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CCRN- Endocrine Concepts (Barron's) Questions and Answers well Explained Latest 2024/2025 Update 100% Correct. CA$11.60   Add to cart
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CCRN- Endocrine Concepts (Barron's) Questions and Answers well Explained Latest 2024/2025 Update 100% Correct.
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what are 3 treatments for DI? - 1) give ADH (pitressin, DDAVP), use cautiously in those with heart disease, may cause coronary artery ischemia 2) give fluids to replenish intravascular volume 3) monitor urinary output/specific gravity what is the pathophysiology of SIADH? (figure 10-1 pg 204) -...

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  • September 8, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • ccrn endocrine concepts barrons

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  • CCRN
  • CCRN

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CCRN- Endocrine Concepts (Barron's)

what are 3 treatments for DI? - 1) give ADH (pitressin, DDAVP), use cautiously in those with heart
disease, may cause coronary artery ischemia

2) give fluids to replenish intravascular volume

3) monitor urinary output/specific gravity



what is the pathophysiology of SIADH? (figure 10-1 pg 204) - too much ADH--> water retention-->
decrease in serum Na+ (dilutional hyponatremia-CARDINAL SIGN); decreased urinary output; decreased
osmolality (hypo-osmolality)



measure of the number of particles in a solution; expressed as milliosmoles - serum osmolality
(osmolality of body fluids)



what is the normal osmolality of body fluids? - 275-295 mOsm/kg

(hypo-osmolar <275

hyper-osmolar >295)



true or false:

cell membranes are permeable to water, therefore serum osmo will affect the intracellular fluid (ICF)
osmo - true



note that serum sodium, BUN, and glucose each play a role in the calculation of serum osmolality.

2(Na+) + BUN/5 + glucose/20 = 275-295 mOsm/kg. According to the formula above, an increase in serum
sodium, BUN, and/or glucose will affect the serum osmo, increasing or decreasing the serum osmolality?
- increase



where is the hypothalamus located? - pituitary gland

, the endocrine "monitoring central" and regulates temperature, intake drives, autonomic nervous system
(sympathetic/parasympathetic) - hypothalamus



what two parts of the body release hormones that are NOT controlled by the hypothalamus? - 1)
pancreas

2) parathyroid



what are three things that the hypothalamus regulates? - 1) temperature

2) intake drives

3) autonomic nervous system (sympathetic/parasympathetic)



where is ADH formed? - hypothalamus



where is ADH stored? - posterior pituitary



this works on the distal convoluted and collecting tubule of kidney to REABSORB WATER (prevents
diuresis) and concentrates urine (normal urine osmolality (1.010-1.020) - ADH



what are 5 etiologies of SIADH? - 1) oat cell carcinoma (most common)

2) viral pneumonia (most common)

3) head problems (most common)

4) increased osmolality, anesthesia, analgesia, stress

5) thiazide diuretics (esp elderly)



what is the biggest danger of hyponatremia?** - SEIZURE***



what are 4 treatments of SIADH? - 1) address etiology

-oat cell carcinoma, viral pneumonia, head problems

2) fluid restriction

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