Expiratory neurons
a. are found in both the DRG and VRG.
b. send impulses to the expiratory muscles during normal quiet breathing.
c. are stimulated by the pneumotaxic center.
d. are stimulated by the inspiratory neurons and in turn inhibit the inspiratory neurons.
e. none of these answers.
D
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A) Changes in potassium have no effect on the resting potential. B) Increasing extracellular potassium decreases the resting potential. C) Increasing extracellular potassium increases the resting potential. D) Increasing the intracellular potassium decreases the resting potential.
Glucose and amino acids are reabsorbed from the glomerular filtrate by the ________.
A. glomerular capillaries B. proximal convoluted tubule C. collecting duct D. renal corpuscle E. distal convoluted tubule
Beta-oxidation of an 18-carbon fatty acid will yield ________ acetyl CoA molecules.
A. 18 B. 6 C. 9 D. 36
What best describes a converging circuit?
A) Axon terminals from multiple input neurons join onto a single postsynaptic neuron. B) One axon of an input neuron branches to make contact with multiple postsynaptic neurons. C) One neuron communicates with multiple parts of the brain. D) An increasing number of neurons are excited down the pathway of the circuit.