Chapter 27: Body Fluids and Electrolytes

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What is the effect of decreased sympathetic stimulation of afferent arteriole on glomerulus pressure and urine output?

Increased pressure in glomerulus leading to increased filtration and increased urine output (correct)

Decreased pressure in glomerulus leading to increased filtration and decreased urine output

No change in glomerulus pressure and urine output

Decreased pressure in glomerulus leading to decreased filtration and decreased urine output

What is the primary function of Na+ ions in the ECF?

Responsible for 90-95% of osmotic pressure (correct)

Regulation of electrolyte concentration

Regulation of ECF osmolality

Regulation of ECF volume

Which of the following is NOT a route of excretion for Na+ ions?

Kidneys

Muscles (correct)

Liver

Sweat glands

What is the term for water evaporating from the skin?

Insensible perspiration Signup and view all the answers

What is the order of constituents in sweat?

Water, Na+, urea, Cl-, NH3 Signup and view all the answers

What percentage of total body weight is comprised of intracellular fluid?

40% Signup and view all the answers

Which ion is primarily found in intracellular fluid?

K+ Signup and view all the answers

What is the primary mechanism for regulating water excretion in the body?

Kidneys Signup and view all the answers

What is the term for the movement of water from an area of high concentration to an area of low concentration?

Osmosis Signup and view all the answers

Which of the following is NOT a route of water loss in the body?

Ingestion Signup and view all the answers

What type of receptors monitor blood pressure in the body?

Baroreceptors Signup and view all the answers

What is the term for abnormally high levels of potassium in the extracellular fluid?

Hyperkalemia Signup and view all the answers

Which of the following hormones increases the secretion of potassium ions in the extracellular fluid?

Aldosterone Signup and view all the answers

What is the primary function of the phosphate buffer system in the body?

To regulate pH levels in the blood Signup and view all the answers

What happens to blood pressure when the body's water content increases?

It increases Signup and view all the answers

What is the term for a condition characterized by an abnormally low level of calcium in the extracellular fluid?

Hypocalcemia Signup and view all the answers

Which of the following ions is predominantly found in the intracellular fluid?

Potassium Signup and view all the answers

What is the term for the regulation of acid-base balance through the respiratory system?

Respiratory regulation of acid-base balance Signup and view all the answers

Chapter 27: Body Fluids and Electrolytes

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Questions and Answers

What is the effect of decreased sympathetic stimulation of afferent arteriole on glomerulus pressure and urine output?

What is the primary function of Na+ ions in the ECF?

Which of the following is NOT a route of excretion for Na+ ions?

What is the term for water evaporating from the skin?

What is the order of constituents in sweat?

What percentage of total body weight is comprised of intracellular fluid?

Which ion is primarily found in intracellular fluid?

What is the primary mechanism for regulating water excretion in the body?

What is the term for the movement of water from an area of high concentration to an area of low concentration?

Which of the following is NOT a route of water loss in the body?

What type of receptors monitor blood pressure in the body?

What is the term for abnormally high levels of potassium in the extracellular fluid?

Which of the following hormones increases the secretion of potassium ions in the extracellular fluid?

What is the primary function of the phosphate buffer system in the body?

What happens to blood pressure when the body's water content increases?

What is the term for a condition characterized by an abnormally low level of calcium in the extracellular fluid?

Which of the following ions is predominantly found in the intracellular fluid?

What is the term for the regulation of acid-base balance through the respiratory system?

What is the term for a condition characterized by an abnormally high level of sodium in the extracellular fluid?

What is the function of buffers in the body?

Which of the following is an example of a strong acid?

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