Term
The superficial layers of single-unit smooth muscle would best describe the
(a) Transverse layer
(b) Oblique layer
(c) Longitudinal layer
(d) Circular layer
(e) None of the above |
|
Definition
|
|
Term
Connective tissue that separtes out or acts as an interface between muscle groups.
(a) Epimysium
(b) Superior fasica
(c) Meninges
(d) Deep fascia
(e) Superficial fascia |
|
Definition
|
|
Term
May be described as a thick filaments
(a) Actin
(b) Myosin
(c) Elastin
(d) Tropomyosin
(e) Collagen |
|
Definition
|
|
Term
Which of the following events would occur last?
(a) Transmission of the end-plate potential across the sarcolemma
(b) Generation of end-plate potentials at the motor endplate
(c) Release of calcium ion from the terminal cisternae
(d) Action potential from the corresponding motor nerve
(e) Release of neurotransmitters from the motor nerve |
|
Definition
|
|
Term
The calcium binding molecule associated with skeletal muscle contraction
(a) Tropomyosin
(b) Troponin
(c) Titin
(d) Calmodulin
(e) Acetylcholine |
|
Definition
|
|
Term
Which of the following muscle types would not be controlled directly by the sympathetic or parasympathetic nervous system?
(a) Skeletal muscle
(b) Cardiac muscle
(c) Smooth muscle
(d) Two of the above are not controlled by the ANS
(e) All of the above are controlled directly by the AND |
|
Definition
|
|
Term
Functions to transmit electrical signal deep into the body of the myofiber
(a) T-tubule
(b) Myofibrils
(c) Sarcoplasmic reticulum
(d) Terminal cisternae
(e) Sarcolemma |
|
Definition
|
|
Term
Molecule that will open the active actin sites is
(a) Ca
(b) Na
(c) Ca2+
(d) Na+
(e) ATP |
|
Definition
|
|
Term
Waves of contraction in response to stretch is a property of
(a) Cardiac muscle
(b) Skeletal muscle
(c) Smooth muscle
(d) Two of the above
(e) All of the above |
|
Definition
|
|
Term
The primary fuel burned during the first 10-20 minutes of moderate exercise would be
(a) Fatty acids
(b) Glycogen
(c) Proteins
(d) Creatine phosphate
(e) Nucleic acids |
|
Definition
|
|
Term
Calcium will bind to this molecule, resulting in a series of step that will open the active sites on actin
(a) Tropomyosin
(b) Troponin
(c) Myosin
(d) Calmodulin
(e) Motor end-plate |
|
Definition
|
|
Term
Calcium ion is controlled within the _______ in skeletal muscle but within the ________ in smooth muscle.
(a) Endoplasmic reticulum, sarcoplasmic reticulum
(b) Sarcoplasmic reticulum, ECF
(c) Sarcoplasm, cytoplasm
(d) Sarcoplasm, sarcolemma
(e) Sarcoplasmic reticulum, ICF |
|
Definition
|
|
Term
Direct attachments of muscles are represented by
(a) Epimysium blending into the periosteum
(b) Extensions of epimysium that blend into the periosteum
(c) Broad extensions of the epimysium that blend into the periosteum
(d) Epimysium blenind into the endosteum
(e) Extensions of the endosteum that blend into the periosteum |
|
Definition
|
|
Term
Indirect attachments include
(a) Aponeurosis
(b) Attachments of the intercostal muscles of the ribcage
(c) Fibrous bands of connective tissue that hold down tendons
(d) Retinaculum
(e) All of the above except (b) |
|
Definition
|
|
Term
Muscle associated with calmodulin
(a) Skeletal
(b) Smooth
(c) Cardiac
(d) Two of the above
(e) All of the above |
|
Definition
|
|
Term
Stimulation of the golgi tendon organs would result in
(a) Contraction of the assoicated muscle
(b) Increase energy utilization for exercise and activity
(c) Triggering the stress-relaxation response
(d) Relaxation of the associated muscle
(e) None of the above |
|
Definition
|
|
Term
The A band contains which of the following myofilaments
(a) Myosin
(b) Actin
(c) Elastic Filaments formed from Titin
(d) All of the above
(e) None of the above |
|
Definition
|
|
Term
The connection between a nerve and a muscle cell is best described as the
(a) Neuromuscular junction
(b) Nerve and muscle overlap
(c) Synapse
(d) Synaptic terminal
(e) Motor end-plate |
|
Definition
|
|
Term
Chemical that transmits neurologic information across the synaptic cleft
(a) Acetylcholine
(b) Synaptic vesicle
(c) Synapse
(d) Neurotransmitter
(e) Two of the above |
|
Definition
|
|
Term
Which of the following statements would be true during the contractile phase of a skeletal muscle fiber?
