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PhysioEx Exercise 3 Questions and Answers (50 Questions) Latest 2025 with multiple choices
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PhysioEx Exercise 3 Questions and Answers (50 Questions) Latest 2025 with multiple choices
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PhysioEx Exercise 3 Questions andAnswers (50 Questions) Latest 2025 with
multiple choices
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 - Correct Answer ✅ 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 - Correct Answer ✅ 5 mM
What is the approximate concentration of Na+ inside a
typical cell (intracellular concentration)?
,PhysioEx Exercise 3 Questions and
Answers (50 Questions) Latest 2025 with
multiple choices
a. 150 mM
b. 5 mM
c. 0 mM
d. 15 mM - Correct Answer ✅ 5 mM
What is the approximate concentration of Na+ outside a
typical cell (extracellular concentration)?
a. 150 mM
b. 5 mM
c. 0 mM
d. 15 mM - Correct Answer ✅ 150 mM
A negative membrane potential was recorded when the tip of
the microelectrode was
a. in the extracellular solution, just outside the cell body
b. just inside the cell body
, PhysioEx Exercise 3 Questions and
Answers (50 Questions) Latest 2025 with
multiple choices
c. just inside the axon
d. both inside the cell body and inside the axon - Correct
Answer ✅ both inside the cell body and inside the axon
Which of the following caused a change in membrane
potential from -70 to -40 in the cell body?
a. an increase in extracellular K+
b. a decrease in extracellular K+
c. an increase in extracellular Na+
d. a decrease in extracellular Na+ - Correct Answer ✅ an
increase in extracellular K+
Which of the following has the most negative voltage?
a. between the outside of the axon and outside the cell body
with control K+ ECF
b. between the outside of the axon and outside the cell body
with High K+ ECF
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