Edapt - Fluid, electrolyte, and acid base
Match the following hormones with their associated functions: 1. Promotes natriuresis 2. Stimulates Na reabsorption in exchange for K+ secretion 3. Inserts aquaporins into the DCT and collecting ducts in the kidney
1. ANP 2. Aldosterone 3. ADH
The most abundant cation in the ECF is 1. , while the most abundant ion in the ICF is 2.
1. Na+ 2. K+
Blood pH of 7 is indicative of 1. ________ ; Blood pH of 8 is indicative of 2._________
1. acidosis 2. alkalosis
What is the average intake of water per day?
2.5 L
How much of total body mass is taken up by fluids in a normal healthy adult?
45 to 60%
What perecentage of the human body is made of water?
60%
Which of the following is the normal and acceptable range of blood pH?
7.35 - 7.45
What hormone reduces blood pressure and blood volume by inhibiting nearly all events that promote vasoconstriction and sodium ion and water retention?
ANP
Which hormone(s) is released by heart muscle in response to excessive chamber volume?
ANP
Which of the buffer systems is not capable of raising and lowering the pH?
All of these are capable of increasing or lowering pH .Phosphate ion buffer system Respiratory compensation mechanism Renal compensation mechanism Hemoglobin buffer system
Which of the choices below is NOT an essential role of salts in the body?
Anabolism of lipids
How bases are defined?
Hydrogen proton acceptor
How acid is defined
Hydrogen proton donor
Abnormally high levels of Carbon dioxide in the blood in a condition known as
Hypercapnia
Severe kidney damage (such as glomerulonephritis) often leads to:
metabolic acidosis.
A person who consumes large amounts of sodium bicarbonate ("baking soda") to settle an upset stomach risks:
metabolic alkalosis
Prolonged vomiting can result in:
metabolic alkalosis
When water is lost, but electrolytes are retained:
osmosis moves water from the ICF to the ECF.
The amount of potassium excreted by the kidneys is regulated mainly by:
aldosterone
An excess of Bicarbonate ions in the blood could lead to
alkalosis
Intracellular fluid (ICF) is found only within:
the cells of the body
The maintenance of the proper pH of the body fluids may be the result of
the control of respiratory ventilation
Excess hydrogen ion is eliminated from the body largely by:
the kidneys
A chemical that minimizes changes in the pH of a body fluid by releasing or binding hydrogen ion is called a(n):
buffer
Dehydation occurs when water loss is _____ than water gain
greater
As a result of increase in acidity________ will occur.
hyperventilation
The thrist center is located in the
hypothalamus
In response to respiratory alkalosis, the:
kidneys retain more hydrogen ions.
The term Hyponatremia refers to
low levels of b lood Na+ levels
The most abundant mineral in human body is:
Calcium
Which of the following is a function of an electrolyte?
Controls osmosis of water between body compartments Carries electric current Serves as a cofactor Helps maintain acid- base balance ALL OF THE LISTED ARE FUNCTION OF ELECTROLYTES
Which of the following will stimulate thirst? (Select all that apply.)
Drying the mucosa of the mouth and pharynx Angiotensin II acting on the hypothalamus Stimulation of osmoreceptors An increase in the osmotic pressure of interstitial fluid within the hypothalamus
Which of the following statements is true regarding fluid shifts?
Electrolytes have greater osmotic power than nonelectrolytes and therefore have the greatest ability to cause fluid shifts.
What chemical bond is observed in NaCl?
Ionic bond, and it is very weak
Which of the following describes the distribution of sodium and potassium between cells (ICF) and body fluids (ECF)?
K+ mainly in the cells, Na+ in the body fluids
What solution is more acidic?
Lemon juice (pH 2.2)
What solution is more basic?
Milk of magnesia (pH 10.5)
What is cation?
Postively charged particle
Which of the following functions in separtaing the intestital fluid from the blood plasma ?
The blood vessels walls
Angiotensin II produces a coordinated elevation in the ECF volume by (select all that apply):
Triggering the production and secretion of aldosterone. Causing the release of ADH. Stimulating thirst. Stimulating the kidneys to conserve sodium.
An illness causes Doug to experience severe diarrhea and an accompanying loss of bicarbonate-rich secretions. How can this metabolic acidosis be compensated?
increased respiratory rate and depth
About two-thirds of the body fluid is within and is termed _______ fluid
intracelluar
The regulation of sodium
is linked to blood pressure
The movement of fluids between cellular compartments
is regulated by osmotic and hydrostatic forces
Calcium reabsorption by the kidneys is promoted by the hormone:
parathyriod hormone
The extracellular fluid (ECF) consists of the (select all that apply):
plasma cerebrospinal fluid lymph interstitial fluid
The principal cation in intracellular fluid is:
potassium
Aldosterone
promotes sodium retention in the kidneys
Which of the following body systems is more likely to provide complete compensation for pH imbalances?
renal system
Hypoventilation leads to:
respiratory acidosis
Nancy is experiencing an acute panic attack. While hyperventilating, she remembers to open a paper bag and breathe into it. What is Nancy trying to prevent?
respiratory alkalosis
A patient on a ventilator subjected to excessive minute volume is at risk for:
respiratory alkalosis.
Consuming a meal high in salt will:
result in a temporary increase in blood volume.
The most common problems with electrolyte balance are caused by an imbalance between gains and losses of:
sodium ions
The primary role of the carbonic-acid-bicarbonate equilibrium buffer system is to:
stabilize pH changes caused by fluctuation of H+ ions