Neurotransmitters:
a. are released by the postsynaptic neuron
b. are distributed randomly throughout the nervous system
c. can diffuse back into the synaptic knob
d. all of the above
c. can diffuse back into the synaptic knob
You might also like to view...
Aldosterone
A) is secreted in response to decreased levels of potassium in the blood. B) promotes sodium retention in the kidneys. C) helps decrease blood volume and lower blood pressure. D) regulates blood calcium levels. E) regulates water reabsorption in the kidneys.
A healthy human brain will continue to develop until the approximate age of ________.
A. 50 B. 60 C. 25 D. 35
Distinguish between neurons and neuroglia
What will be an ideal response?
Which of the following correctly compares the factors involved in bulk flow of fluid in systemic and pulmonary capillaries?
A. The protein oncotic pressure inside pulmonary capillaries is significantly greater. B. There are no lymphatic vessels to remove fluid from lung interstitial fluid. C. The hydrostatic pressure inside pulmonary capillaries is significantly lower. D. The protein oncotic pressure is lower in pulmonary interstitial fluid than in typical systemic interstitial fluid. E. The Starling's forces overwhelmingly favor reabsorption all along the length of pulmonary capillaries.