(a) The z-discs will expand away from each other
(b) The I bands will disappear
(c) The A band will disappear
(d) The H band will expand.
(e) All of the above |
|
Definition
|
|
Term
Intercalated discs
(a) Are found in cardiac muscle
(b) Contain gap junctions
(c) Are found in skeletal muscle
(d) Are found in smooth muscle
(e) Two of the above |
|
Definition
|
|
Term
Muscle that is categorized as governed by the autonomic nervous system
(a) Skeletal
(b) Smooth
(c) Cardiac
(d) Two of the above
(e) All of the above |
|
Definition
|
|
Term
The dark band describes the ________ band and contains _______ myofibers.
(a) H, only myosin
(b) I, only actin
(c) A, only myosin
(d) A, both actin and myosin
(e) I, only myosin |
|
Definition
|
|
Term
Acetylcholine must pass across the _______ to bind to the _______ of the muscle cell.
(a) Axon of the neuron, motor end-plate
(b) Synapse, t-tubules
(c) Synaptic cleft, motor end-plate
(d) Axon of the neuron, synaptic terminal
(e) Synaptic cleft, synaptic terminal |
|
Definition
|
|
Term
Constant recruitment with little to rest phases best describes
(a) Twitch
(b) Tetanus
(c) Treppe
(d) Incomplete tetanus
(e) None of the above |
|
Definition
|
|
Term
Myofilament that is described as containing globular heads
(a) Myosin
(b) Actin
(c) Elastic Filaments
(d) Collagen
(e) None of the above |
|
Definition
|
|
Term
Elasticity is best describes the muscle's ability to
(a) Respond to nerve stimuli
(b) Return to its original shape
(c) Be stretched
(d) Conduct communicative signal
(e) Expand its muscle belly during stretch |
|
Definition
|
|
Term
Large amounts of glycogen stores are contained within the _______ in order for the myocyte to produce _______.
(a) Sarcolemma, ATP
(b) Sarcoplasm, adenosine triphosphate
(c) Sarcoplasmic reticulum, ATP
(d) SR, ATP
(e) Sarplasm, adenosine diphosphate |
|
Definition
|
|
Term
Muscle contraction with shortening of the muscle belly
(a) Concentric
(b) Eccentric
(c) Isometric
(d) Isotonic
(e) Peristalsis |
|
Definition
|
|
Term
Property that allows smooth muscle organs such as the stomach and urinary bladder to accommodate increased volumes of material
(a) Stress-relaxation response
(b) Peristalsis
(c) Vasomotor tone
(d) Smooth muscle tone
(e) Myofibers are organized in sarcomere structures |
|
Definition
|
|
Term
Described as short term, high energy source
(a) Creatine phosphate
(b) Lipids
(c) Glycogen
(d) Protein
(e) All of the above |
|
Definition
|
|
Term
Which of the following is a broad tendon attachment of muscles to the bones?
(a) Lumbosacral aponeurosis
(b) Flexor retinaculum
(c) Achilles tendon
(d) Calcaneal tendon
(e) Interosseous membrane |
|
Definition
|
|
Term
This type of muscle contains no Z-discs
(a) Skeletal muscle of the upper extremity
(b) Cardiac muscle
(c) Smooth muscle
(d) Skeletal muscle associated with postural muscle contraction
(e) Skeletal muscle associated with active "sports" contraction |
|
Definition
|
|
Term
Excitable cells could include
(a) Muscle cells
(b) Skin cells
(c) Nerve cells
(d) Endocrine glands
(e) All of the above except (b) |
|
Definition
|
|
Term
Muscle hypertrophy is the result of
(a) Increase number of myofibrils
(b) Increased number of muscle cells
(c) Resistance training
(d) A and C
(e) B and C |
|
Definition
|
|
Term
Protein strands that block the active actin sites
(a) Acetylcholine
(b) Tropomyosin
(c) Collagen
(d) Calmodulin
(e) Troponin |
|
Definition
|
|
Term
The presence of the sarcomere structure results in the characteristic ______ of skeletal and cardiac muscle.
