Muscular System

Question 1

Involuntary muscles

Answer 1

Cardiac and smooth

Question 2

Voluntary muscles

Answer 2

Skeletal

Question 3

Sarcomere

Answer 3

Structural and functional unit of muscle (actin and myosin)

Question 4

Sarcolemma

Answer 4

Membrane of a muscle cell

Question 5

Sarcoplasm

Answer 5

Cytoplasm of muscle cell

Question 6

Sarcoplasmic reticulum

Answer 6

Muscle cell endoplasmic reticulum

Question 7

Striated muscles

Answer 7

Skeletal and cardiac

Question 8

Non striated

Answer 8

Smooth

Question 9

Skeletal muscle features

Answer 9

Striated, multi nucleated, organised in sarcomere

Question 10

Different shapes of skeletal muscles

Answer 10

Flat, strap, pennate, fusiform, quadrate, circular

Question 11

Skeletal found in

Answer 11

Limbs, trunk, jaw and eyeball

Question 12

Skeletal muscle function

Answer 12

Locomotion, support and postural

Question 13

Muscles have

Answer 13

Myofibrils with myofilaments and t-tubules

Question 14

Myofilaments

Answer 14

Actin and myosin

Question 15

Classification of muscles

Answer 15

Agonists, antagonists and synergists

Question 16

Skeletal muscles are stimulated by

Answer 16

Motor nerves to contract

Question 17

Hypertrophy

Answer 17

Muscle fibres get bigger

Question 18

Hyperplasia

Answer 18

Muscle fibres multiply and increase in number

Question 19

Atrophy

Answer 19

Disuse of muscle

Question 20

Cardiac muscle function

Answer 20

Coordinates contractions of the heart

Question 21

Cardiac muscle features

Answer 21

Striated, organised into sarcomere a, mono/binucleated, fibres are branched and shorted than skeletal

Question 22

Specialised cardiac muscles

Answer 22

Purkinje fibres specialised for rapid contractions

Question 23

Smooth muscle features

Answer 23

No striations, single nucleus, fibres shorter than skeletal

Question 24

Smooth muscle found in

Answer 24

Bladder, stomach and intestines

Question 25

Smooth muscle specialised

Answer 25

Myoepithelial, myofibroblasts, myoid,