SBI172 Fluid, Electrolyte and Acid-Base
Balance, Questions and Correct Answers, 100%
Correct.
The fluid link between the internal and external environment is:
A cerebrospinal fluid
B intracellular fluid
C plasma
D interstitial fluid
C plasma
Potassium, magnesium and phosphate ions are the predominant electrolytes in
A intracellular fluid
B interstitial fluid
C plasma
D lymph
A Intracellular fluid
Which of the following describes the distribution of sodium and potassium between cells and body
fluids?
A K+ mainly in the cells, Na+ in the body fluids
B Na+ mainly in the cells, K+ in the body fluids
C little of either in the cells, but large amounts of each in the body fluids
D equal amounts of each ion in the cells and body fluids
A K+ mainly in the cells, Na+ in the body fluids
Interstitial fluid (IF) is:
A the fluid component of blood
B the fluid in the cytosol of cells
C the fluid that bathes all the body's cells except for blood cells
D the intracellular fluids found between cell membranes
C the fluid that bathes all the body's cells except for blood cells
, Insensible water loss is water lost via:
A urine
B skin evaporation and in air from the lungs
C vomiting or diarrhoea
D excessive sweating
B skin evaporation and in air from the lungs
Which of the following is the major ECF buffer system in the body?
A Phosphate buffer system
B Bicarbonate buffer system
C Sulfate buffer system
D Protein buffer system
B Bicarbonate buffer system
PTH affects blood calcium levels via which of the following mechanisms?
A PTH stimulates increased Ca2+ reabsorption by renal tubules
B PTH stimulates increased Ca2+ absorption in the intestine
C PTH stimulates osteoclasts to reabsorb bone
D All of these are ways PTH affects blood calcium levels
D All of these are ways PTH affects blood calcium levels
Which of the following accounts for the most water loss, second only to urine output?
A sweating
B Tears
C Insensible perspiration
D Defecation
C Insensible perspiration
(True or false) The main way the kidney regulates potassium ions is to excrete them.
True
(True or false) Electrolytes determine most of the chemical and physical reactions of body fluids
True
(True or false) Blood acidity results in depression of the CNS, whereas blood alkalosis results in
overexcitement of the CNS
True
Balance, Questions and Correct Answers, 100%
Correct.
The fluid link between the internal and external environment is:
A cerebrospinal fluid
B intracellular fluid
C plasma
D interstitial fluid
C plasma
Potassium, magnesium and phosphate ions are the predominant electrolytes in
A intracellular fluid
B interstitial fluid
C plasma
D lymph
A Intracellular fluid
Which of the following describes the distribution of sodium and potassium between cells and body
fluids?
A K+ mainly in the cells, Na+ in the body fluids
B Na+ mainly in the cells, K+ in the body fluids
C little of either in the cells, but large amounts of each in the body fluids
D equal amounts of each ion in the cells and body fluids
A K+ mainly in the cells, Na+ in the body fluids
Interstitial fluid (IF) is:
A the fluid component of blood
B the fluid in the cytosol of cells
C the fluid that bathes all the body's cells except for blood cells
D the intracellular fluids found between cell membranes
C the fluid that bathes all the body's cells except for blood cells
, Insensible water loss is water lost via:
A urine
B skin evaporation and in air from the lungs
C vomiting or diarrhoea
D excessive sweating
B skin evaporation and in air from the lungs
Which of the following is the major ECF buffer system in the body?
A Phosphate buffer system
B Bicarbonate buffer system
C Sulfate buffer system
D Protein buffer system
B Bicarbonate buffer system
PTH affects blood calcium levels via which of the following mechanisms?
A PTH stimulates increased Ca2+ reabsorption by renal tubules
B PTH stimulates increased Ca2+ absorption in the intestine
C PTH stimulates osteoclasts to reabsorb bone
D All of these are ways PTH affects blood calcium levels
D All of these are ways PTH affects blood calcium levels
Which of the following accounts for the most water loss, second only to urine output?
A sweating
B Tears
C Insensible perspiration
D Defecation
C Insensible perspiration
(True or false) The main way the kidney regulates potassium ions is to excrete them.
True
(True or false) Electrolytes determine most of the chemical and physical reactions of body fluids
True
(True or false) Blood acidity results in depression of the CNS, whereas blood alkalosis results in
overexcitement of the CNS
True
