Podcast
Questions and Answers
What is the main effect of the sympathetic nervous system on gastrointestinal (GI) motility and secretion?
What is the main effect of the sympathetic nervous system on gastrointestinal (GI) motility and secretion?
- Has no effect on GI motility and secretion
- Inhibits GI motility and secretion (correct)
- Stimulates GI motility and secretion
- Stimulates GI motility but inhibits secretion
Which of the following organ systems has dual innervation by both the sympathetic and parasympathetic nervous systems?
Which of the following organ systems has dual innervation by both the sympathetic and parasympathetic nervous systems?
- Respiratory system
- Cardiovascular system
- Digestive tract (GIT) (correct)
- Urinary system
What is the relationship between the effects of the sympathetic and parasympathetic nervous systems on the same organ?
What is the relationship between the effects of the sympathetic and parasympathetic nervous systems on the same organ?
- The effects are always complementary
- The effects can be antagonistic, complementary, or cooperative depending on the organ (correct)
- The effects are always antagonistic
- The effects are always cooperative
What is the purpose of the sympathetic tone?
What is the purpose of the sympathetic tone?
What is the role of the parasympathetic tone (or vagal tone) on the heart?
What is the role of the parasympathetic tone (or vagal tone) on the heart?
What are the main symptoms of Horner's syndrome?
What are the main symptoms of Horner's syndrome?
Which of the following is an organ system with dual innervation by the sympathetic and parasympathetic nervous systems?
Which of the following is an organ system with dual innervation by the sympathetic and parasympathetic nervous systems?
What is the main effect of the sympathetic nervous system on the pupil of the eye?
What is the main effect of the sympathetic nervous system on the pupil of the eye?
What type of receptors are adrenergic receptors?
What type of receptors are adrenergic receptors?
Which neurotransmitter excites more receptors than receptors?
Which neurotransmitter excites more receptors than receptors?
What type of response is typically induced by the interaction of catecholamines with 2 and 2 receptors?
What type of response is typically induced by the interaction of catecholamines with 2 and 2 receptors?
Which of the following organs is mainly affected by epinephrine due to its greater effect on stimulating the receptors?
Which of the following organs is mainly affected by epinephrine due to its greater effect on stimulating the receptors?
Which neurotransmitter causes stronger constriction of blood vessels in muscles?
Which neurotransmitter causes stronger constriction of blood vessels in muscles?
Which type of receptor is the muscarinic receptor M-AChR?
Which type of receptor is the muscarinic receptor M-AChR?
Where are some postganglionic sympathetic terminals located?
Where are some postganglionic sympathetic terminals located?
What is the primary neurotransmitter released at parasympathetic postganglionic synapses?
What is the primary neurotransmitter released at parasympathetic postganglionic synapses?
Which neurotransmitter is primarily released by postganglionic sympathetic neurons?
Which neurotransmitter is primarily released by postganglionic sympathetic neurons?
At which synapses are nicotinic acetylcholine receptors found?
At which synapses are nicotinic acetylcholine receptors found?
What happens when acetylcholine binds to nicotinic receptors on postganglionic neurons?
What happens when acetylcholine binds to nicotinic receptors on postganglionic neurons?
Which of the following is NOT a type of autonomic ganglion?
Which of the following is NOT a type of autonomic ganglion?
What is the primary function of nicotinic acetylcholine receptors at autonomic ganglia?
What is the primary function of nicotinic acetylcholine receptors at autonomic ganglia?
Which statement about enophthalmos is true?
Which statement about enophthalmos is true?
What is the primary function of the nicotinic receptors at the autonomic ganglia?
What is the primary function of the nicotinic receptors at the autonomic ganglia?
What is the primary purpose of the alarm or stress response?
What is the primary purpose of the alarm or stress response?
What is the primary effect of the sympathetic nervous system during the stress response?
What is the primary effect of the sympathetic nervous system during the stress response?
Which of the following is NOT a stress factor that can trigger the release of epinephrine and norepinephrine?
Which of the following is NOT a stress factor that can trigger the release of epinephrine and norepinephrine?
Which hormone has a 5 to 10 times greater metabolic effect than norepinephrine?
Which hormone has a 5 to 10 times greater metabolic effect than norepinephrine?
During the stress response, what happens to the blood flow to active muscles?
During the stress response, what happens to the blood flow to active muscles?
What is the primary effect of the stress response on cellular metabolism throughout the body?
What is the primary effect of the stress response on cellular metabolism throughout the body?
Which of the following is NOT a result of the stress response?
Which of the following is NOT a result of the stress response?
What is the primary function of the hormones released during the stress response?
What is the primary function of the hormones released during the stress response?
What involuntary body functions are primarily controlled by the autonomic nervous system?
What involuntary body functions are primarily controlled by the autonomic nervous system?
Which division of the autonomic nervous system is responsible for constricting pupils and slowing heart rate?
Which division of the autonomic nervous system is responsible for constricting pupils and slowing heart rate?
Which division of the autonomic nervous system is associated with activities like dilation of pupils and increasing heart rate?
Which division of the autonomic nervous system is associated with activities like dilation of pupils and increasing heart rate?
What effect does the sympathetic nervous system have on arterial blood pressure?
What effect does the sympathetic nervous system have on arterial blood pressure?
Which division of the autonomic nervous system stimulates gastrointestinal motility and secretion?
Which division of the autonomic nervous system stimulates gastrointestinal motility and secretion?
'Far vision' is primarily associated with which division of the autonomic nervous system?
'Far vision' is primarily associated with which division of the autonomic nervous system?
Which division of the autonomic nervous system is responsible for increasing blood flow to active muscles and organs?
Which division of the autonomic nervous system is responsible for increasing blood flow to active muscles and organs?
'Near vision' is primarily associated with which division of the autonomic nervous system?
'Near vision' is primarily associated with which division of the autonomic nervous system?
