Term
What is the functional unit of a muscle |
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Definition
Alpha motor neuron plus all muscle fibers it innervate |
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Term
What is the functional unit of a muscle fiber |
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Definition
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Term
Where does a Sarcomere exist |
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Definition
Between Z bands or Z lines |
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Term
What band of muscle does light not pass through, contains myosin, and remains the same with contraction |
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Definition
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Term
What band of muscle does light pass through, only has actin, and shortens with contraction |
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Definition
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Term
What band of muscle contains only myosin has no overlap with Actin and disappears with contraction |
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Definition
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Term
Under "HI" contraction the ___ |
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Definition
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Term
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Definition
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Term
What is the covering of a muscle fiber |
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Definition
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Term
What is the covering of a muscle fascicle |
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Definition
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Term
what covers the entire muscle |
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Definition
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Term
Prior to contraction what is actin bound to |
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Definition
the troponin portion of troponin tropomyosin complex |
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Term
Prior to contraction what is myosin bound to |
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Definition
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Term
Where is Ca initially released from to initiate contraction? |
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Definition
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Term
When Ca from the presynaptic knob is released what happens inside the synaptic knob? |
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Definition
Ach (acetylcholine) is released and crosses synapse into the muscle |
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Term
When Ach crosses the synapse into the muscle what is picks it up? |
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Definition
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Term
When the t-tubules pick up the Ach where does it go and what does it do |
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Definition
it goes to the sarcoplasmic reticulum to release intramuscular Ca |
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Term
Intramuscular calcium when it is release will bind to |
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Definition
troponin and releasing actin |
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Term
Intramuscular calcium will convert ATP to |
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Definition
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Term
When there is contraction the myosin heads __ to allow the actin filaments to __ |
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Definition
cock in power stroke; slide causing muscle contraction |
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Term
The primary breakdown of AcH in muscle contraction is called |
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Definition
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Term
The secondary breakdown of Ach is called |
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Definition
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Term
1 molecule of acetylcholinesterase will break down __ Ach |
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Definition
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Term
What happens if there is no AcH |
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Definition
no intramuscular Ca released actin is bound to troponin-tropomyosin complex ATP is bound to myosin |
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Term
What is contraction with no joint movement? |
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Definition
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Term
What is contraction against gravity |
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Definition
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Term
what is contraction with constant speed |
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Definition
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Term
What contraction will shorten the muscle belly? |
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Definition
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Term
What contraction will lengthen the muscle belly? |
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Definition
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Term
What contraction will produce the most strength? |
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Definition
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Term
What pathology will cause a stoppage of Ach release? |
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Definition
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Term
What is the first and second sign of clostridium botulinum |
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Definition
double vision (diplopia) ; death |
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Term
Where is clostridium botulinum found? |
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Definition
raw honey (floppy baby syndrome) |
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Term
What pathology has an autoimmune reaction to AcH receptors? |
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Definition
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Term
What organ is responsible for myasthenia gravis? |
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Definition
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Term
What pathology blocks inhibitory neurotransmitters and generally produces a lock jaw |
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Definition
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Term
In clostridium tetanae neurotransmitter GABA will effect the |
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Definition
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Term
In clostridium tetanae neurotransmitter Glycine will effect the |
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Definition
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Term
When there is an increase of ADP instead of ATP over time what pathology will occur |
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Definition
Rigamortis (muscle contraction alone) |
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Term
What attaches to dence bodies from one cell to another in smooth muscle contraction |
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Definition
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Term
There is no ___ in smooth muscle |
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Definition
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Term
What does calcium bind to in smooth muscle contraction |
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Definition
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Term
When calmodulin/calcium complex joins with myosin kinase what will be activated? |
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Definition
regulatory light chain of myosin |
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Term
In cases of smooth muscle relaxation what is used to break the contraction? |
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Definition
myosin phosphatase/calcium pump |
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Term
Skeletal muscle activation is |
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Definition
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Term
Skeletal muscle strength is |
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Definition
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Term
What is the energy required to sustain a skeletal muscle contraction |
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Definition
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Term
Smooth muscle activation is |
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Definition
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Term
Smooth muscle strength is |
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Definition
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Term
What type of muscle contraction uses the latch mechanism |
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Definition
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Term
What type of muscle contraction has the calcium channels more involved |
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Definition
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Term
What type of muscle contraction has the sodium channels more involved |
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Definition
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Term
