Sensory neurons within intestinal plexuses that travel in the vagus nerve to the CNS are called ________.
A. myenteric afferents
B. paracrine regulators
C. intrinsic afferents
D. extrinsic afferents
Answer: D
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How would a chemical that prevents the opening of voltage-regulated Na+ channels affect the function of a neuron?
A) The neuron will only be able to hyperpolarize. B) The neuron will depolarize more rapidly. C) Action potentials will lack a repolarization phase. D) The neuron will automatically and repeatedly produce graded potentials. E) The neuron will only be capable of producing graded potentials.
Atrial natriuretic peptide (ANP) inhibits the release of aldosterone, ADH, and renin
Indicate whether this statement is true or false.
What condition results from excess fluid in the pericardial cavity compressing the heart and reducing the capacity of the ventricles to fill with blood?
What will be an ideal response?
Correction of hypoxemia is regulated by ________
A) an enzymatic amplification B) a cascade effect C) a self-amplifying mechanism D) a positive feedback loop E) a negative feedback loop