AMSECT Exam - Questions & Accurate Answers (100%)
In salvaged blood, levels of plasma free hemoglobin are usually in the range of
200-500 mg/dL. Washing removes 50-70% of the hemoglobin.
True or False? Right Ans - True
Urine formation involves the process of:
a) Glomerular reabsorption
b) Glomerular secretion
c) Glomerular filtration
d) Glomerular diffusion Right Ans - C
The kidneys secrete all of the following hormones except:
a) Renin
b) Erythropoietin
c) Angiotensinogen
d) None of the above Right Ans - C
The rate of blood flow through both kidneys of a 70 kg man is ___ and is about
___ of his cardiac output.
a) 1500 mL/min; 30%
b) 2000 mL/min; 25%
c) 1200 mL/min; 20%
d) 1000 mL/min;17% Right Ans - C
The composition of glomerular filtrate is the same as plasma except it has no
significant amount of:
a) Sodium ions
b) Proteins
c) Red blood cells
d) Water Right Ans - B
The glomerular pressure of an average person is:
a) 40 mmHg
b) 60 mmHg
c) 80 mmHg
d) 100 mmHg Right Ans - B
All of the following factors affect glomerular filtration rate except:
, a) Glomerular pressure
b) Plasma colloid osmotic pressure
c) Interstitial pressure
d) Bowman's capsule pressure Right Ans - C
All of the following ions are actively reabsorbed in the ascending loop of Henle
except:
a) Sodium
b) Potassium
c) Chloride
d) Bicarbonate Right Ans - D
Reabsorption of sodium occurs mainly in the:
a) Proximal tubule
b) Distal tubule
c) Loop of Henle
d) Collecting ducts Right Ans - A
The mechanisms of autoregulation of glomerular filtration rate involve:
a) Afferent arteriolar vasodilatation and efferent arteriolar vasoconstriction
b) Afferent arteriolar vasoconstriction and efferent arteriolar vasodilatation
c) Both afferent arteriolar and efferent arteriolar vasoconstriction
d) Both afferent arteriolar and efferent arteriolar vasodilatation Right Ans -
A
According to the afferent arteriolar vasodilatation feedback mechanism, the
following process occurs:
a) A positive feedback mechanism to control glomerular filtration rate
b) An increase in ionic concentration of Na+ and CI- at the macula densa
c) An increase in glomerular pressure
d) A decrease in renal blood flow Right Ans - C
Which of the following are the effects of afferent arteriolar constriction?
a) A decrease in renal blood flow
b) A decrease in glomerular pressure
c) A decrease in glomerular filtration rate
d) None of the above Right Ans - D
Another name for antidiuretic hormone (ADH) is:
In salvaged blood, levels of plasma free hemoglobin are usually in the range of
200-500 mg/dL. Washing removes 50-70% of the hemoglobin.
True or False? Right Ans - True
Urine formation involves the process of:
a) Glomerular reabsorption
b) Glomerular secretion
c) Glomerular filtration
d) Glomerular diffusion Right Ans - C
The kidneys secrete all of the following hormones except:
a) Renin
b) Erythropoietin
c) Angiotensinogen
d) None of the above Right Ans - C
The rate of blood flow through both kidneys of a 70 kg man is ___ and is about
___ of his cardiac output.
a) 1500 mL/min; 30%
b) 2000 mL/min; 25%
c) 1200 mL/min; 20%
d) 1000 mL/min;17% Right Ans - C
The composition of glomerular filtrate is the same as plasma except it has no
significant amount of:
a) Sodium ions
b) Proteins
c) Red blood cells
d) Water Right Ans - B
The glomerular pressure of an average person is:
a) 40 mmHg
b) 60 mmHg
c) 80 mmHg
d) 100 mmHg Right Ans - B
All of the following factors affect glomerular filtration rate except:
, a) Glomerular pressure
b) Plasma colloid osmotic pressure
c) Interstitial pressure
d) Bowman's capsule pressure Right Ans - C
All of the following ions are actively reabsorbed in the ascending loop of Henle
except:
a) Sodium
b) Potassium
c) Chloride
d) Bicarbonate Right Ans - D
Reabsorption of sodium occurs mainly in the:
a) Proximal tubule
b) Distal tubule
c) Loop of Henle
d) Collecting ducts Right Ans - A
The mechanisms of autoregulation of glomerular filtration rate involve:
a) Afferent arteriolar vasodilatation and efferent arteriolar vasoconstriction
b) Afferent arteriolar vasoconstriction and efferent arteriolar vasodilatation
c) Both afferent arteriolar and efferent arteriolar vasoconstriction
d) Both afferent arteriolar and efferent arteriolar vasodilatation Right Ans -
A
According to the afferent arteriolar vasodilatation feedback mechanism, the
following process occurs:
a) A positive feedback mechanism to control glomerular filtration rate
b) An increase in ionic concentration of Na+ and CI- at the macula densa
c) An increase in glomerular pressure
d) A decrease in renal blood flow Right Ans - C
Which of the following are the effects of afferent arteriolar constriction?
a) A decrease in renal blood flow
b) A decrease in glomerular pressure
c) A decrease in glomerular filtration rate
d) None of the above Right Ans - D
Another name for antidiuretic hormone (ADH) is:
