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Water and Electrolyte Balance in the Human Body

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Water and Electrolyte Balance in the Human Body

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Questions and Answers

What is a dissolved substance in water called?

Electrolyte

Solute (correct)

Hydrate

Solvent

Which body part has the highest proportion of water?

Brain

Kidneys (correct)

Heart

Lungs

What is the main function of the sodium-potassium pump?

Using ATP to move sodium out of a cell and potassium into a cell (correct)

Pumping sodium into a cell

Balancing water levels in the body

Maintaining high potassium levels in the ECF

How do solutes move passively across membranes?

Due to concentration gradients or facilitated transport Signup and view all the answers

What does dehydration mean?

Too little fluid in body tissues Signup and view all the answers

Why are signals sent to increase thirst?

To respond to increased blood plasma osmolarity Signup and view all the answers

What signals are sent to the salivary glands in a dehydrated state?

Decrease saliva production Signup and view all the answers

Which electrolyte is responsible for half of the osmotic pressure gradients between the cell interior and the extracellular space?

Sodium Signup and view all the answers

What is the primary function of phosphate in the body?

Serve as a buffer Signup and view all the answers

Which condition results from too much potassium in the body?

Hyperkalemia Signup and view all the answers

What is the primary role of bicarbonate in the blood?

Balance acid-base levels Signup and view all the answers

What pH value is considered neutral on the pH scale?

7 Signup and view all the answers

Which system controls the balance of acids and bases within minutes?

Respiratory system Signup and view all the answers

Water and Electrolyte Balance in the Human Body

Choose a study mode

Podcast

Questions and Answers

What is a dissolved substance in water called?

Which body part has the highest proportion of water?

What is the main function of the sodium-potassium pump?

How do solutes move passively across membranes?

What does dehydration mean?

Why are signals sent to increase thirst?

What signals are sent to the salivary glands in a dehydrated state?

Which electrolyte is responsible for half of the osmotic pressure gradients between the cell interior and the extracellular space?

What is the primary function of phosphate in the body?

Which condition results from too much potassium in the body?

What is the primary role of bicarbonate in the blood?

What pH value is considered neutral on the pH scale?

Which system controls the balance of acids and bases within minutes?

What happens to blood pH if hydrogen ions are being captured by sulfates, phosphates, or ammonia?

What is a symptom of physiological acidosis?

Which electrolyte is important for muscle contraction and blood coagulation?

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