Which ion causes depolarization in olfactory neurons?
A. Na+
B. K+
C. Ca2+
D. Both Na+ and K+ are correct.
E. Both Na+ and Ca2+ are correct.
Answer: E
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The presence of proteins in the plasma tends to
A. push fluid across the filtration membrane. B. draw fluid back into the glomerulus.
Part complete How would the partial pressures of O2 and CO2 change in an exercising muscle?
a) The partial pressure of O2 would increase, and the partial pressure of CO2 would decrease. b) The partial pressure of O2 would decrease, and the partial pressure of CO2 would increase. c) The partial pressures of O2 and CO2 would remain unchanged.
What do you call the outermost connective tissue wrapping that surrounds the kidney?
A) Nephron B) Renal cortex C) Renal medulla D) Renal capsule
In the diagram of the tibia and fibula, which structure(s) articulate(s) with the talus and forms a protrusion on the medial surface of the ankle?