Physioex - Study guides, Class notes & Summaries

Neurophysiology of Nerve Impulses. Physioex 3 questions and answers already solved 2024

What was the effect of adding Na+- K+ pumps to the simulated cell - Transport of the ions was faster The movement of sodium and potassium maintained by the Na+ - K+ pump requires ____________ and is ________ concentration gradient - ATP, against Sodium-potassium pump moves _______ sodium ions and ____________ potassium ions simultaneously - 3, 2 Lipid insoluble - Solutes that require active transport for movement might be too large to pass or might be At what concentration of ATP were th...

Pre Lab: The time after an action potential when a second action potential cannot be generated no matter how intense the stimulus is called the threshold absolute refractory period relative refractory period prolonged stimulus correct answersabsolute refractory period Pre Lab: The time after an action potential when a second action potential can be generated only if the stimulus intensity is increased is called the threshold absolute refractory period relative refractory period pr...

PhysioEx Exercise 3 Activity 1-6 Questions with 100% Correct Answers What is the approximate concentration of K+ inside a typical cell (intracellular concentration)? a. 150 mM b. 5 mM c. 0 mM d. 15 mM - Answer️️ -150 mM What is the approximate concentration of K+ outside a typical cell (extracellular concentration)? a. 150 mM b. 5 mM c. 0 mM d. 15 mM - Answer️️ -5 mM What is the approximate concentration of Na+ inside a typical cell (intracellular concentration)? ©SOPHIA...

PhysioEx Exercise 3 quiz with well answered questionsWhat is the approximate concentration of K+ inside a typical cell? - correct answer 150mM What is the approximate concentration of Na+ inside a cell? - correct answer 5mM What is the approximate concentration of Na+ outside a cell? - correct answer 150mM What is the approximate concentration of K+ outside a typical cell? - correct answer 5mM A negative membrane potential was recorded when the tip of the microelectrode was - correct...

PhysioEx 4: Physiology Lab 4 Test 100% Correct

Does active or passive transport require the cell to provide energy in the form of ATP? Active Transport The movement of particles from an area of greater concentration to an area of lesser concentration is a. diffusion b. osmosis c. active transport d. kinetic energy *a. diffusion b. osmosis (water across semipermeable membrane) c. active transport (usually against gradient) d. kinetic energy (energy of motion) All of the following are true of active transport except a. ...

PhysioEx Exercise 7 question and answers graded A+ 2023D - correct answer Internal and external respiration depends on several factors. Which of the following is NOT an important factor in gas exchange? A) partial pressure of the gases B) rate of blood flow through the tissue C) available surface area D) the molecular weight of the gas D - correct answer During inhalation, A) the volume of the thoracic cavity decreases. B) the diaphragm relaxes. C) oxygen molecules move into the lu...