10 Questions
What is the effect of dopamine on the heart?
It has a positively inotropic effect
What is the level of catecholamine secretion in basal states?
Low
What happens to epinephrine secretion during sleep?
It decreases
What is the effect of emotional stresses on norepinephrine secretion?
It decreases
What is the effect of epinephrine secretion on systolic hypertension?
It increases it
What is the characteristic of 15% of epinephrine-secreting tumors?
They secrete epinephrine episodically
What are the symptoms produced by epinephrine-secreting tumors?
Intermittent bouts of palpitations, headache, and glycosuria
How can catecholamines be measured in a laboratory?
Through a 24-hour urine collection
What are the metabolites of catecholamines measured in a laboratory?
Vanillymandelic Acid (VMA) and metanephrines
What type of tumors secrete norepinephrine, epinephrine, or both?
Adrenal medullary tumors
This quiz covers the topic of adrenal androgens, including their structure, function, and metabolism, as discussed in Lecture 13 of Endocrine Physiology.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
