling, raising the corners of the mouth) Answer: Zygomaticus Q: Which muscle allows you to pucker a...

Frontalis - broad, anterior, and superficial muscle - covers frontal bone of skull - aids in raising eyebrows, wrinkling the forehead, and pulling scalp forward orbicularis oculi - sphincter muscle of the eye - circular band around circumference of the eye - allows you to close an eye orbicularis oris - muscle that surrounds the mouth - involved in shaping the lips for functions such as food manipulation, puckering, and speech Depressor labii - located between the symphysis and mental fo...

A&P 1 101 Module 5 Exam Question 1 2 / 2 pts There are three types of muscle tissue found in the body. Correct! True False Question 2 2 / 2 pts Smooth and cardiac muscle tissue are both un der voluntary control. True Correct! False Question 3 2 / 2 pts The musculocutaneous nerve is part of the central nervous system. True Correct! False False- this is a peripheral nerve Question 4 2 / 2 pts A motor signal is a signal that is sent from a muscle to the central nervous system. True Correct! False F...

IUPUI Anatomy Yard Exam 3 Questions and Answers 100% Pass Origin - Answer- proximal Insertion - Answer- distal Buccinator Action - Answer- compresses cheeks Buccinator Origin&Insertion - Answer- Origin- alveolar processes of maxilla and mandible opposite the molar teeth Insertion- Blends into fibers of obicularis oris Mentalis Action - Answer- elevates, everts, and protrudes lower lip Mentalis Origin&Insertion - Answer- Origin- Incisive fossa of mandible Insertion- Skin of chin Orbicu...

Three types of muscle -:- skeletal, cardiac, smooth Central nervous system components (2) -:- brain and spinal cord Peripheral nervous system -:- peripheral nerves that carry signals to muscles Conscious control -:- person can consciously decide when to use these muscles Motor actions -:- -messages from the central nervous system -Start in brain and move out to peripheral nerves 2 0 2 4 / 2 0 2 5 | © copyright | This work may not be copied for profit gain | Excel! 2 | P a g e |...

IUPUI Anatomy Yard Exam 3 Questions and Answers 100% Pass Origin - Answer- proximal Insertion - Answer- distal Buccinator Action - Answer- compresses cheeks Buccinator Origin&Insertion - Answer- Origin- alveolar processes of maxilla and mandible opposite the molar teeth Insertion- Blends into fibers of obicularis oris Mentalis Action - Answer- elevates, everts, and protrudes lower lip Mentalis Origin&Insertion - Answer- Origin- Incisive fossa of mandible Insertion- Skin of chin Orbicu...