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IRENE GARCIA/2

QuestionAnswer
WHAT IS THE PRIMARY FUNCTION OF HOMEOSTASIS IN THE HUMAN BODY? TO MAINTAIN STABLE INTERNAL CONDITIONS DESPITE CHANGES IN THE EXTERNAL ENVIORNMENT
WHICH COMPONENT OF THE FEEDBACK LOOP DETECTS CHANGES IN THE BODY INTERNAL ENVIRONMENT? THE RECEPTOR/SENSOR
IN NEGATIVE FEEDBACK SYSTEM, DOES THE RESPONSE INCREASE OR DECREASE THE ORIGINAL STIMULUS? IT DECREASES OR COUNTERACTS THE ORIGINAL STIMUL9I
WHAT TYPE OF TRANSPORT REQUIRES ENERGY IN THE FORM ATP TO MOVE SUBSTANCES ACROSS THE CELL MEMBRANE? ACTIVE TRANSPORT
DURING DIFFUSUION, WHICH DIRECTION DO MOLECULES MOVE? FROM AN AREA OF HIGH CONCENTRATION TO AN AREA OF LOW CONCENTRATION
WHAT IS THE FUNCTION OF THE SODIUM- POTASSIUM PUMP IN THE CELL PHYSIOLOGY? MAINTAINS RESTING MEMBRANE POTENTIAL BY MOVING 3Na* OUT AND 2 K* IN USING ATP
WHAT HAPPENS TO A RED BLOOD CELL PLACED INA HYPOTONIC SOLUTION? IT WILL SWELL AND POSSIBLY BURST DUE TO WATER MOVING INTO THE CELL
WHAT IS THE ROLE OF CALCIUM IONS (Ca2*) IN A MUSCLE COTRACTION? THEY BIND THE TROPONIN, MOVING TROPOMYOSIN TO EXPOSE ACTIN BINDING SITES FOR MYOSIN
WHAT IS THE DIFFERENCE BETWEEN A GRADED POTENTIAL AND AN ACTION POTENTIAL? GRADED POTENTIAL IS SMALL AND LOCALIZED, WHILE AN ACTION POTENTIAL IS ALL-OR-NONE AND TRAVELS ALONG THE AXON
WHICH PART OF THE NEURON SENDS THE SIGNAL TO OTHER CELLS? THE AXO TERMINAL (SYNAPTIC KNOB)
WHAT IS THE PURPOSE OF MYELIN ON A NEURONS AXON? TO SPEED UP ELECTRICAL SIGNAL TRANSMISSION THROUGH SALTATORY CODUCTION
WHAT DOES THE REFACTORY PERIOD PREVENT IN A NEURON? IT PREVENTS ANOTHER ACTION POTENTIAL FROM OCCURING IMMEDIATELY, ENSURING ONE-WAY SIGNAL TRANSMISSION
Created by: user-1990829
 

 



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