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5 Written questions

5 Matching questions

  1. Collecting duct
  2. Urea
  3. True
  4. False
  5. The proximal convoluted tubule
  1. a This byproduct of protein catabolism constitutes approximately one-half of all nitrogenous wastes
    a. Urea
    b. Creatinine
    c. Uric acid
    d. Azotemia
    e. Ammonia
  2. b Which renal structure is responsible for producing hypertonic urine by reabsorbing water while allowing metabolic wastes and NaCl to pass through?
    a. Glomerulus
    b. Proximal convoluted tubule
    c. Distal convoluted tubule
    d. Collecting duct
    e. Nephron loop
  3. c Glucose and amino acids are reabsorbed from the glomerular filtrate by
    a. The renal corpuscle
    b. The proximal convoluted tubule
    c. The distal convolutes tubule
    d. The glomerular capillaries
    e. The collecting duct
  4. d Angiotensin converting enzyme is found only in the kidneys and converts angiotensinogen to angiotensin I
    a. True
    b. False
  5. e Cells in the cleft between the afferent and efferent arterioles and among capillaries of the glomerulus are known as mesangial cells
    a. True
    b. False

5 Multiple choice questions

  1. The fenestrated endothelium of the capillary has pores small enough to exclude blood cells from the filtrate
    a. True
    b. False
  2. The countercurrent multiplier recaptures ________ and is based on fluid flowing in _________ direction in two adjacent tubules
    a. Potassium; the same
    b. Calcium; the opposite
    c. Calcium; the same
    d. Sodium; the opposite
    e. Sodium; the same
  3. Glomerular filtration occurs because glomerular oncotic pressure overrides glomerular blood pressure
    a. True
    b. False
  4. 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
  5. Which organ system does not excrete waste?
    a. The urinary system
    b. The cardiovascular system
    c. The integumentary system
    d. The digestive system
    e. The respiratory system

5 True/False questions

  1. Preventing sodium loss in the urineAtrial natriuretic peptide reduces blood volume and pressure by all of the following means except
    a. Increasing glomerular filtration rate
    b. Inhibiting rennin and aldosterone secretion
    c. Inhibiting the action of ADH on the kidney
    d. Inhibiting NaCl reabsorption by the collecting duct
    e. Preventing sodium loss in the urine


  2. Collecting ductWhich of the following is not an organ of the urinary system?
    a. Urethra
    b. Collecting duct
    c. Ureter
    d. Urinary bladder
    e. Kidney


  3. hematuriaWhich of the following urinary tract disorders seems most likely to occur in someone who frequently participates in marathon runs?
    a. osmotic dieresis
    b. renal hypertension
    c. cystitis
    d. hematuria
    e. renal calculi


  4. Diabetes mellitusThe average person has approximately __________ nephrons per kidney
    a. 1.2 million
    b. 2.4 million
    c. 3.6 million
    d. 4.8 million
    e. 5.6 million


  5. GlomerulusThe transition from an afferent arteriole to an efferebnt arteriole occurs in the
    a. Glomerulus
    b. Medulla
    c. Cortical radiate veins
    d. Peritubular capillaries
    e. Vasa recta