Chapter 27 Flashcards
How much of the total volume of body fluid is intracellular fluid?
a) 10%
b) 50%
c) 1/3
d) 2/3
e) 99%
d) 2/3
80% of the extracellular fluid is
a) Plasma
b) Cytosol
c) Interstitial fluid
d) Lymph
e) Bile
c) Interstitial fluid
Which of the following makes up the largest single component of the human body?
a) Skin
b) Water
c) Blood
d) Organs
e) Electrolytes
b) Water
Which of the following is produced when electrons are accepted by oxygen during cellular respiration?
a) Anions
b) Cations
c) Metabolic water
d) Lipids
e) Carbohydrates
c) Metabolic water
Which of the following occurs when water loss is greater than water gain?
a) Dehydration
b) Evaporation
c) Precipitation
d) Insensible loss
e) None of these choices
a) Dehydration
The response of the body to decreasing blood pressure will NOT cause which of the following?
a) Dehydration
b) Formation of angiotensin II
c) Stimulate the kidneys to secrete rennin
d) Formation of ADH
e) Increased vasoconstriction
e) Increased vasoconstriction
Which of the following is the main factor that determines body fluid volume?
a) Thirst center
b) Fluid balance
c) Urinary salt loss
d) Compartmentalizing
e) None of these choices
c) Urinary salt loss
Which of the following is used to promote Na+ reabsorption by the kidneys?
a) Antidiuretic hormone
b) ANP
c) Aldosterone
d) Parathyroid hormone
e) All of these choices
c) Aldosterone
Which of the following is used to promote water reabsorption by the kidneys?
a) Antidiuretic hormone
b) ANP
c) Aldosterone
d) Parathyroid hormone
e) All of these choices
a) Antidiuretic hormone
Natriuresis
a) Is decreased Na+ levels in urine
b) Is decreased Cl- levels in urine
c) Is increased K+ levels in urine
d) Is increased PO- levels in urine
e) None of these choices
e) None of these choices
A decline in angiotensin II levels does NOT result in
a) Increased GFR
b) Reduced Na+ and Cl- reabsorption by the kidneys
c) Reduced water reabsorption by the kidneys
d) Increased Calcium reabsorption
e) Increased urine output
d) Increased Calcium reabsorption
The major hormone that regulates water loss is
a) ANP
b) Angiotensin II
c) Renin
d) ADH
e) Angiotensin
d) ADH
Water intoxication results from
a) Dilute body fluids
b) Decrease in the osmolarity of interstitial fluids
c) Osmosis of water from ICF to ECF
d) Dilute body fluids and a decrease in the osmolarity of interstitial fluids
e) Decrease in water intake
d) Dilute body fluids and a decrease in the osmolarity of interstitial fluids
Which of the following is a function of an electrolyte in the body?
a) Controlling osmosis between compartments
b) Maintaining acid-base balance
c) Carry electrical currents
d) Serve as cofactors
e) All of these choices
e) All of these choices
In extracellular fluid the most abundant cation is
a) Na+
b) Cl-
c) K+
d) HPO42-
e) HCO3-
a) Na+
In extracellular fluid the most abundant anion is:
a) Na+
b) Cl-
c) K+
d) HPO42-
e) HCO3-
b) Cl-
In intracellular fluid the most abundant cation is:
a) Na+
b) Cl-
c) K+
d) HPO42-
e) HCO3-
c) K+
In intracellular fluid the most abundant anion is
a) Na+
b) Cl-
c) K+
d) HPO42-
e) HCO3-
d) HPO42-
The Na+ level in blood is controlled by
a) Aldosterone
b) Insulin
c) ATP production
d) Krebs cycle
e) Glucagon
a) Aldosterone