BETA
Medical Hub
/
Clinical Pathology, Endocrinology Lab Tests, Immunology & Special Diagnostic Tests
Question 278 / 280
🛡️
Hard
CLINICALPATHOLOGY-243
SERUM CORTISOL and the SHORT SYNACTHEN TEST are performed to diagnose adrenal insufficiency. What defines a NORMAL RESPONSE to synacthen (synthetic ACTH)?
A. Cortisol must rise above 500 nmol/L at any point
B. A CORTISOL RISE TO ≥ 500–550 nmol/L (or by > 200 nmol/L from baseline) at 30 or 60 MINUTES AFTER 250 µg synacthen = NORMAL RESPONSE
C. Cortisol must fall by > 50% to be normal
D. No change in cortisol = normal response
← Previous Question
C-REACTIVE PROTEIN (CRP) and PROCALCITONIN (PCT) are acute phase reactants. How ...
Next Question →
SERUM LIPID PROFILE includes total cholesterol, LDL-cholesterol, HDL-cholesterol...
EXAM
AI