Which is TRUE regarding diffusion?
A. It depends upon the random motion of molecules.
B. It results in net movement of molecules from regions of low concentration to regions of high concentration.
C. It is the principal mechanism by which molecules are moved over large distances in the body.
D. It requires energy in the form of ATP.
E. It requires integral membrane proteins to occur.
A
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The conversion of a sensory input to a change in membrane potential in the receptor is known as
A) transduction. B) reception. C) effection. D) potential. E) stimulation.
While definitions of the brainstem may differ, they all include which structure?
A. Cerebrum B. Cerebellum C. Thalamus D. Hypothalamus E. Midbrain
Which type of gland can be locally controlled?
A) sebaceous gland B) merocrine sweat gland C) mammary gland D) apocrine sweat gland E) ceruminous glands
A collapsed intervertebral foramen could affect all of the following spinal nerves EXCEPT ________.
A. T1-T12 B. C2-C8 C. L1-L5 D. C1