VNSG 1423 EXAM 3 QUESTIONS WITH 100%
VERIFIED ANSWERS/NEWEST UPDATE
The two largest constituents of the body are - (ANSWER)water and electrolytes
Males have approximately what % of water in body weight? - (ANSWER)60
Females have approximately what % of water in body weight? - (ANSWER)50
Infants have approximately what % of water in body weight? - (ANSWER)70
What kind of people get dehydrated more easily? - (ANSWER)Infants & elderly
What are electrolytes? - (ANSWER)Minerals or salts dissolved in body fluids that
break up into ions when in a solution
Cations have what type of charge? - (ANSWER)positive
Anions have what type of charge? - (ANSWER)negative
Each cation must be balanced by what? - (ANSWER)anion
Sodium - (ANSWER)water regulation and balance
,2
Potassium - (ANSWER)nerve impulse transmission, muscle contraction, plasma,
acid-base balance
Calcium - (ANSWER)muscle activity, blood coagulation
Magnesium - (ANSWER)nerve impulse transmission, muscle contraction
Phosphate - (ANSWER)ATP production
Chloride - (ANSWER)hydrochloric acid production, acid-base balance
Bicarbonate - (ANSWER)acid-base balance
What is a normal range for sodium? - (ANSWER)135-145 mEq/L
What is a normal range for potassium? - (ANSWER)3.5-5.0 mEq/L
What is a normal range for calcium? - (ANSWER)8.4-10.6 mg/dL
What is a normal range for magnesium? - (ANSWER)1.3-2.5 mg/dl
, 3
What is a normal range for phosphate? - (ANSWER)2.5-4.5 mg/dl
What is a normal range for chloride? - (ANSWER)96-106 mEq/L
What is a normal range for bicarbonate? - (ANSWER)22-26 mEq/L
What is a normal circulating blood volume? - (ANSWER)4-6 L
What is the main organ of water secretion? - (ANSWER)kidney
What is active transport known as? - (ANSWER)The metabolic process
What is passive transport known as? - (ANSWER)diffusion, osmosis, filtration
What are some s/s of dehydration? - (ANSWER)- thirst
- weakness
- dizziness
- postural hypotension
- weak, thready pulse
How much will the systolic bp drop if a pt is dehydrated? - (ANSWER)20 mmHg