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5 Written questions

5 Matching questions

  1. (Skin as) Radiator
  2. Ibn Sina (980-1037)
  3. Hypothalamic Temperature Control (Cold)
  4. Destructive Feedback Loop
  5. Nervous (and) Endocrine (Systems)
  1. a Heat Conservation and Heat Production
  2. b Published a textbook "The Canon of Medicine", leading authority for 600 years in Europe.
  3. c When blood travels above adipose tissue, skin is {this}.
  4. d Fever at 108°: metabolic rate increases → more heat generated → further rise in body temp (repeat); temperature around 113° is fatal (body's proteins denature).
  5. e These systems play a central, coordinated role in homeostasis.

5 Multiple choice questions

  1. Any stress that changes a controlled condition (set point).
  2. Exposure to cold temperatures down to 55 °F or hot temperatures up to 130 °F. (Subject nude in dry air.)
  3. Joint friction, blood flow, other movements generate some energy.
  4. Painful muscle spasms due to excessive electrolyte loss in sweat.
  5. Dipolar molecule consisting of a phosphorylated glycerol (head) and two fatty acids (tails). Glycerol is hydrophilic, whereas the non-polar fatty acids are hydrophobic.

5 True/False questions

  1. Robert HookeBuilt the first compound microscope; coined "cell"; used microscope to study how insect feed adhered to wet slippery surfaces.


  2. Phospholipid Bilayer (Functions)* Selective permeability
    * Active transport: excretion (waste removal), or secretion (product)
    * Adhesion
    * Communication (receptors)
    * Motility, movement of fluids


  3. William Harvey (1578-1657)Modern physiology dates from his research on the cardiovascular system; "On the Movement of the Heart and Blood in Animals"; blood recycled, pumped out of the heart via arteries which were somehow connected to veins and returned to the heart (capillaries weren't visible).


  4. HomeostasisSkin freezes. Areas susceptible: fingers, toes, ear lobes, and eyes. Ice crystals form in tissues impairing blood circulation, causing permanent damage, leading to gangrene following thawing.


  5. Negative FeedbackA process in which the body senses a change and activates a mechanism that reverses that change; its function is to maintain stable internal environmental conditions; closed loop system.


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