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Human Anatomy

Week 6-12

QuestionAnswer
Muscles that contract at the same time as the prime mover are called? Synergists, fixators
Which of the following is not a posterior muscle that acts on the shoulder girdle? Pectoralis minor
Skeletal muscles constitute approximately about what percent of our body weight? 50 %
The posterior arm muscle that extends the forearm is known as? Triceps brachii
The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. It's fibers run parallel to the body. Which of the following terms might be part of its' name? Flexor
Another name for sphincter muscle? Circular muscle
Which of the following is not a group of a pennate muscle? Tripennate
The latissimus dorsi is what kind of muscle? Spiral
The covering of individual muscle fibers is? Endomysium
Which of the following body systems assists the muscles in maintaining posture? Epimysium, perimysium, endomysium
The muscle that raises or lowers the shoulders or shrugs them is known as? Trapezius
How many pairs of spinal nerves are connected to the spinal cord? 31
Which plexus contains nerves that innervate the lower part of the shoulder and the entire arm? Brachial
Which part of the brain releases the hormone melatonin? Pineal gland
Which of the following is not a plexus of the spinal nerves? Thoracic
When you are looking at a large green field, which cones would be sending the green wavelength to the brain? M
Created by: Rosa42
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