Chloride ion is reabsorbed in the thick ascending limb by
A) simple diffusion.
B) facilitated diffusion.
C) active transport.
D) cotransport with Na and K ions.
E) countertransport for bicarbonate ion.
D
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Which of the following does not represent the correct number of spinal nerves?
A. L1-6 B. C1-8 C. T1-12 D. S1-5
Which of the following cells secretes gastrin?
a) A b) B c) C d) D e) E
A neuron can receive thousands of EPSPs from different neurons, and responds by triggering or not triggering an action potential. This addition and response to the net effect of postsynaptic potentials is called ________.
A. temporal summation B. recruitment C. neuronal coding D. spatial summation E. neural summation
A woman suffers from chronic dizzy spells, resulting in difficulty keeping her body vertical. Which reflex is involved?
A. Withdrawal reflex B. Vestibular reflex C. Startle reflex D. Patellar tendon reflex