(a) Branching
(b) Extensibility
(c) Conductivity
(d) Striations
(e) Elasticity |
|
Definition
|
|
Term
Defines one cycle of contraction and relaxation of the myofiber
(a) Twitch
(b) Tetanus
(c) Treppe
(d) Incomplete tetanus
(e) Sliding filament theory |
|
Definition
|
|
Term
Type of contraction with no change in length
(a) Isometric
(b) Concentric
(c) Isotonic
(d) Eccentric
(e) Peristalsis |
|
Definition
|
|
Term
Exercise that causes muscle hypertrophy
(a) Resistance training
(b) Endurance training
(c) Cross training
(d) Two of the above
(e) None of the above |
|
Definition
|
|
Term
Muscle length is controlled by
(a) Sarcolemma
(b) Muscle spindle cells
(c) Myofibrils
(d) Sarcomere
(e) Myofiber |
|
Definition
|
|
Term
Resting membrane potential properties include
(a) Electrical difference across the cell membrane
(b) Negatively charged intracellular face
(c) Positively charged extracellular face
(d) Typically -65mv
(e) All of the above |
|
Definition
|
|
Term
The functional unit of muscle is best described as the
(a) Myocyte
(b) Sarcomere
(c) Actin and myosin
(d) Sarcolemma
(e) Globular heads and active sites |
|
Definition
|
|
Term
Correctly order the phases of myosin contraction
(a) Stroke, extension, recovery
(b) Extension, recovery, stroke
(c) Extension, stroke, recovery
(d) Recovery, stroke, extension |
|
Definition
|
|
Term
Type of contraction without change in muscle tension
(a) Eccemtroc
(b) Concentric
(c) Isotonic
(d) Peristalsis
(e) Isometric |
|
Definition
|
|
Term
The ability of muscle to be stretched demonstrates this property of muscle
(a) Extensibility
(b) Contractility
(c) Elasticity
(d) Conductivity
(e) Excitability |
|
Definition
|
|
Term
Protects the muscle from destructive tension forces
(a) Muscle spindle cells
(b) Golgi tendon organs
(c) Genetics
(d) Length of the underlying bone
(e) Creatine phosphate |
|
Definition
|
|
Term
Connective tissue layer that binds the myofibers into fasciles
(a) Epimysium
(b) Endomysium
(c) Superficial fascia
(d) Perimysium
(e) Deep fascia |
|
Definition
|
|
Term
The gastrocnemius muscle would have a ______ when describing its motor units.
(a) Small ratio of tendon to muscle fibers
(b) Large ratio of tendon to muscle fibers
(c) Small ratio of muscle to nerve fibers
(d) Large ratio of muscle to nerve fibers
(e) One nerve for every muscle fiber |
|
Definition
|
|
Term
Muscle contraction may not occur in skeletal muscle unless the _______ of actin are open. Further an available _______ source must be present to cause contraction of the _______ of myosin.
(a) Tropomyosin, energy, globular heads
(b) Globular heads, ATP, active sites
(c) Globular heads, energy, thick filaments
(d) Active sites, ATP, globular heads
(e) Tropomyosin, ATP, active sites |
|
Definition
|
|
Term
Contraction with shortening best represents
(a) Eccentric contraction
(b) Isometric contraction
(c) Concentric contraction
(d) Isotonic contraction
(e) All of the above |
|
Definition
|
|
Term
Connective tissue that lies between the muscles and the skin best describes
(a) Perimysium
(b) Supeficial fascia
(c) Deep fascia
(d) Epimysium
(e) Epineurium |
|
Definition
|
|
Term
Muscle size, arrangement and size of active motor units are factors that affect
(a) Muscle length
(b) Muscle naming
(c) Muscle strength
(d) Oxygen debt and energy utilization
(e) All of the above |
|
Definition
|
|
Term
The sarcolemma is equivalent to the ______ in most other cells.
(a) Endoplasmic reticulum
(b) Golgi apparatus
(c) Smooth endoplasmic reticulum
(d) Cell membrane
(e) Nucleus |
|
Definition
|
|
Term
The H band could contain which of the following myofilaments
(a) Elastic filaments
(b) Myosin filaments
(c) Actin filaments
(d) A and C
(e) A and B |
|
Definition
|
|
Term
A single nerve and all its controlled muscle fibers best describes
(a) Innervation
(b) Motor Unit
(c) Neuromuscular junction
(d) Sliding filament theory
(e) Strength |
|
Definition
|
|
Term
The ability to conduct electrical signals represents this property of muscle
(a) Excitability
(b) Conductivity
(c) Innervation
(d) Elasticity
(e) Extensibility |
|
Definition
|
|
Term
Fibrous band of connective tissue that holds or pins down muscle tendons. Examples of which would be found near the wrist and ankles.
