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What type of muscle fiber arrangement features fascicles arranged in concentric circles?

Convergent

Parallel

Circular (correct)

Pennate

Which type of muscle has the main responsibility for a specific movement?

Fixator

Agonist (correct)

Antagonist

Synergist

What best describes a muscle that stabilizes the origin of a prime mover?

Antagonist

Agonist

Fixator (correct)

Synergist

What is the term for the attachment of a muscle to a movable bone?

Insertion Signup and view all the answers

Which of the following is NOT a factor that results from increased muscle use?

Increase in fatigue susceptibility Signup and view all the answers

What type of muscle performs actions opposite of the prime mover?

Antagonist Signup and view all the answers

Which arrangement of muscle fibers involves tendon running the length of the muscle with short fascicles attached at an angle?

Unipennate Signup and view all the answers

What is the name of the classification based on muscle location?

Location Signup and view all the answers

What structure is formed by the anterior rami of C5-C8 and T1?

Brachial plexus Signup and view all the answers

What best describes the direction of muscle fibers classified as 'rectus'?

Straight Signup and view all the answers

What type of muscle is characterized by being striated and voluntary in action?

Skeletal Muscle Signup and view all the answers

Which muscle type is involuntary and found in the walls of GI organs and blood vessels?

Smooth Muscle Signup and view all the answers

Which connective tissue wrapping surrounds a single muscle fiber?

Endomysium Signup and view all the answers

What is the primary function of skeletal muscle?

Facilitating movement of the skeleton Signup and view all the answers

What is a common sign of Erb-Duchenne palsy?

Pronated and medially rotated arm Signup and view all the answers

What term describes the ability of a muscle to return to its original length after being stretched?

Elasticity Signup and view all the answers

What is the role of the neuromuscular junction?

Serve as the site of nerve and muscle association Signup and view all the answers

Which nerves are primarily affected in Klumpke paralysis?

Median, Ulnar, and Sympathetic T1 Signup and view all the answers

Which type of muscle is characterized by branched, tubular, uninucleated cells and is found in the heart?

Cardiac Muscle Signup and view all the answers

What will a patient with wrist drop be unable to do?

Extend the fingers Signup and view all the answers

What is the connective tissue structure that attaches muscle to bone?

Tendon Signup and view all the answers

What type of injury can lead to wrist drop?

Fracture at the mid shaft of humerus Signup and view all the answers

What is the primary characteristic of cardiac muscle compared to skeletal muscle?

It is striated Signup and view all the answers

Which symptom is NOT associated with hyperabduction syndrome?

Loss of function in the hand Signup and view all the answers

What is a possible cause of Klumpke paralysis during childbirth?

Excessive pulling of the upper limb Signup and view all the answers

What primarily causes injury to the Brachial Plexus?

Prolonged hyperabduction of the arm Signup and view all the answers

Which of the following symptoms indicates complete paralysis?

Complete lack of movement Signup and view all the answers

What is Brachial plexus neuritis commonly associated with?

Inflammation of the Brachial Plexus Signup and view all the answers

Loss of sensation due to injury to the Brachial Plexus is referred to as what?

Anesthesia Signup and view all the answers

Which nerve is affected by Brachial plexus neuritis?

Nerves from the superior trunk Signup and view all the answers

What might lead to signs and symptoms of Brachial Plexus injury?

Vaccination or upper respiratory infection Signup and view all the answers

Which structure can compress the cords of the Brachial Plexus?

Coracoid process Signup and view all the answers

What can be a consequence of profound muscle weakness due to Brachial Plexus injury?

Muscle atrophy Signup and view all the answers

Which nerve is NOT derived from the posterior division of the Brachial Plexus?

Musculocutaneous nerve Signup and view all the answers

Which nerve innervates the suprascapular region?

Suprascapular nerve Signup and view all the answers

Which nerve primarily innervates the biceps brachii and brachialis muscles?

Musculocutaneous nerve Signup and view all the answers

What is the primary function of the ulnar nerve?

Innervate the intrinsic hand muscles Signup and view all the answers

Which of the following nerves innervates the deltoid muscle?

Axillary nerve Signup and view all the answers

From which part of the brachial plexus does the radial nerve originate?

Posterior cord Signup and view all the answers

What muscles are innervated by the median nerve?

Anterior forearm muscles Signup and view all the answers

Which nerves are responsible for the cutaneous innervation of the arm?

Axillary nerve and Radial nerve Signup and view all the answers

Which of the following muscles is NOT innervated by the radial nerve?

Flexor carpi ulnaris Signup and view all the answers

Which cord of the brachial plexus is the median nerve derived from?

Both lateral and medial cords Signup and view all the answers

Which muscle does the radial nerve primarily innervate?

Extensor carpi radialis longus Signup and view all the answers

What is the primary role of the axillary nerve?

Innervate the teres minor and deltoid muscles Signup and view all the answers

Untitled Quiz

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Questions and Answers

What type of muscle fiber arrangement features fascicles arranged in concentric circles?

Which type of muscle has the main responsibility for a specific movement?

What best describes a muscle that stabilizes the origin of a prime mover?

What is the term for the attachment of a muscle to a movable bone?

Which of the following is NOT a factor that results from increased muscle use?

What type of muscle performs actions opposite of the prime mover?

Which arrangement of muscle fibers involves tendon running the length of the muscle with short fascicles attached at an angle?

What is the name of the classification based on muscle location?

What structure is formed by the anterior rami of C5-C8 and T1?

What best describes the direction of muscle fibers classified as 'rectus'?

What type of muscle is characterized by being striated and voluntary in action?

Which muscle type is involuntary and found in the walls of GI organs and blood vessels?

Which connective tissue wrapping surrounds a single muscle fiber?

What is the primary function of skeletal muscle?

What is a common sign of Erb-Duchenne palsy?

What term describes the ability of a muscle to return to its original length after being stretched?

What is the role of the neuromuscular junction?

Which nerves are primarily affected in Klumpke paralysis?

Which type of muscle is characterized by branched, tubular, uninucleated cells and is found in the heart?

What will a patient with wrist drop be unable to do?

What is the connective tissue structure that attaches muscle to bone?

What type of injury can lead to wrist drop?

What is the primary characteristic of cardiac muscle compared to skeletal muscle?

Which symptom is NOT associated with hyperabduction syndrome?

What is a possible cause of Klumpke paralysis during childbirth?

What primarily causes injury to the Brachial Plexus?

Which of the following symptoms indicates complete paralysis?

What is Brachial plexus neuritis commonly associated with?

Loss of sensation due to injury to the Brachial Plexus is referred to as what?

Which nerve is affected by Brachial plexus neuritis?

What might lead to signs and symptoms of Brachial Plexus injury?

Which structure can compress the cords of the Brachial Plexus?

What can be a consequence of profound muscle weakness due to Brachial Plexus injury?

Which nerve is NOT derived from the posterior division of the Brachial Plexus?

Which nerve innervates the suprascapular region?

Which nerve primarily innervates the biceps brachii and brachialis muscles?

What is the primary function of the ulnar nerve?

Which of the following nerves innervates the deltoid muscle?

From which part of the brachial plexus does the radial nerve originate?

What muscles are innervated by the median nerve?

Which nerves are responsible for the cutaneous innervation of the arm?

Which of the following muscles is NOT innervated by the radial nerve?

Which cord of the brachial plexus is the median nerve derived from?

Which muscle does the radial nerve primarily innervate?

What is the primary role of the axillary nerve?

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