Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What is the effect of dopamine on the heart?
What is the effect of dopamine on the heart?
- It has a positively inotropic effect (correct)
- It has no effect on the heart
- It only affects the β2 adrenergic receptors
- It has a negatively inotropic effect
What is the level of catecholamine secretion in basal states?
What is the level of catecholamine secretion in basal states?
- High
- Moderate
- Variable
- Low (correct)
What happens to epinephrine secretion during sleep?
What happens to epinephrine secretion during sleep?
- It increases
- It is abolished
- It remains the same
- It decreases (correct)
What is the effect of emotional stresses on norepinephrine secretion?
What is the effect of emotional stresses on norepinephrine secretion?
Signup and view all the answers
What is the effect of epinephrine secretion on systolic hypertension?
What is the effect of epinephrine secretion on systolic hypertension?
Signup and view all the answers
What is the characteristic of 15% of epinephrine-secreting tumors?
What is the characteristic of 15% of epinephrine-secreting tumors?
Signup and view all the answers
What are the symptoms produced by epinephrine-secreting tumors?
What are the symptoms produced by epinephrine-secreting tumors?
Signup and view all the answers
How can catecholamines be measured in a laboratory?
How can catecholamines be measured in a laboratory?
Signup and view all the answers
What are the metabolites of catecholamines measured in a laboratory?
What are the metabolites of catecholamines measured in a laboratory?
Signup and view all the answers
What type of tumors secrete norepinephrine, epinephrine, or both?
What type of tumors secrete norepinephrine, epinephrine, or both?
Signup and view all the answers