(a) Retinaculum
(b) Tendon
(c) Direct attachment
(d) Fascia
(e) Ligamentous bands |
|
Definition
|
|
Term
Muscle tone is a state of
(a) Physical perfection
(b) Constant and full muscle contraction
(c) Partial muscle contraction
(d) Muscles after weight-training exercise
(e) Increase muscle bulk due to skeletal hypertrophy |
|
Definition
|
|
Term
Short term energy in muscles is obtained through
(a) Anaerobic glycolysis
(b) Aerobic krebbs cycle
(c) Creatine phosphate pathways
(d) Beta oxidation of lipids
(e) Two of the above |
|
Definition
|
|
Term
T-tubules are best described as
(a) Infoldings of the sarcolemma
(b) Contractile fibers of muscle
(c) Proteins
(d) Actin and myosin fibers
(e) Being anlagous to the Smooth ER of other cells |
|
Definition
|
|
Term
Acetylcholine is a specific type of ________ found in the neuromuscular junction.
(a) Synaptic cleft
(b) Postsynaptic element
(c) Neurotransmitter
(d) Protein
(e) Hormone |
|
Definition
|
|
Term
Calmodulin is a calcium receptor associate with ________ found in _______ muscle.
(a) Actin, skeletal
(b) Myosin, smooth
(c) Actin, cardiac
(d) Actin, smooth
(e) Myosin, cardiac |
|
Definition
|
|
Term
Fine motor control involves motor units with
(a) Small ratios of muscle fibers to nerve
(b) Large ratios of muscle fibers to nerve
(c) Ratios of 3:1 such as the eye
(d) A and C
(e) B and C |
|
Definition
|
|
Term
Which of the following statements are true of myofibrils?
(a) Includes actin and myosin proteins
(b) Contained within the sarcoplasm of the myofiber
(c) Some are described as contractile fibers
(d) Increase in quantity due to resistance type exercises
(e) All of the above |
|
Definition
|
|
Term
Sliding filament theory describes
(a) Communication between neurologic cells
(b) The physiology of muscle contraction
(c) Changes in DNA as related to genetics and evolution
(d) Physiology of cell material transport
(e) Communication between muscle and nerve cells |
|
Definition
|
|
Term
Which is an incorrect type of muscle attachment?
(a) Direct attachments, intercostals
(b) Tendon, biceps brachii
(c) Tendon, frontalis
(d) Aponeurosis, latissimus dorsi
(e) Tendon, soleus |
|
Definition
|
|
Term
Actin properties include
(a) Described as a thick filament
(b) Contains globular heads
(c) Actively pulls the muscle contraction
(d) Is associated with tropomyosin in all muscle types
(e) None of the above |
|
Definition
|
|
Term
Organelle that controls the release of Ca ion within the muscle cell
(a) Motor end-plate
(b) Sarcoplasm
(c) Sarcoplasmic reticulum
(d) T-tubules
(e) Sarcolemma |
|
Definition
|
|
Term
From Z-disc to Z-disc desfines the
(a) A band
(b) I band
(c) H band
(d) Sarcomere
(e) Myocyte |
|
Definition
|
|
Term
Myosin stroke is primarily due to
(a) Obtainment of a low energy position and release of ADP
(b) Utilization of ATP energy
(c) Extension of myosin into a high energy position
(d) Time to recover a new ATP source
(e) Utilization of creatine phospahte |
|
Definition
|
|
Term
Smooth muscle is described as _______ resistant and contracts like a(n) _______.
(a) Fatigue, wringing towel
(b) Oxygen, accordian
(c) Fatigue, accordian
(d) Stretch, wringing towel
(e) Stretch, accordian |
|
Definition
|
|
Term
Increased tension with repeated recruitment of the motor unit best defines this property
(a) Treppe
(b) Isometric contraction
(c) Twitch
(d) Tetanus
(e) Incomplete tetanus |
|
Definition
|
|
Term
Action potentials are best described as
(a) Communicative signal that crosses the synaptic cleft
(b) Electrical potential between the ECF and ICF
(c) Electrochemical events
(d) Flight or fight events invoked by the nervous system
(e) None of the above |
|
Definition
|
|
Term
Connective tissue covering that surrounds each individual muscle fiber
(a) Perimysium
(b) Epineurium
(c) Endomysium
(d) Endoneurium
(e) Epimysium |
|
Definition
|
|
Term
The Z-disc is a protein plate that anchors _______ fibers.
