Block 6 Renal Physiology Part 7

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A patient is severely dehydrated following prolonged diarrhea that lasted several days but was not associated with vomiting. However, malaise and nausea prevented the patient form taking much food and drink during this period. After 3 days of this diarrhea the blood values are pHa 7.34, [HCO^3-] = 12 mM, Pa_CO2 = 20 mm Hg, [Na⁺] = 138 mM, [K⁺] = 4.8 mM, [Cl^-] = 114 mM. The above patient has
- A. uncompensated metabolic acidosis.
- B. partially compensated metabolic acidosis
- C. uncompensated respiratory acidosis
- D. partially compensated respiratory acidosis
- E. a significantly increased anion gap

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Mar 31, 2012

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Block 6 Renal Physiology Part 7

Quiz Preview

Aldosterone secretion in the adrenal cortex is

The most potent stimulus for the secretion of ADH from the posterior pituitary is

Which clearance is largest in a patient with central diabetes insipidus?

V = 3 ml/min P_in = 0.3 mg/ml U_in = 20 mg/ml P_osm = 300 mOsm/L U_osm = 900 mOsm/L P_glu = 5 mg/ml U_glu = 25 mg/ml Pa_PAH = 1.1 mg/ml U_PAH = 220 mg/ml Pv_PAH = 0.1 mg/ml RPF equals

Renin

V = 3 ml/min P_in = 0.3 mg/ml U_in = 20 mg/ml P_osm = 300 mOsm/L U_osm = 900 mOsm/L P_glu = 5 mg/ml U_glu = 25 mg/ml Pa_PAH = 1.1 mg/ml U_PAH = 220 mg/ml Pv_PAH = 0.1 mg/ml GFR equals

V = 3 ml/min P_in = 0.3 mg/ml U_in = 20 mg/ml P_osm = 300 mOsm/L U_osm = 900 mOsm/L P_glu = 5 mg/ml U_glu = 25 mg/ml Pa_PAH = 1.1 mg/ml U_PAH = 220 mg/ml Pv_PAH = 0.1 mg/ml Tubular fluid flow in this patient is

In a patient suffering from metabolic acidosis, which compensation does not occur?

RBF = 1 L/min U_in = 18 mg/ml Hematocrit = 40% P_in = 0.2 mg/ml V = 2 ml/min Filtration fraction is

In a patient with nephritic syndrome, the normal permeability barrier of the glomerular capillaries is greatly reduced allowing the filtration of plasma proteins. The reduction in plasma proteins in the circulation will lead to

RBF = 1 L/min U_in = 18 mg/ml Hematocrit = 40% P_in = 0.2 mg/ml V = 2 ml/min If the interstitial osmotic gradient varies from 300 mOsm/L at the cortico-medullary boundary to 700 mOsm/L at the papillary tips, which of the following statements is true?

V = 3 ml/min P_in = 0.3 mg/ml U_in = 20 mg/ml P_osm = 300 mOsm/L U_osm = 900 mOsm/L P_glu = 5 mg/ml U_glu = 25 mg/ml Pa_PAH = 1.1 mg/ml U_PAH = 220 mg/ml Pv_PAH = 0.1 mg/ml In this patient, C_H2O equals

The major determinant of the plasma potassium concentration is

Angiotensin II

A patient with uncontrolled diabetes mellitus comes into the emergency room in a coma. His laboratory values are listed below. Which value must represent a laboratory error?

Since we must excrete approximately 600 mEq of solutes per day, what is the minimal volume of urine per day that must be excreted?

A healthy young woman weighs 132 lb. (60 kg). What is the volume of her ICW?

In hemorrhage, which normal kidney function will not occur?

Solute X is freely filtered at the glomerulus. Fifty percent (50%) of its filtered load is reabsorbed by the proximal tubule. Assuming normal glomerulotubular balance, what will the TF/P ratio be for solute X at the end of the proximal tubule?

Block 6 Renal Physiology Part 7

Quiz Preview

Aldosterone secretion in the adrenal cortex is

The most potent stimulus for the secretion of ADH from the posterior pituitary is

Which clearance is largest in a patient with central diabetes insipidus?

