On the cervical, thoracic, and lumbar vertebrae, which structures are thin plates that form the posterior portion of the vertebral foramen?
A. Facets
B. Spinous processes
C. Pedicles
D. Transverse processes
E. Laminae
Answer: E
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What would the pulse pressure and mean arterial pressure be for an individual with a blood pressure of 120/80?
a) 40; 100 b) 40; 93.3 c) 40; 103.3 d) 200; 100 e) 100; 200
Which of the following terms is NOT used to define the structure that separates the contents of a human cell from its surrounding medium?
A) a cell membrane B) a cell wall C) plasmalemma D) plasma membrane E) All of the answers are correct.
The period of time when Na+ channels are recovering from their inactive state and K+ channels are still open is the ________.
A. repolarization B. relative refractory period C. absolute refractory period D. Both repolarization and relative refractory period are correct.
Which factors contribute to the generation of the resting membrane potential? select all that apply.
-the electrical attraction of cations and anions to each other. -selective permeability of the membrane, allowing some ions to pass more easily than others -diffusion of ions down their concentration gradients through the membrane. the movement of water across the membrane into a region of higher concentration of solute -the electrical attraction of cation and anions to each other -selective permeability of the membrane, allowing some ions to pass more easily than others. -diffusion of ions down their concentration gradients through the membrane