Lesson 7.1.1
7.1.1 Muscles, tendons, skeleton and antagonistic pairs Quiz: Pearson Edexcel Biology, Unit 7
20 questions
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Lesson 7.1.1, Muscles, tendons, skeleton and antagonistic pairs: 20 multiple choice questions for the Pearson Edexcel Biology (9BI0), Unit 7: Run for your Life, written with Revision Ninja.
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The 20 questions
-
Which connective tissue structure connects a skeletal muscle to a bone?
- Synovial membrane
- Ligament
- Cartilage
- Tendon
-
Which tissue structure connects one bone to another at a joint?
- Myofibril
- Skeletal muscle
- Tendon
- Ligament
-
Which muscle acts as the flexor when bending the elbow joint?
- Triceps
- Quadriceps
- Biceps
- Hamstring
-
Which pair of muscles works antagonistically across the elbow joint?
- Abs and glutes
- Triceps and hamstrings
- Biceps and quadriceps
- Biceps and triceps
-
What is the function of an extensor muscle when it contracts?
- Rotating a bone
- Straightening a joint
- Stabilising a ligament
- Bending a joint
-
Why must skeletal muscles work in antagonistic pairs across a joint?
- Muscles store glycogen
- Muscles only push
- Muscles only pull
- Muscles produce heat
-
What action occurs in the biceps muscle during elbow flexion?
- Contracts and lengthens
- Relaxes and shortens
- Relaxes and lengthens
- Contracts and shortens
-
What role do bones play in allowing muscles to move limbs at joints?
- Pulleys
- Fulcrums
- Pivots
- Levers
-
What do ligaments connect together in a human joint?
- Muscle to muscle
- Bone to bone
- Muscle to bone
- Bone to cartilage
-
Why do skeletal muscles need to work in antagonistic pairs?
- Muscles rotate bones
- Muscles only push
- Muscles extend passively
- Muscles only pull
-
A muscle exerts 200 N at 0.04 m from a pivot. What is the moment produced?
- 50 N m
- 800 N m
- 8 N m
- 0.02 N m
-
In a third-class lever system, where is the effort applied?
- Beyond the load
- On the pivot
- At the end
- Between pivot and load
-
Which tissue covers the ends of bones in a synovial joint to reduce friction?
- Ligaments
- Cartilage
- Tendons
- Synovial membrane
-
What term describes a muscle that works alongside the prime mover to assist movement?
- Flexor
- Fixator
- Synergist
- Antagonist
-
Which of the following is an essential function of the human skeleton?
- Synthesising glycogen
- Excreting urine
- Pumping blood
- Protecting organs
-
Why does a complete tendon tear prevent limb movement?
- Cartilage breaks down
- Force cannot transfer
- Synovial fluid leaks
- Bones dislocate
-
What is the main function of synovial fluid in a joint?
- Lubricating surfaces
- Generating heat
- Producing blood
- Anchoring tendons
-
What aspect of joint function is mainly restricted by ligaments?
- Force generation
- Fluid secretion
- Speed of contraction
- Range of movement
-
What is the attachment point of a muscle onto the moving bone called?
- Insertion
- Pivot
- Origin
- Fulcrum
-
What action is produced by a flexor muscle at a joint?
- Decreasing joint angle
- Increasing joint angle
- Abducting the limb
- Rotating the bone
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