nsc ch 3 questions with all correct answers
When cells have a higher concentration of electrolytes outside the cell
compared to inside, water will flow correct answer -out of the cell
Only around ___ mg of sodium is needed in the diet for daily functions and
fluid maintenance. correct answer -200
A cell that swells means that the solution it was in was: correct answer -
hypotonic
The average adult male is about ________ percent water. correct answer -60
About how much water is produced by the tissues everyday through
metabolic processes? correct answer -300 ml
How much of the daily intake of water come from food (presumably)?
correct answer -20%
What function(s) does aldosterone have? correct answer -increases
sodium reabsorption AND increases water reabsorption
Which of the following was considered one of the top public-health
achievements? correct answer -treatment of drinking water
What establishes the concentration gradient that is essential for cells to
perform work? correct answer -electrolytes (i.e sodium-potassium
pumps)
TRUE or FALSE: Bioavailability for chloride is low. correct answer -false
Of the following statements, which is NOT true about hydration? correct
answer -hydration accelerates the aging process
TRUE or FALSE: The only people that benefit from sport drinks are those that
are doing high-intense exercises for more than an hour correct answer -
true
, All of the following statements are true, EXCEPT: correct answer -excess
chloride in the blood is common
TRUE or FALSE: The main cause of heat strokes is too much sun exposure
correct answer -false
What type of receptors in the hypothalamus detect sodium concentration in
the blood? correct answer -osmorecptors
All of the following statements are correct about osmoregulation, EXCEPT:
correct answer -water is transferred actively with energy
A cell shrinking and becoming "spiky" means that the solution it was in was:
correct answer -hypertonic
TRUE or FALSE: Thirst is the main mechanism that controls fluid intake
correct answer -false
Hypokalemia is caused by: correct answer -high intake of sodium
Overconsumption of fluids can cause ________, which can be fatal. correct
answer -hyponatremia
Which of the following functions as an electrolyte in the body? correct
answer -potassium
Healthy kidneys are able to excrete up to ___ of excess water per hour.
correct answer -1 liter
Severe dehydration can cause the body to stop ______ correct answer -
sweating
As set by the Institute of Medicine (IOM), what is the sodium AI for adults
between 19 and 50 years old. correct answer -1,500 mg
High concentrations of electrolytes in the bloodstream can cause correct
answer -cells to shrink
When cells have a higher concentration of electrolytes outside the cell
compared to inside, water will flow correct answer -out of the cell
Only around ___ mg of sodium is needed in the diet for daily functions and
fluid maintenance. correct answer -200
A cell that swells means that the solution it was in was: correct answer -
hypotonic
The average adult male is about ________ percent water. correct answer -60
About how much water is produced by the tissues everyday through
metabolic processes? correct answer -300 ml
How much of the daily intake of water come from food (presumably)?
correct answer -20%
What function(s) does aldosterone have? correct answer -increases
sodium reabsorption AND increases water reabsorption
Which of the following was considered one of the top public-health
achievements? correct answer -treatment of drinking water
What establishes the concentration gradient that is essential for cells to
perform work? correct answer -electrolytes (i.e sodium-potassium
pumps)
TRUE or FALSE: Bioavailability for chloride is low. correct answer -false
Of the following statements, which is NOT true about hydration? correct
answer -hydration accelerates the aging process
TRUE or FALSE: The only people that benefit from sport drinks are those that
are doing high-intense exercises for more than an hour correct answer -
true
, All of the following statements are true, EXCEPT: correct answer -excess
chloride in the blood is common
TRUE or FALSE: The main cause of heat strokes is too much sun exposure
correct answer -false
What type of receptors in the hypothalamus detect sodium concentration in
the blood? correct answer -osmorecptors
All of the following statements are correct about osmoregulation, EXCEPT:
correct answer -water is transferred actively with energy
A cell shrinking and becoming "spiky" means that the solution it was in was:
correct answer -hypertonic
TRUE or FALSE: Thirst is the main mechanism that controls fluid intake
correct answer -false
Hypokalemia is caused by: correct answer -high intake of sodium
Overconsumption of fluids can cause ________, which can be fatal. correct
answer -hyponatremia
Which of the following functions as an electrolyte in the body? correct
answer -potassium
Healthy kidneys are able to excrete up to ___ of excess water per hour.
correct answer -1 liter
Severe dehydration can cause the body to stop ______ correct answer -
sweating
As set by the Institute of Medicine (IOM), what is the sodium AI for adults
between 19 and 50 years old. correct answer -1,500 mg
High concentrations of electrolytes in the bloodstream can cause correct
answer -cells to shrink
