Urinary System

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ambirc
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150976
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Urinary System
Updated:
2012-05-01 00:50:58
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Urinary System
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A&P 102 Ivy Tech Community College - Urinary Systm
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  1. The kidney engages in all of the following activities
    except:
    A. Secrete a hormone which assists in blood pressure
    regulation
    B. Eliminate nitrogenous wastes
    C. Secrete a hormone which increases red blood cell
    production
    D. detoxifying free radicals
    E. Secrete a hormone which increases the absorption of
    glucose from the digestive tract
    e. Secrete a hormone which increases the absorption ofglucose from the digestive tract
  2. How does alcohol increase urine production?
    A. By Causing an increase in sodium excretion
    B. It decrease the concentration gradient created by the
    nephron loop
    C. In inhibit ADH secretion
    D. It promotes increased filtration through the glomerulus
    E. It inhibits water permeability in the collection duct
    C. In inhibit ADH secretion
  3. The micturition reflex:
    A. In infancy is regulated by a micturition center in the pon
    B. Cannot be controlled vollunatary in adulthood
    C. Is designed to prevent overstretching of thedetrusor muscle
    D. Is a sympathetic reflex
    E. Is the predominant mechanism that voids thebladder in infants
    A. In infancy is regulated by a micturition centerin the pon
    (this multiple choice question has been scrambled)
  4. 4. This urinary disorder occurs commonly as a result of pregnancy
    A. nephrotic syndrome
    B. urinary incontinence
    C. hydronephrosis
    D. acute glomerulonephritis
    E. acute renal failure
    B. urinary incontinence
    (this multiple choice question has been scrambled)
  5. It is unhealthy to find this substance in urine:
    A. Urea
    B. sodium chloride
    C. glucose
    D. traces of calcium
    E. water
    C. glucose
    (this multiple choice question has been scrambled)
  6. The role the kidney plays in the homeostasis of the body includes all of the following except to:
    A. base balance of the body.
    B. regulate osmolarity of body fluids by regulating electrolyte elimination.
    C. control lymphocyte count.
    D. control blood volume and blood pressure.
    E. help regulate acid
    C. control lymphocyte count.
    (this multiple choice question has been scrambled)
  7. The concentration gradient that exists from the cortex to the medulla of the kidney is produced by the
    A. collecting ducts of juxtameduary and cortical nephrons
    B. loops of the juxtamedullary nephrons
    C. distal convoluted tubules of cortical nephrons
    D. loops of the cortical nephrons
    E. proximal convoluted tubules of juxtamedullary nephrons
    B. loops of the juxtamedullary nephrons
    (this multiple choice question has been scrambled)
  8. A distinguishing feature of the DCT and the collecting duct is that they are under hormonal control, unlike the PCT and loop.
    True or False
    True
  9. The right kidney is lower than the left because of the space occupied by which other organ?
    A. Stomach
    B. Liver
    C. Spleen
    D. Gallbladder
    B. Liver
    (this multiple choice question has been scrambled)
  10. Which of the following is the main structure holding the kidney against the back body wall?
    A. parietal peritoneum
    B. renal fascia
    C. renal capsule
    D. adipose capsule
    B. renal fascia
    (this multiple choice question has been scrambled)
  11. The filtration of blood plasma that begins the process of urine formation occurs at which of the following?
    A. glomerular capillaries
    B. peritubular capillaries
    C. afferent arterioles
    D. arcuate arteries
    A. glomerular capillaries
    (this multiple choice question has been scrambled)
  12. The renal medulla receives its blood supply from a network of vessels called the vasa recta.
    True or False
    True
  13. Which of the following is not considered part of the renal tubule?
    A. proximal convoluted tubule
    B. distal convoluted tubule
    C. collecting duct
    D. capsular space
    D. capsular space
    (this multiple choice question has been scrambled)
  14. 14. Which of the following is lined with a simple cuboidal epithelium with prominent microvilli (brush border)
    A. collecting duct
    B. distal convoluted tubule
    C. proximal convoluted tubule
    D. loop of henle
    C. proximal convoluted tubule
    (this multiple choice question has been scrambled)
  15. The thick segment of the nephron loop is very permeable to water.

    True orFalse
    ??
  16. A filtrate of blood
    plasma is transformed into urine and passes to the outside by passing through
    the following structures in this order—glomerular capsule to proximal
    convoluted tubule to nephron loop to distal convoluted tubule to collecting
    duct to papillary duct to minor calyx to major calyx to renal pelvis to urethra
    to urinary bladder to ureter to outside.

