INSTRUCTIONS - Part 1
Highlight the answers in bold font.
Load Interactive Physiology Muscular System CD-ROM disk into the computer
Double Click on Interactive Physiology Muscular System
Click Anatomy Review and Read Page 1, 2 and 3 after doing Exercises
Which muscle types are controlled involuntarily? ___________ and _____________.
Click Center Forward Arrow to pg. 4 and 5 after doing Exercises
Name the origin and insertion of the brachialis muscles illustrated.
_____________ and _______________
Click Center Forward Arrow to pg. 8, 9, 10 and 11 after doing Exercises
List the parts of a muscle from large unit to small units.
______________
______________
______________
______________
Click to pg. 12
Click at Far Right Arrow to Return to Menu
Click Neuromuscular Junction
Click Forward to pg. 2 and 3 after doing Exercises
Muscle cells are innervated by _________(functional type) neurons whose cell bodies occur in the _______ _______.
Click to pg. 4 after doing Exercise
The ____tubules penetrate into the muscle fiber.
A sarcomere extends from one ____ to another.
Click Forward to pg. 5 after doing Exercise
The neurotransmitter _______causes the sarcolemma and T tubule extensions to __________-polarize (de-, re-, hyper-, resting -choose one).
Click Forward to pg. 6 after doing Exercise
When the action potential arrives at the axon terminal, ______channels open at the knob.
Click Forward to pg. 7 after doing Exercise
The synaptic vesicles empty _______ into the synaptic cleft.
Click Forward to pg. 8, and 9 after doing Exercises
When Ach attaches to its _________, Na+ cation channels open.
Click Forward to pg. 10 after doing Exercise
Ach is removed from the synaptic cleft by _____________________.
Click Forward to pg. 11 and 12 after doing Exercises
After the action potential spreads down the T tubules, ________ions move out of the ____________(organelle).
Click Forward to pg.13, 14, and 15 after doing Exercises
Click on far Right Arrow to Return to Menu
Click on Sliding Filament Theory
Click Forward to pg. 2, 3, 4, 5 and 6 after doing Exercises
The myosin molecule has ____________(# and structures) that have binding sites for __________ and _________________.
Click Forward to pg. 9, 10, 11, 12 and 13 after doing Exercises
Before a muscle fiber depolarizes, ___________covers the binding sites for the myosin heads to actin.
Click Forward to pg.14 and 15 after doing Exercises
____ions bind to ___________to move the tropomyosin strands.
Click Forward to pg.17, 18, 19 and 20 after doing Exercises
Cross bridges are energized by the hydrolysis of __________.
Click Forward to pg. 21 and 22 after doing Exercises
What causes the cross bridge/heads to disconnect?
________________________________________________
Click Forward to pg. 23, 24, 25 and 26 after doing Exercises
Click Forward to pg. 27 and Review
The H zone _________(lengthens, shortens, stays the same - choose one) while the sarcomere contracts.
Click Far Right Arrow to return to Menu
Click on Muscle Metabolism
Click to pg. 2, 3, and 4 after doing Exercises
ATP stores energy in ______(high, low, or stable - choose one) energy ________(chemical type) bonds.
Click to pg. 5 after doing Exercise
ATP breaks down to yield __________, ___________ and ____________.
Click Forward to pg. 6, 7, and 8 after doing Exercises
Muscle fibers use three processes to generate ATP, they are:
________________________________
________________________________
________________________________
Click to pg. 9 after doing Exercise
Creatine phosphate is used up __________(quickly, slowly or not at all - choose one) in strenuous muscle activity.
Click Forward to pg.10 after doing Exercise
The principle food material for all cells is ______________.
Click Forward to pg. 11 and 12 after doing Exercises
Glycolysis break down glucose into __________and _____________ The complete fermentation of glucose in muscle fibers produces ___________. This process is ___________(anaerobic, aerobic, or inner mitochondrial - choose one). _______(#) ATPs are made per glucose.