V = 3 ml/min Pin = 0.3 mg/ml Uin = 20 mg/ml Posm = 300 mOsm/L Uosm = 900 mOsm/L Pglu = 5 mg/ml Uglu = 25 mg/ml PaPAH = 1.1 mg/ml UPAH = 220 mg/ml PvPAH = 0.1 mg/ml RPF equals

Renin

V = 3 ml/min Pin = 0.3 mg/ml Uin = 20 mg/ml Posm = 300 mOsm/L Uosm = 900 mOsm/L Pglu = 5 mg/ml Uglu = 25 mg/ml PaPAH = 1.1 mg/ml UPAH = 220 mg/ml PvPAH = 0.1 mg/ml GFR equals

V = 3 ml/min Pin = 0.3 mg/ml Uin = 20 mg/ml Posm = 300 mOsm/L Uosm = 900 mOsm/L Pglu = 5 mg/ml Uglu = 25 mg/ml PaPAH = 1.1 mg/ml UPAH = 220 mg/ml PvPAH = 0.1 mg/ml Tubular fluid flow in this patient is

In a patient suffering from metabolic acidosis, which compensation does not occur?

RBF = 1 L/min Uin = 18 mg/ml Hematocrit = 40% Pin = 0.2 mg/ml V = 2 ml/min Filtration fraction is

In a patient with nephritic syndrome, the normal permeability barrier of the glomerular capillaries is greatly reduced allowing the filtration of plasma proteins. The reduction in plasma proteins in the circulation will lead to

RBF = 1 L/min Uin = 18 mg/ml Hematocrit = 40% Pin = 0.2 mg/ml V = 2 ml/min If the interstitial osmotic gradient varies from 300 mOsm/L at the cortico-medullary boundary to 700 mOsm/L at the papillary tips, which of the following statements is true?

V = 3 ml/min Pin = 0.3 mg/ml Uin = 20 mg/ml Posm = 300 mOsm/L Uosm = 900 mOsm/L Pglu = 5 mg/ml Uglu = 25 mg/ml PaPAH = 1.1 mg/ml UPAH = 220 mg/ml PvPAH = 0.1 mg/ml In this patient, CH2O equals

The major determinant of the plasma potassium concentration is

Angiotensin II

A patient with uncontrolled diabetes mellitus comes into the emergency room in a coma. His laboratory values are listed below. Which value must represent a laboratory error?

Since we must excrete approximately 600 mEq of solutes per day, what is the minimal volume of urine per day that must be excreted?

A healthy young woman weighs 132 lb. (60 kg). What is the volume of her ICW?

In hemorrhage, which normal kidney function will not occur?

Solute X is freely filtered at the glomerulus. Fifty percent (50%) of its filtered load is reabsorbed by the proximal tubule. Assuming normal glomerulotubular balance, what will the TF/P ratio be for solute X at the end of the proximal tubule?

V = 3 ml/min P_in = 0.3 mg/ml U_in = 20 mg/ml P_osm = 300 mOsm/L U_osm = 900 mOsm/L P_glu = 5 mg/ml U_glu = 25 mg/ml Pa_PAH = 1.1 mg/ml U_PAH = 220 mg/ml Pv_PAH = 0.1 mg/ml RPF equals

V = 3 ml/min P_in = 0.3 mg/ml U_in = 20 mg/ml P_osm = 300 mOsm/L U_osm = 900 mOsm/L P_glu = 5 mg/ml U_glu = 25 mg/ml Pa_PAH = 1.1 mg/ml U_PAH = 220 mg/ml Pv_PAH = 0.1 mg/ml GFR equals

V = 3 ml/min P_in = 0.3 mg/ml U_in = 20 mg/ml P_osm = 300 mOsm/L U_osm = 900 mOsm/L P_glu = 5 mg/ml U_glu = 25 mg/ml Pa_PAH = 1.1 mg/ml U_PAH = 220 mg/ml Pv_PAH = 0.1 mg/ml Tubular fluid flow in this patient is

RBF = 1 L/min U_in = 18 mg/ml Hematocrit = 40% P_in = 0.2 mg/ml V = 2 ml/min Filtration fraction is

RBF = 1 L/min U_in = 18 mg/ml Hematocrit = 40% P_in = 0.2 mg/ml V = 2 ml/min If the interstitial osmotic gradient varies from 300 mOsm/L at the cortico-medullary boundary to 700 mOsm/L at the papillary tips, which of the following statements is true?

V = 3 ml/min P_in = 0.3 mg/ml U_in = 20 mg/ml P_osm = 300 mOsm/L U_osm = 900 mOsm/L P_glu = 5 mg/ml U_glu = 25 mg/ml Pa_PAH = 1.1 mg/ml U_PAH = 220 mg/ml Pv_PAH = 0.1 mg/ml In this patient, C_H2O equals