What is NOT true of the relative refractory period?

A. K+ is moving out of the axon through its open channels.
B. A strong stimulus could cause a depolarization.
C. Many Na+ channels are returning to a closed state.
D. Na+ channels are inactivated.


Answer: D

Anatomy & Physiology

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The exchange of thermal energy between an animal and its environment can occur by

A) Conduction and convection. B) Radiation. C) Evaporation. D) All of the above

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Using the figure below, identify the labeled part.


1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________

Anatomy & Physiology

All of the following are true about the female pelvis compared to the male pelvis EXCEPT ________

A) the pelvic inlet is wider B) the female pelvis has a smaller pelvic outlet C) the pelvic inlet is rounder D) the pubic angle is wider

Anatomy & Physiology

The ________, located in each of the ventricles, produce cerebrospinal fluid

A) interventricular foramina B) basal nuclei C) choroid plexuses D) arachnoid granulations

Anatomy & Physiology