(a) Actin and titin
(b) Actin
(c) Titin
(d) Myosin
(e) Elastin |
|
Definition
|
|
Term
Words that may describe an action potential could include
(a) "Pain"
(b) "All or None event"
(c) "The physical muscle contraction"
(d) "Flight or fight"
(e) "State of partial contraction" |
|
Definition
|
|
Term
Sources of energy for muscles could include
(a) ATP
(b) Glycogen
(c) Creatine Phosphate
(d) Triacylglycerides
(e) All of the above |
|
Definition
|
|
Term
Which of the following events would occur first?
(a) Action potential from the corresponding motor nerve
(b) Generation of end-plate potentials at the motor endplate
(c) Release of neurotransmitters from the motor nerve
(d) Release of calcium ion from the terminal cisternae
(e) Transmission of the end-plate potential across the sarcolemma |
|
Definition
|
|
Term
The soleus muscle would be described as having a _______ ratio when describing its _______. This means that there is one nerve to a _______ of muscle fibers
(a) Large, motor units, larger number
(b) Small, motor units, smaller number
(c) Postural, muscle function, smaller number
(d) Postural, muscle, function, larger number
(e) Postural, motor units, small number |
|
Definition
|
|
Term
Sarcomere structure is associated with
(a) Skeletal muscle
(b) Cardiac muscle
(c) Smooth muscle
(d) Two of the above
(e) All of the above |
|
Definition
|
|
Term
Functions of muscles would include
(a) Control of body openings
(b) Heat production
(c) Communication
(d) Locomotion
(e) All of the above |
|
Definition
|
|
Term
Muscle size, arrangement and size of active motor units are factors that affect
(a) Muscle length
(b) Muscle naming
(c) Muscle strength
(d) Oxygen debt and energy utilization
(e) All of the above |
|
Definition
|
|
Term
The sarcolemma is equivalent to the ______ in most other cells.
(a) Endoplasmic reticulum
(b) Golgi apparatus
(c) Smooth endoplasmic reticulum
(d) Cell membrane
(e) Nucleus |
|
Definition
|
|
Term
The H band could contain which of the following myofilaments
(a) Elastic filaments
(b) Myosin filaments
(c) Actin filaments
(d) A and C
(e) A and B |
|
Definition
|
|
Term
A single nerve and all its controlled muscle fibers best describes
(a) Innervation
(b) Motor Unit
(c) Neuromuscular junction
(d) Sliding filament theory
(e) Strength |
|
Definition
|
|
Term
The ability to conduct electrical signals represents this property of muscle
(a) Excitability
(b) Conductivity
(c) Innervation
(d) Elasticity
(e) Extensibility |
|
Definition
|
|
Term
Fibrous band of connective tissue that holds or pins down muscle tendons. Examples of which would be found near the wrist and ankles.
(a) Retinaculum
(b) Tendon
(c) Direct attachment
(d) Fascia
(e) Ligamentous bands |
|
Definition
|
|
Term
Muscle tone is a state of
(a) Physical perfection
(b) Constant and full muscle contraction
(c) Partial muscle contraction
(d) Muscles after weight-training exercise
(e) Increase muscle bulk due to skeletal hypertrophy |
|
Definition
|
|
Term
Short term energy in muscles is obtained through
(a) Anaerobic glycolysis
(b) Aerobic krebbs cycle
(c) Creatine phosphate pathways
(d) Beta oxidation of lipids
(e) Two of the above |
|
Definition
|
|
Term
T-tubules are best described as
(a) Infoldings of the sarcolemma
(b) Contractile fibers of muscle
(c) Proteins
(d) Actin and myosin fibers
(e) Being anlagous to the Smooth ER of other cells |
|
Definition
|
|
Term
Acetylcholine is a specific type of ________ found in the neuromuscular junction.
(a) Synaptic cleft
(b) Postsynaptic element
(c) Neurotransmitter
(d) Protein
(e) Hormone |
|
Definition
|
|
Term
Calmodulin is a calcium receptor associate with ________ found in _______ muscle.
(a) Actin, skeletal
(b) Myosin, smooth
(c) Actin, cardiac
(d) Actin, smooth
(e) Myosin, cardiac |
|
Definition
|
|
Term
Fine motor control involves motor units with
(a) Small ratios of muscle fibers to nerve
(b) Large ratios of muscle fibers to nerve
(c) Ratios of 3:1 such as the eye
(d) A and C
(e) B and C |
|
Definition
|
|
Term
Which of the following statements are true of myofibrils?
