Quiz 1 Review Flashcards
Baroreceptors within the carotid body detect pressure change, they reach the CNS via the ___________________?
glossopharyngeal nerve
Axons from the ciliary ganglion release ______ on the muscle of the iris?
ACh
Which respiratory center controls and regulates inspiration?
dorsal respiratory group
Which respiratory center forces and controls expiration?
ventral respiratory group
Which respiratory center controls the rate and depth of ventilation?
pneumotaxic center
Which branch of the ANS would be used to increase motility of the digestive system?
parasympathetic
Explain why the adrenal medulla can be considered a displaced sympathetic ganglia?
because it releases NE when a preganglionic neuron is synapsed
Cardiovascular regulation involves visceral receptors which project and synapse in the _____________?
solitary nucleus
Put the following structures in order, to correctly represent the circuit of a pupillary light reflex
-bright light
-CN III
-photoreceptors
-EW nucleus
-interneuron
- CN II
-muscles within iris
-bright light
-photoreceptors
-CN II
-interneuron
-EW nucleus
- CN III
-muscles within iris
An increase in BP would activate ______________ and ___________ the sympathetic NS
baroreceptors, inhibit
Sympathetic chain ganglia are also called _________________?
paravertebral ganglia
T/F: Both sympathetic and parasympathetic systems have efferents that originate in the lateral horn
true
Sympathetic tone to the tunica media helps control blood pressure, which of the following is true?
A) vasoconstriction is a result of high blood pressure
B) sympathetic tone is constant
C) weak sympathetic tone causes vasoconstriction
D) strong sympathetic tone causes vasoconstriction
D) strong sympathetic tone causes vasoconstriction
2 clusters of nuclei important for respiratory function, referred to as “respiratory groups” are located in the __________
medulla
The ANS does not innervate ____________?
skeletal muscle
