Podcast
Questions and Answers
What is one precaution mentioned for ensuring accurate measurement of catecholamines?
What is one precaution mentioned for ensuring accurate measurement of catecholamines?
- Urine samples should be exposed to sunlight for better results
- Use of antioxidants like glutathione can lower catecholamine values
- Placing urine samples in clear containers is recommended
- Prolonged exposure to platelets may increase catecholamine values (correct)
What is the recommended patient position prior to collecting samples for catecholamine testing?
What is the recommended patient position prior to collecting samples for catecholamine testing?
- Sitting
- Standing
- Lying down for 15 to 30 minutes (correct)
- Walking around
Which food items should be restricted prior to the collection of urine samples for catecholamine testing?
Which food items should be restricted prior to the collection of urine samples for catecholamine testing?
- Citrus fruits, vanilla, coffee (correct)
- Bananas, chocolates, tea
- Bread, rice, vegetables
- Cocoa, coffee, milk
In which position do norepinephrine levels increase markedly according to the text?
In which position do norepinephrine levels increase markedly according to the text?
Which hormone is the major intact catecholamine in urine?
Which hormone is the major intact catecholamine in urine?
Why is the measurement of urine metanephrines considered the assay of choice for Pheochromocytoma?
Why is the measurement of urine metanephrines considered the assay of choice for Pheochromocytoma?
What can be used as a marker to follow the response of patients with adrenal medullary insufficiency to treatment?
What can be used as a marker to follow the response of patients with adrenal medullary insufficiency to treatment?
In which conditions are increased norepinephrine and dopamine but not epinephrine seen?
In which conditions are increased norepinephrine and dopamine but not epinephrine seen?
What is the primary reason for using antioxidants when collecting urine samples for catecholamine testing?
What is the primary reason for using antioxidants when collecting urine samples for catecholamine testing?
What restrictions should be followed in terms of food intake prior to collecting urine samples for catecholamine testing?
What restrictions should be followed in terms of food intake prior to collecting urine samples for catecholamine testing?
Why is it important to measure norepinephrine levels in different positions?
Why is it important to measure norepinephrine levels in different positions?
How does stress impact catecholamine values in the body?
How does stress impact catecholamine values in the body?