What is the cause of skeletal muscle relaxation |
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Definition
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Term
What causes smooth muscle relaxation |
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Definition
myosin phosphatase and calcium pump |
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Term
What muscle contraction uses troponin |
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Definition
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Term
What muscle contraction uses calmodulin |
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Definition
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Term
What type of fibers would a marathon runner use? |
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Definition
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Term
What type of fibers with a sprinter or weightlifter use? |
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Definition
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Term
What type of fibers have red color due to myoglobin |
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Definition
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Term
What type of fibers have white collar due to lack of myoglobin |
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Definition
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Term
What types of fibers use more mitochondria |
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Definition
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Term
What type of fibers use a aerobic glycolysis and the Krebs cycle |
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Definition
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Term
What type of glycolysis do fast twitch fibers use |
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Definition
anaerobic (short term energy) |
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Term
What type of fibers use more glycolytic enzymes |
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Definition
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Term
What characterizes a loss of temperature through contact |
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Definition
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Term
What characterizes airwaves cooling off an object like coffee or soup |
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Definition
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Term
How do you normally give off heat |
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Definition
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Term
What describes perspiration a pseudomotor activity |
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Definition
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Term
What is initiated from what nervous system |
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Definition
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Term
What use is muscarinic receptors in response to AcH |
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Definition
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Term
What type of diffusion uses a carrier proteins |
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Definition
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Term
Name two types of gates used in facilitated diffusion |
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Definition
Voltage gate Ligand gating |
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Term
electrical charge openings gate |
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Definition
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Term
bind chemical with proteins to open gate |
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Definition
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Term
Primary active transport requires what |
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Definition
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Term
Secondary active transport is also known as |
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Definition
Cotransport to save energy |
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Term
Hey high concentration of ___ will carry molecules such as amino acids and glucose into the cell |
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Definition
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Term
What is described as a high concentration to lower concentration such as water leaving the collecting duct |
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Definition
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Term
What autonomic impulses are controlled by sympathetic nervous system (4 exceptions) and respond to epinepherine and norepinepherine |
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Definition
Sweat, Pili erectae, capillary of skin, and arteriole of muscle |
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Term
What transports excitatory impulses in the CNS |
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Definition
ACH, norepinephrine, epinephrine, glutamate, dopamine, and serotonin |
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Term
What does glutamate act on in the excitatory CNS |
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Definition
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Term
What does dopamine act on in the excitatory CNS |
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Definition
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Term
What effects the left brain with depression in the transmission of impulses in the excitatory CNS |
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Definition
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Term
What is used in the neuromuscular junction of the PNS |
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Definition
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Term
What is used in the autonomic nervous system in the PNS |
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Definition
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Term
What two receptors do ACH activate |
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Definition
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Term
What receptor uses effector cells of the parasympathetic nervous system |
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Definition
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Term
What receptors are skeletal muscle fibers and pre-ganglionic sympathetic and parasympathetic used in |
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Definition
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Term
When you have an increased hydrostatic pressure what will happen to the lymphatic flow? |
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Definition
increased (getting fatty acids out) |
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Term
An increased oncotic pressure will cause |
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Definition
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Term
Decreased oncotic pressure will cause |
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Definition
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Term
What measures the amount of ions in the blood |
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Definition
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Term
What controls osmotic pressure |
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Definition
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Term
If there is a decreased osmotic pressure what happens to the sodium |
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Definition
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Term
if there is a increased osmotic pressure what will happen to the sodium |
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Definition
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Term
Muscle fibers that are slow twitch 100 ms the fire used in endurance and krebs |
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Definition
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Term
What are hybrid muscle fibers aka fast twitch oxadating fibers that take 50 ms to fire and use Krebs |
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Definition
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Term
What are fast twitch anarobic fibers that take 25 ms to fire |
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Definition
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Term
Type 2b convert to 2A muscle fibers with __ |
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Definition
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Term
Which fibers would a couch potatoe have the most of |
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Definition
2b fibers all white fibers |
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Term
Most smooth muscle fibers are __ |
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Definition
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Term
What smooth muscle fibers are single unit? |
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Definition
iris of the eye; pili erectae tissue |
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Term
Sympathetic nervous system reactions are |
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Definition
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Term
Muscarinic reactions are __ |
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Definition
autonomic parasympathetic reactions |
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Term
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Definition
ANS and skeletal muscles (relaxing to smoke) |
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