    True or False
    False
  17. Renal autoregulation can compensate for changes in mean arterial blood pressure over a range from 80 to 170 mmHg and still maintain a stable GFR.
    True False
    True
  18. The blood hydrostatic pressure is quite low in the glomerular capillaries, because the afferent arteriole is larger than the efferent arteriole.
    True False
    False
  19. When blood pressure drops, the juxtaglomerular cells of the kidney secrete the enzyme renin, which indirectly results in
    A. a stimulation of the sense of thirst.
    B. a loss of sodium.
    C. an increase in the glomerular filtration rate.
    D. a lowering of the mean arterial blood pressure.
    A. a stimulation of the sense of thirst.
    (this multiple choice question has been scrambled)
  20. The peritubular capillaries are involved in large amounts of tubular reabsorption because of their high blood hydrostatic pressure (BHP) and low colloid osmotic pressure
    (COP).
    True or False
    False
  21. In one pass through the kidney, half of the urea is removed from the blood, lowering its concentration to a safe level.
    True or False
    True
  22. As urine passes down the collecting duct, water leaves the tube by osmosis and, thus, the urine becomes more and more concentrated.
    True or False
    True
  23. Urea accounts for about 40% of the high osmolarity of the extracellular fluid in the deep medulla.
    True or False
    True
  24. The blood flowing into and out of the medulla in the vasa recta has little impact on the osmolarity of the deep medulla.
    True or False
    True
  25. The output of an excess of 2L/day of urine is known as pyuria.
    True or False
    False
  26. Which of the following types of diabetes is caused by hypersecretion of cortisol?
    A. diabetes mellitus
    B. adrenal diabetes
    C. pituitary diabetes
    D. diabetes insipidus
    B. adrenal diabetes
    (this multiple choice question has been scrambled)
  27. Both the internal and external urethral sphincters are composed of skeletal muscle.
    True or False
    False
  28. The major nitrogenous waste product in humans is:
    A. uric acid
    B. ammonia
    C. Guanine
    D. creatinine
    E. urea
    E. urea
    (this multiple choice question has been scrambled)
  29. Urea is made in the:
    A. liver
    B. respiratory system
    C. large intestine
    D. kidney
    E. Skin
    A. liver
    (this multiple choice question has been scrambled)
  30. All of these organ systems carry out excretion except:
    A. nervous
    B. Integumentary
    C. urinary
    D. digestive
    E. respiratory
    A. nervous
    (this multiple choice question has been scrambled)
  31. The correct sequence of blood flow through the kidney is:
    interlobular artery > afferent arteriole > glomerulus > efferent arteriole > peritubular capillaries
  32. The most correct sequence of fluid flow through the kidney is:
    • glomerular capsule > proximal convoluted tubules
    • > nephron loop > distal convoluted tubules > collecting duct
  33. Fluid leaving the blood stream to enter the kidney tubules would first pass through the:
    A. filtration slits
    B. fenestrae of the capillary endothelium
    C. nephron loop
    D. ureter
    E. proximal convoluted tubule
    B. fenestrae of the capillary endothelium
    (this multiple choice question has been scrambled)
  34. Should blood pressure rise, one means of renal autoregulation would involve:
    A. constriction of the afferent arteriole
    B. dilation of the proximal convoluted tubule
    C. constriction of the efferent arteriole
    D. dilation of the afferent arteriole
    E. constriction of the proximal convoluted tubule
    A. constriction of the afferent arteriole
    (this multiple choice question has been scrambled)
  35. Angiotensin II has all of these effects except:
    A. increases platelet count
    B. stimulates sodium retention
    C. constricts arteries
    D. promotes water intake
    E. increases blood pressure
    A. increases platelet count
    (this multiple choice question has been scrambled)
  36. In a normal person, almost all of the glucose in the filtrate is transported back into the body's
    cells in this area:
    A. glomerular capsule
    B. nephron loop
    C. collecting duct
    D. proximal convoluted tubule
    E. distal convoluted tubule
    D. proximal convoluted tubule
    (this multiple choice question has been scrambled)
  37. The collecting duct is able to concentrate urine mainly because:
    A. hydrostatic pressure forces water out of the duct
    B. it actively transports water
    C. it is permeable to NaCl but not water
    D. the permeability of the tubular cells to Na+ increases as the duct passes through the medulla
    E. the osmolarity of the extracellular fluid in the medulla is higher than that in the cortex
    E. the osmolarity of the extracellular fluid in the medulla is higher than that in the cortex
    (this multiple choice question has been scrambled)
  38. The last place a drop of urine is at before it leaves your body usually is:
    A. Ureter
    B. renal pelvis
    C. urethra
    D. urinary bladder
    E. major calyx of the kidney
    C. urethra
    (this multiple choice question has been scrambled)

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