ATI LPN
PN Learning System Medical Surgical Endocrine Practice Quiz Questions
Question 1 of 5
Hyperpigmentation in patients with Cushing's syndrome always points to extra-adrenal tumor
Correct Answer: B
Rationale: Hyperpigmentation in Cushing's can also occur with pituitary ACTH excess (Cushing's disease), not just ectopic sources.
Question 2 of 5
Myasthenia gravis is frequently associated with:
Correct Answer: A
Rationale: Thymomas are associated with myasthenia gravis in 8-10% of cases.
Question 3 of 5
All the following concerning syringomyelia are true, except:
Correct Answer: A
Rationale: Syringomyelia typically involves the cervical cord, not lumbosacral, causing upper limb symptoms.
Question 4 of 5
kuru
Correct Answer: D
Rationale: Kuru (prion disease) causes cerebellar ataxia.
Question 5 of 5
Basophilic stippling of RBCs
Correct Answer: A
Rationale: Lead poisoning causes basophilic stippling of RBCs from inhibited heme synthesis.