Click Forward to pg.13 after doing Exercise
List two sources of oxygen for skeletal muscle fibers:
________________ and __________________.
Click Forward to pg.14 after doing Exercise
Inside the ___________(organelle) the Bridge, the Kreb’s cycle and Oxidative phosphorylation can generate _______(#) ATPs and the waste products __________ and ____________.
Click to pg.15 and Review
Click Forward to pg.16 and 17 after doing Exercises
____________waste is generated from anaerobic metabolism.
Click Forward to pg.18 after doing Exercise
The more lactic acid, the more _______ _________ and _____________
result.
Click Forward to pg.19 after doing Exercise
To get to the Kreb’s cycle pyruvic acid must go through the ___________________ factory.
Click Forward to pg. 20, 21, 22 and 23 after doing Exercises and Review
The oxygen debt is paid off by making more __________, ___________,
____________ and ____________.
Click Forward to pg. 24 after doing Exercise
Two types of muscle fibers are ________ (color) and ___________.
Click Forward to pg. 25 after doing Exercise
List three characteristics of white fibers:
____________________
____________________
____________________
List three characteristics of red fibers.
____________________
____________________
____________________
Click Forward to pg. 26 after doing Exercise
White fibers are good for ___________________________(function).
Click Forward to pg. 27 after doing Exercise
Red fibers use __________as a food source in addition to glucose for making ATP.
Click Forward to pg. 28 after doing Exercise
Red fibers are good for ___________________________(functions).
Click Forward to pg. 29 after doing Exercise
Distance runners have more _______(color) fibers than sprinters.
Click Forward to pg. 30 after doing Exercise and Review
Click on Far Right Arrow to Return to Menu
Click on Contraction of Motor Units
Click Forward to pg. 2 and 3 after doing Exercises
Motor neurons originate from the spinal cord and divide into many _______ that supply muscle fibers with innervation.
Click Forward to pg. 4 after doing Exercise
If one increases muscle power, the central and somatic nervous systems must stimulate more ____________.
Click Forward to pg. 5 after doing Exercise
Having fewer muscle cells per unit results in ______________(function).
Click Forward to pg. 6 and 7 after doing Exercises
The quads have ___________-unit (multi, single, or quadratic - choose one) control.
Click Forward to pg. 8 after doing Exercise
Minute contractions which result in muscle firmness defines muscle _________.
Click Forward to pg. 9 after doing Exercise
Deinnervation paralysis occurs when lower (those from the spinal cord to the muscles)_________neurons (functional type) are cut or destroyed. Muscles become __________ (state of softness and wasting away).
Click Forward to pg.10 after doing Exercise and Review
Click on Far Right Arrow and return to Menu
Click on Contraction of Whole Muscle
Click to pg. 2, 3 and 4 after doing Exercises
A stimulus of ______volts was applied to the muscle.
Click Forward to pg. 5 after doing Exercise
The three phases of a muscle twitch are:
_______________
_______________
_______________
Click Forward to pg. 6 after doing Exercise
Quickly applying a second stimulus before the relaxation phase has ended, ___________(decreases, increases or stabilizes) the muscle force.
Click Forward to pg. 7 after doing Exercise
Explain why the contraction force increases here.
__________________________________________________________
Click Forward to pg. 8, 9, 10 and 11 after doing Exercises
Increasing stimuli while allowing the muscle to relax, produces a
____________(twitch, treppe or tetanus). Increased heat and enzyme
activity increase power.
More rapid stimulation still, produces a __________(twitch, treppe or
tetanus). If relaxation occur the contraction is said to be a _________.
_________. If no relaxations can be seen the contraction is a _________
_________. At this time more ______ ions are available.
Muscle fatigue happens when:
__________________________ and
__________________________
Click Forward to pg.12, 13, 14, 15,16, and 17 and Review
Click Quit