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5 Written questions

5 Matching questions

  1. 64%
  2. It is secreted by the renal tubules
  3. True
  4. Hydrogen ions
  5. the elimination of urine
  1. a Diseases that affect the descending corticospinal tracts may limit inhibition f the sacral somatic motor neurons and thus could result in urinary incontinence
    a. True
    b. False
  2. b Micturition is another term for:
    a. the production of nitrogenous wastes
    b. glomerular filtration
    c. the countercurrent multiplier process
    d. inflammation of the urinary bladder
    e. the elimination of urine
  3. c A hospital patient produces 4 mL. min of urine with a urea concentration of 8mg/mL. Venous blood draw reveals urea concentration of .4 mg/mL. What is the percentage of cleared urea from glomerular filrate?
    a. 40%
    b. 56%
    c. 64%
    d. 72%
    e. 80%
  4. d PCTs are responsible for absorbing all of the following except
    a. Potassium
    b. Sodium chloride
    c. Hydrogen ions
    d. Urea
    e. Water
  5. e Creatinine has a renal clearance of 140 mL/min due to the fact that:
    a. it is absorbed by the loop of Henle.
    b. it is secreted by the glomerulus.
    c. it is absorbed by the renal tubules.
    d. it is secreted by the renal tubules.
    e. it is produced in the pulmonary tissue.

5 Multiple choice questions

  1. Aldosterone acts on
    a. The proximal convoluted tubule
    b. The medullary portion of the collecting duct
    c. The descending limb of the nephron loop
    d. The distal convoluted tubule
    e. The glomerulus
  2. Which of the following is not found in the ureter?
    a. Adventitia
    b. Two layers of smooth muscle
    c. Three layers of smoother muscle
    d. Transitional epithelium
    e. Skeletal muscle
  3. Total saturation of protein transporters for a given solute in the renal tubules would result in
    a. Reabsorption of all the solute
    b. A renal clearance of zero
    c. A net filtration pressure of 1.0
    d. Appearance of that solute in the urine
    e. Absence of that solute from the urine
  4. In response to a drop in overall blood pressure, _________ stimulates constriction of the glomerular inlet and even greater constriction of the outlet.
    a. Azotemia
    b. Sodium chloride
    c. Parathyroid hormone
    d. Aldosterone
    e. Angiotensin II
  5. In life-threatening starvation, the kidneys synthesize glucose by
    a. Secreting erythropoietin
    b. Secreting rennin
    c. Deaminating amino acids
    d. Contributing to calcium homeostasis
    e. Producing uric acid

5 True/False questions

  1. TrueThis byproduct of protein catabolism constitutes approximately one-half of all nitrogenous wastes
    a. Urea
    b. Creatinine
    c. Uric acid
    d. Azotemia
    e. Ammonia


  2. DiureticsThe most toxic of our metabolic wastes are nitrogenous wastes
    a. True
    b. False


  3. 2.0Human urine can have as much as _______ time the osmolarity of the blood plasma, which is why it is called hypertonic
    a. 1.5
    b. 2.6
    c. 4.0
    d. 5.8
    e. 12.0


  4. glycosuriaNormal urine from a healthy person can be expected to contain all of the following except:
    a. Creatine
    b. Urobilin
    c. Glucose
    d. Ammonia
    e. Magnesium


  5. UreaThis byproduct of protein catabolism constitutes approximately one-half of all nitrogenous wastes
    a. Urea
    b. Creatinine
    c. Uric acid
    d. Azotemia
    e. Ammonia


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