Bio final 2

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Author:
Danielvu28
ID:
121666
Filename:
Bio final 2
Updated:
2011-12-07 19:40:55
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Mammal anatomy
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Mammal anatomy
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  1. What is the order of events for keeping blood sugar (glucose) levels stable?
    • 1st The body absorbs food molecules after eating.
    • 2nd The levels of glucose in the blood rise
    • 3rd The liver removes glucose from the blood.
    • 4th As the body uses glucose for energy, the liver releases stored glucose into the blood.
  2. When a doctor suggests a diet low in saturated fates, which products are preferred
    when cooking?
    • UNSTURATED FATS (oils with double bonds between their carbons)
    • Ex. olive oil
  3. Simple sugars bond to form starches...which monomers bond to form proteins?
    AMINO ACIDS
  4. Which process (in the kidney) removes both wastes AND useful substances from the
    blood?
    FILTRATION
  5. Where in the nephron does filtration occur?
    GLOMERULUS
  6. What is a positive urine test for diabetes?
    URINE HAS HIGH LEVELS OF GLUCOSE
  7. Which part of the nervous system controls heartrate?
    AUTONOMIC
  8. When you text, you are using motor neurons from which part of the nervous system?
    SOMATIC (Voluntary) Nervous System
  9. Which structure carries impulses away from the cell body?
    AXON (be able to identify the axon on a diagram of the neuron)
  10. How does the brain react to the excess dopamine levels caused by drug addiction?
    IT REDUCES THE NUMBER OF RECEPTORS FOR DOPAMINE
  11. Which part of the brain tells you that you are hungry?
    HYPOTHALAMUS
  12. What happens when thin filaments move over thick filaments?
    THE MUSCLE CONTRACTS
  13. -How does exercise effect muscles?
    • IT INCREASES MUSCLE TONE
    • IT INCREASES THE EFFECIENCY OF THE HEART.
    • IT CAUSES MUSCLES TO VISIBLY INCREASE IN SIZE
  14. Which type of muscle can contract without stimulation from the nervous system?
    SMOOTH & CARDIAC MUSCLES
  15. Why are antibiotics often used to cure acne?
    TO KILL BACTERIA TRAPPED IN PORES
  16. What are hives?
    • FLUID FROM BLOOD VESSELS OOZING INTO SURROUNDING TISSUES AND
    • CAUSING SWELLING
  17. Why is cartilage important?
    IT ACTS AS A CUSHION BETWEEN BONES
  18. What is the correct direction of flow on the right side of the heart?
    RIGHT ATRIUM -> RIGHT VENTRICLE ->PULMONARY ARTERY
  19. 2-What is the correct direction of flow through the major blood vessels?
    ARTERIES ->. CAPILLARIES -> VEINS
  20. What is the condition when blood flow is blocked in the brain?
    A STROKE
  21. Which arteries supply the heart muscle with oxygen?
    CORONARY ARTERIES
  22. When you take a deep breath which large muscle is contracting?
    THE DIAPHRAGM
  23. How does movement of the rib cage change air pressure in the chest cavity/pleural
    space?
    • RIB CAGE MOVES UP, PRESSURE IN THE CHEST CAVITY DECREASES, AIR
    • RUSHES IN
  24. Can a B-cell attack more than one type of pathogen?
    NO THEY ARE PATHOGEN-SPECIFIC
  25. What is an example of active immunity?
    • A PERSON DEVELOPING ANTIBODIES TO A VACCINE (ex. measles or HPV
    • vaccines)
  26. What causes allergies?
    MAST CELLS RELEASE HISTAMINES
  27. What causes inflammation?
    PAIN, SWELLING, FEVER
  28. What causes autoimmune diseases?
    THE BODY CANNOT DISTINGUISH SELF FROM NONSELF (It attacks itself)

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