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NU 304 EXAM 1 WITH STUDY GUIDE NEWEST !!! ACTUAL COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS ) ALREADY GRADED A+.
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Course
NU 304
Institution
NU 304
NU 304 EXAM 1 WITH STUDY GUIDE NEWEST !!! ACTUAL
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS
(100% VERIFIED ANSWERS ) ALREADY GRADED A+.
NU 304 EXAM 1 WITH STUDY GUIDE NEWEST !!! ACTUAL
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS
(100% VERIFIED ANSWERS ) ALREADY GRADED A+.
NU ...
NU 304 EXAM 1 WITH STUDY GUIDE 2024-2025 NEWEST !!! ACTUAL
COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS
(100% VERIFIED ANSWERS ) ALREADY GRADED A+.
What is the role of the kidney's in regulating the body's fluid volume
and composition - ANSWER-- Regulates ECF volume and osmoality
by excreting/retaining body fluids
- refulates electrolytes by selective retention of electrolytes or
excretion of hydrogen ions
- regulates ECF by excretion or retention of hydrogen ions
- excretion of metabolic wastes or toxic substance
What is the role of the lungs in regulating the body's fluid volume and
composition - ANSWER-They remove water (300 mL daily)
What does the pituitary gland do to regulate the body's fluid volume
and composition - ANSWER-Secrete AHD when dehydrated/during
blood loss to increase reabsorption of water
What does the adrenal cortex do to regulate the body's fluid volume
and composition - ANSWER-Increases aldosterone to cause sodium
and water retention, and to assign loss. Decreased aldosterone does
the opposite
What doe the parathyroid glands do to regulate the body's fluid
volume and composition - ANSWER-Use parathyroid hormone to
influence calcium and phosphate balance
,What does the Renin-Angiotensin-Aldosterone system do to regulate
the body's fluid volume and composition - ANSWER-Renin goes to
the liver converts to protein into angiotensin I, ACE converts that into
angiotensin II, angiotensin II stimulates the adrenal gland to produce
aldosterone.
What does the hypothalamus do to regulate body fluid volume and
composition - ANSWER-During dehydration it secretes AHD to
stimulate thirst, and for kidneys to increase water reabsorption
What are the isotonic solutions we use? - ANSWER-- 0.9% NaCl
(normal saline)
- lactated ringers
- 5% Dextrose is water
What is normal saline used for? - ANSWER-- hypovolemia
- shock
- diabetic keto acidosis
- metabolic acidosis
- hypercalcemia
What is LR used for? - ANSWER-- hypovolemia
- burns
- fluid loss from diarrhea
- acute blood loss
- fluid loss from bile
,What is D5W used for? - ANSWER-- hypernatremia
- fluid loss
- dehydration
What are the hypotonic solutions? - ANSWER-0.45% sodium chloride
(half normal saline)
What do we use half strength saline for - ANSWER-- hypertonic
dehydration
- Na+ or Cl- depletion
- gastric fluid loss
What are the hypertonic solutions? - ANSWER-- 3% NaCl
- 5% NaCl
What are the hypertonic solutions used for? - ANSWER-Symptomatic
hyponatremia
What lab values would you use to determine if someone is adequately
hydrated - ANSWER-- BUN
- Creatinine
- Hematocrit
- Urine Sodium
- Urine Specific Gravity
- Serum Osmolality
- Urine Sodium
, What does the BUN lab value show - ANSWER-Measures the amount
of urea in the bloodstream. Can vary with renal function, cellular
breakdown, protein intake, and hydration status. Not an optimal
gauge of kidney function
What does the creatinine lab show - ANSWER-The breakdown product
of muscle metabolism cleared from the bloodstream and excreted by
the kidneys. Accurate gauge of kidney function. Does not vary with
protein intake or hydration status
What does hematocrit measure - ANSWER-- The percentage of RBC in
a volume of whole blood.
- decreased water increases the concentration of RBCs
- over hydration will decrease the RBC concentration
- Anemia causes decreased hematocrit
What does the urine sodium lab value measure - ANSWER-- the level
of sodium in the urine
- as Na intake increase so does excretion
- as fluid vol decreases, Na is retained
What are risk factors for overhydration - ANSWER-- too much intake
- immobility
- corticosteroids
- burns
- hear and kidney failure
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