A&P2 - TEST 3

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Author:
cbennett
ID:
311345
Filename:
A&P2 - TEST 3
Updated:
2015-11-15 22:41:08
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P2 TEST
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A&P2 - TEST 3
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  1. Homeostatic kidney functions
    • regulates:
    • blood ionic composition
    • blood pH
    • blood volume
    • blood pressure
  2. The liver converts ammonia to ?
    Urea
  3. The urinary system consists of ?
    • kidneys
    • ureters
    • bladder
    • urethra
  4. The Hilum of the kidney is the entrance for ?
    • renal artery
    • renal vein
    • ureter
    • nerves
    • lymphatics
  5. What percentage of the the blood supply do kidneys receive?
    20-25% of resting cardiac output
  6. What part of the kidney determines what is pulled into the urine for excretion?
    The loop of Henle
  7. Name the two kinds of Nephrons
    • Cortical Nephrons
    • Juxtamedullary Nephrons
  8. The most common type of nephron that is in the outer portion of the cortex, creates urine with osmolarity similar to blood
    Cortical Nephron
  9. The Nephrons that receive blood from peritubular capillaries and vasa recta, enables kidney to secrete very concentrated urine
    Juxtamedullary Nephrons
  10. Filtering of body fluids
    Filtrations
  11. Reclaiming valuable solutes
    Reabsorption
  12. Adding nonessential solutes and wastes from the body fluids to the filtrate
    Secretion
  13. Processed filtrate containing nitrogenous wastes, released from the body
    Excretion
  14. GFR is controlled by ?
    • Renal autoregulation
    • Neural regulateion
    • Hormonal regulation
  15. An increase in what triggers the release of ADH which helps to conserve water?
    Osmolarity (saltiness)
  16. ADH binds to this type of collecting cell makes is easier to move H2O in and out of the cell
    Aquaporins
  17. When does the Renin-Angiotensin-Aldosterone System (RAAS) kick on?
    Low blood pressure
  18. reproduction that is asexual or cloning
    Mitosis
  19. reproduction that involves egg and sperm
    Meiosis
  20. Why is genetic variation and diversity beneficial?
    • makes chances of survival in different environments better
    • shuffling genes may eliminate harmful genes from populations
  21. What is cryptic estrace and why?
    • unknown when human females ovulate
    • thought to keep the partner around for support and care and ensure that the child is yours
  22. What does the bulbourethral gland secrete?
    pre-ejaculate to prepare the urethra pH for the sperm
  23. The term for the production of gametes?
    gametogenesis
  24. How many cellular divisions in meiosis of oogenesis?
    • 2 cellular divisions
    • then to four cells and only one will become a viable egg
  25. Going from 46 to 23 chromosomes is called
    Meiosis I
  26. An egg does not finish forming until when?
    it is fertilized
  27. An egg does not go through Meiosis II until when?
    a sperm enters

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