CCRN Exam Review: Endocrine System UPDATED ACTUAL Exam Questions and CORRECT Answers

CCRN Exam Review: Endocrine System
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Define Diabetes Insipidus - CORRECT ANSWER - -clinical condition characterized by
impaired renal conservation of water.


Which hormone is a pt with Diabetes Insipidus deficient in? - CORRECT ANSWER --
Antidiuretic hormone (ADH)


What are the symptoms Diabetes Insipidus? - CORRECT ANSWER - -Polyuria
-LOW urine specific gravity
-Dehydration
-High Serum Na
**LOTS of urine that looks like Water**


What is a normal Serum Osmolality? - CORRECT ANSWER - 275-295



What does a HIGH serum osmolality indicate? - CORRECT ANSWER - -dehydration
(concentrated blood)


What does a LOW serum osmolality indicate? - CORRECT ANSWER - -overhydration
(diluted blood)


Do the following values increase, decrease or stay normal with Diabetes Insipidus?
1. BUN
2. Creatine
3. H&H

Why? - CORRECT ANSWER - 1. increases (d/t excessive urination)

, 2. normal (endocrine problem not a renal problem)
3. increases (d/t increased concentration of the blood)


Define Syndrome of inappropriate Antidiuretic Hormone (SIADH) - CORRECT
ANSWER - -condition characterized by impaired renal excretion of water.



REMEMBER THIS - CORRECT ANSWER - Diabetes Insipidus= dehydration and HIGH
serum sodium
DRY INSIDE


What are 4 main symptoms of SIADH? - CORRECT ANSWER - 1. Oliguria (difficulty
urinating)
2. High Urine Specific Gravity
3. Water Intoxication
4. Hyponatremia


How can SIADH occur via Oat Cell Cancer? - CORRECT ANSWER - -small cell
undifferentiable cancer secretes a substance unidentifiable to ADH from the cells.


What causes SIADH? - CORRECT ANSWER - -excessive amounts of ADH secreted
from the pituitary gland.


Are the following values increased, decreased, or normal in SIADH?
1. BUN
2. Serum Osmolality

3. H&H - CORRECT ANSWER - 1. decreased (d/t no urination)
2. decreased (d/t serum dilution)
3. decreased (d/t serum dilution)