(a) Includes actin and myosin proteins
(b) Contained within the sarcoplasm of the myofiber
(c) Some are described as contractile fibers
(d) Increase in quantity due to resistance type exercises
(e) All of the above |
|
Definition
|
|
Term
Sliding filament theory describes
(a) Communication between neurologic cells
(b) The physiology of muscle contraction
(c) Changes in DNA as related to genetics and evolution
(d) Physiology of cell material transport
(e) Communication between muscle and nerve cells |
|
Definition
|
|
Term
Which is an incorrect type of muscle attachment?
(a) Direct attachments, intercostals
(b) Tendon, biceps brachii
(c) Tendon, frontalis
(d) Aponeurosis, latissimus dorsi
(e) Tendon, soleus |
|
Definition
|
|
Term
Actin properties include
(a) Described as a thick filament
(b) Contains globular heads
(c) Actively pulls the muscle contraction
(d) Is associated with tropomyosin in all muscle types
(e) None of the above |
|
Definition
|
|
Term
Organelle that controls the release of Ca ion within the muscle cell
(a) Motor end-plate
(b) Sarcoplasm
(c) Sarcoplasmic reticulum
(d) T-tubules
(e) Sarcolemma |
|
Definition
|
|
Term
From Z-disc to Z-disc desfines the
(a) A band
(b) I band
(c) H band
(d) Sarcomere
(e) Myocyte |
|
Definition
|
|
Term
Myosin stroke is primarily due to
(a) Obtainment of a low energy position and release of ADP
(b) Utilization of ATP energy
(c) Extension of myosin into a high energy position
(d) Time to recover a new ATP source
(e) Utilization of creatine phospahte |
|
Definition
|
|
Term
Smooth muscle is described as _______ resistant and contracts like a(n) _______.
(a) Fatigue, wringing towel
(b) Oxygen, accordian
(c) Fatigue, accordian
(d) Stretch, wringing towel
(e) Stretch, accordian |
|
Definition
|
|
Term
Increased tension with repeated recruitment of the motor unit best defines this property
(a) Treppe
(b) Isometric contraction
(c) Twitch
(d) Tetanus
(e) Incomplete tetanus |
|
Definition
|
|
Term
Action potentials are best described as
(a) Communicative signal that crosses the synaptic cleft
(b) Electrical potential between the ECF and ICF
(c) Electrochemical events
(d) Flight or fight events invoked by the nervous system
(e) None of the above |
|
Definition
|
|
Term
Connective tissue covering that surrounds each individual muscle fiber
(a) Perimysium
(b) Epineurium
(c) Endomysium
(d) Endoneurium
(e) Epimysium |
|
Definition
|
|
Term
The Z-disc is a protein plate that anchors _______ fibers.
(a) Actin and titin
(b) Actin
(c) Titin
(d) Myosin
(e) Elastin |
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Definition
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Term
Words that may describe an action potential could include
(a) "Pain"
(b) "All or None event"
(c) "The physical muscle contraction"
(d) "Flight or fight"
(e) "State of partial contraction" |
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Definition
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Term
Sources of energy for muscles could include
(a) ATP
(b) Glycogen
(c) Creatine Phosphate
(d) Triacylglycerides
(e) All of the above |
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Definition
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Term
Which of the following events would occur first?
(a) Action potential from the corresponding motor nerve
(b) Generation of end-plate potentials at the motor endplate
(c) Release of neurotransmitters from the motor nerve
(d) Release of calcium ion from the terminal cisternae
(e) Transmission of the end-plate potential across the sarcolemma |
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Definition
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Term
The soleus muscle would be described as having a _______ ratio when describing its _______. This means that there is one nerve to a _______ of muscle fibers
(a) Large, motor units, larger number
(b) Small, motor units, smaller number
(c) Postural, muscle function, smaller number
(d) Postural, muscle, function, larger number
(e) Postural, motor units, small number |
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Definition
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Term
Sarcomere structure is associated with
(a) Skeletal muscle
(b) Cardiac muscle
(c) Smooth muscle
(d) Two of the above
(e) All of the above |
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Definition
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Term
Functions of muscles would include
(a) Control of body openings
(b) Heat production
(c) Communication
(d) Locomotion
(e) All of the above |
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Definition
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