question1 - lovetest

[ArchivalUser]

A patient with multiple myeloma is hospitalized after 2 days of polyuria, polydipsia, and increased confusion. Labs show elevated serum Ca of 15 mg/dL, and treatment is initiated to decrease it. Th patient's serum osmolarity is 310 mOsm/L. The most likely reason for polyuria in this patient is
A. Increased circulating levels of ADH
B. Increased circulating levels of aldosterone
C. Inhibition of the action of ADH on the renal tubule
D. Stimulation of the action of ADH on the renal tubule
E. Psychogenic water drinking

[ArchivalUser]

CC

Hypercalcemia interfere with ADH action on Collecting Tubules.

-seen with HyPOkalemia as well.

[ArchivalUser]

C...

[ArchivalUser]

agree "C". Thanks

[ArchivalUser]

good guys,
Q2.
The treatment drug is administered in error and produces further increase in the patient's serum Ca. That drug is
A. a thiazide diuretic
B. a loop diuretic
C. Calcitonin
D. mithramycin
E. etidronate disodium

[ArchivalUser]

A...thiazide

[ArchivalUser]

A inc ca

[ArchivalUser]

cc

[ArchivalUser]

good guys