Ch 15 ANS Reflexes Flashcards
1
Q
What are visceral reflexes?
A
unconscious and automatic responses to stimulation involving visceral receptors and effectors
2
Q
What is involved in the visceral reflex arc?
A
receptors, afferent neurons, integrating center, efferent neurons, effectors
3
Q
Examples of visceral reflexes
A
defecation, urination, swallowing, coughing, baroreceptor, sexual arousal, GI
4
Q
Baroreflex process
A
- baroreceptors sense increased blood pressure
- glossopharyngeal nerve transmits signals to medulla oblongata
- vagus nerve transmits inhibitory signals to cardiac pacemaker
- heart rate decreases
