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Mam Physio Exam 2
Fill in the Blanks and M.C of Exam 2
41
Physiology
Undergraduate 3
11/30/2011

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Term
Parasympathetic Nervous System
Definition
Name the dominant autonomic nervous system during digestion?
Term
Acetylcholine
Definition
Name the terminal neurotansmitter of the parasympathetic nervous system
Term
Norepinerphrine
Definition
The terminal neruotransmitter for the sympathetic nervous system
Term
Sympathetic Nervous System
Definition
Dominant autonomic nervous system for exercise and stress
Term
Somatic nervous system (1)
Definition
Voluntary motor nervous system that innervates skeletal muscle? and the Number of nerves?
Term
Stress and Exercise
Definition
Name an activity in which the sympathetic nervous system will be active.
Term
Bound Hormone
Definition
Method by which lipid-soluble hormones are moved through the blood
Term
Potentiation
Definition
When 2 or more hormones work to amplify the effect of either one on a cellular function
Term
Prohormone
Definition
a hormone secreted into the circulatory system that is activated by removing some amino acids
Term
Graded Potential
Definition
A change in resting membrane potential that is variable in polarity, duration and magnitude.
Term
Relative Refractory Period
Definition
A time period in which the neuron is only to a much higher stimulation than threshold
Term
Propogation
Definition
Depolarization of the adjacent area results in an action potential and continues down the axon.
Term
Excitator Post synaptic potential (EPSP's)
Definition
Depolarization of the adjacent cell membrane the result of chemical synaptic transmission
Term
Calcium (Ca2+)
Definition
Name the ion signal for chemical transmission
Term
Enzymatically Degrades
Definition
How does the body get rid of a hormone
Term
Calmodulin
Definition
Name the second messenger system involved with the ion that is responsible for the signal of chemical synaptic transmission
Term
Orthograde
Definition
Name the axonal process by which materials from the cell body are transported to the axon terminal
Term
Anterior Pituitary
Definition
Name the organ that secretes Growth Hormone
Term
Parathyroid
Definition
name the organ that secretes parathyroid hormone
Term
Posterior Pituitary
Definition
name the organ area that secretes antidiuretic Hormone
Term
Veins
Definition
Large vessel that conducts blood to the heart
Term
Valves
Definition
Structure that prevents the back flow of blood in the heart
Term
Left Ventricle
Definition
Part of the Heart that sends blood systemically to the rest of the body
Term
Portal System
Definition
Term for a circulatory pattern that goes from one capillary bed to another without going through heart
Term
Bradyacardia
Definition
Term for slow heart rate
Term
Tachycardia
Definition
Term for a fast heart rate
Term
Parasympathetic
Definition
Nervous system that may cause a slow heart rate
Term
Twitch
Definition
Term for a single contaction relaxation cycle
Term
Tetany
Definition
Term for maximal skeletal muscle sustained contraction
Term
Hypertrophy
Definition
Term for an increase protein content and contractile properties in a muscle fiber
Term
Optimal Stretch
Definition
Specific term for the most efficient arrangement of the working proteins in skeletal muscle
Term
Oxidative Slow fiber
Definition
Skeletal muscle fiber characterized with a high density of capillaries, most aerobic and low expression of glycolytic enzymes
Term
Myometrium
Definition
Smooth Muscle of the uterus
Term
Progesterone
Definition
The Hormone that drops in concentration to signal the uterine contractions
Term
Oxytocin
Definition
Name the hormone that promotes the contraction of the myometrium
Term
Prostaglandins
Definition
Name the local factor group of molecules (lipids) that promote uterine contractions
Term
Increased
Definition
Tyep of change in uterine wall tension promoting contraction
Term
Mitochondria
Definition
Organelle found in oxidative slow fibers in great abundance that functions aerobically
Term
Creatine kinase
Definition
Enzyme that shuttles the phosphate from creatine phosphate to ADP
Term
Glycogen
Definition
Substrate for a glycolytic fast fiber to metabolically generate ATP
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