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BIOD 151- Module 5 Test Questions with Certified Answers Graded A+.
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BIOD 151- Module 5 Test Questions with Certified Answers Graded A+.
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BIOD 151- Module5 Test Questions
with Certified
Answers Graded
A+
Denning [Date] [Course title]
,Why do the muscular and skeletal systems work together? - Answer: To provide movement for the
human body
What are the 3 types of muscle tissue? - Answer: Skeletal, smooth and cardiac
Characteristics of skeletal muscles - Answer: 1. Must have blood and nervous supply to provide
movement
2. Are under conscious control
Conscious control - Answer: a person can consciously decide to use these muscles to complete an
action
How does communication throughout the body tell a muscle to move? - Answer: Peripheral nerves
carry the signal from the central nervous system (brain and spinal chord) to a specific muscle destination
Motor actions - Answer: Messages from the central nervous system to a muscle
Sensation or sensory input - Answer: When nerves carry information from the external environment to
the central nervous system
Tendons - Answer: Connective tissues that connect skeletal muscle to bone
Characteristics of tendons - Answer: flexible, can bend at the joints and help cushion against sudden
movement
Ligaments - Answer: Connective tissue that connects bone to bone helping to stabilize joints
What are the 3 components of a skeletal muscle? - Answer: Origin, insertion and action
Origin - Answer: The bony site of attachment that is stationary during movement
, Insertion - Answer: The bony site of attachment that is moved by the muscle contraction
Action - Answer: The effect that is produced by the muscle contraction
Innervation - Answer: The peripheral nerve that supplies a muscle with a message from the brain
How many pairs of cranial nerves originate on the ventral surface of the brain? - Answer: 12
Orbicularis oculi - Answer: Action: eye closure, Innervation: facial nerve (CN VII)
Orbicular 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 nerve (CN VII)
Frontalis (occipitofrontailis) - Answer: Action: Raise eyebrows, Innervation: facial nerve (CN VII)
Buccinator - Answer: Action: compress cheeks, Innervation: facial nerve (CN VII)
Masseter - Answer: Action: Jaw closure, Innervation: trigeminal nerve (CN V, mandibular branch)
Temporalis - Answer: Action: Elevates mandible, closes jaw, Innervation: trigeminal nerve (CN V,
mandibular branch)
Agonist - Answer: The muscle that contract as the primary movement in a pair
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