homework 14
Which statement is true regarding the ANS?
The integrative centers for autonomic activity are located in the hypothalamus.
Which is a characteristic of the parasympathetic division of the ANS?
The location of PNS ganglia is typically intramural.
The intrinsic eye muscles are the target organs of neurons from which parasympathetic ganglion?
ciliary ganglion
Visceral organs of the neck, thoracic cavity, and most of the abdominal cavity are target organs of which parasympathetic ganglia?
intramural ganglia
The sympathetic and parasympathetic divisions of the ANS:
may work together, each controlling a stage of a complex process.
Regarding the dual autonomic innervation of the heart, __________.
parasympathetic effects predominate at rest
When comparing the SNS and ANS, which of the following are unique to the ANS?
preganglionic neurons
Which of the following is a characteristic of the enteric nervous system?
All of the neurotransmitters found in the brain are found in the ENS.
Part complete Which cranial nerve provides roughly 75 percent of all parasympathetic outflow?
CN X
If the doctor prescribed a different drug that blocked all alpha receptors, what additional side effect might Lisa experience?
Increased digestive activity
Which side effect below is most likely to result when taking Prazosin?
Low heart rate
Which is correct regarding neurotransmitter release in the sympathetic division?
Norepinephrine and epinephrine interact with adrenergic receptors in the plasma membrane.
Lisa is most likely suffering from hyperactivity in
The sympathetic division of her ANS
Which of the following is a characteristic of chemoreceptors of the aortic bodies?
They are sensitive to changes in the pH, PCO2, and PO2 in arterial blood.
Activation of adenylate cyclase is a mechanism of which membrane receptor?
adrenergic beta receptor
Reduction in heart rate and force of contraction is a response in which visceral reflex?
baroreceptor reflex
Parasympathetic innervation of the lungs is via the:
cardiac plexuses.
Which of the following is a sympathetic collateral ganglion?
celiac ganglion
Which autonomic plexus is found immediately inferior to the diaphragm?
celiac plexus
Which is a sympathetic effect on the neurohypophysis?
secretion of ADH
In the sympathetic division of the ANS, the superior mesenteric ganglion innervates the __________.
small intestine
Nuclei in which structure(s) control basic visceral reflex patterns?
spinal cord and brain stem
