Review for Exam 1

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lollybebe
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307513
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Review for Exam 1
Updated:
2015-09-08 15:59:50
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cardiac
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CARD 1
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Review for Exam 1
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  1. What does the Dicrotic notch mean on the pressure curve?
    Aortic valve closure
  2. During atrial systole, how much blood is ejected during the atrial kick?
    10-15% of filling
  3. What are capillaries responsible for?
    exchange of nutrients and oxygen
  4. If the parasymetic nervous system is overstimulated what will it do to the heart rate?
    Decrease heart rate
  5. Two other names for RVOT?
    1.) conus arteriosus

    2.) infundibulum
  6. Two main valves that can be found in the right atrium?
    1.) Eustachian valve - IVC

    2.) Thebesian valve - Coronary sinus
  7. Names of the two papillary muscles of the mitral valve?
    1. Antero-lateral papillary muscle

    2.) Postero-medial papillary muscle
  8. The shoulder should be abducted....
    30 degrees or less
  9. Two other names for the AO Root?
    1.) Sinus of Valsalva

    2.) Pouches
  10. Where is the moderator band located?
    Right ventricle
  11. Two purposes of the chordae tendineae and papillary muscles?
    1.) Helps to open and close valves

    2.) Keeps valves from prolapsing back into atrium.
  12. What valve is most superior?
    pulmonic valve
  13. What chamber is most anterior?
    Right ventricle
  14. 3 physical factors that contribute to MSDs in sonographers?
    • 1.) age
    • 2.) Gender: women 83% more likely
    • 3.) Height and weight: being under 5'4"
  15. How many pounds of pressure does obese patients require?
    40 pounds of pressure
  16. What is the number one task that causes sonographers MSDs problems?
    bedside exams
  17. What causes MSDs?  (7)
    • 1.) Repetitive motions
    • 2.) forceful or awkward movements
    • 3.) duration of pressure
    • 4.) overuse
    • 5.) poor posture/improper positioning
    • 6.) excessive force and strain
    • 7.) vibrations
  18. What are some symptoms of MSDs?  (5)
    • 1.) pain, dull ache
    • 2.) swelling
    • 3.) burning and tingling
    • 4.) clumsiness
    • 5.) weakness
  19. What are some steps that can help reduce injuries?  (5)
    • 1.) take mini breaks every 8 minutes
    • 2.) stretching exercises
    • 3.) strengthening exercises
    • 4.) adjust work area for your comfort
    • 5.) keep proper body posture and alignments
  20. Waves during the EKG meanings:
    • P wave: atrial depolarization and contraction
    • QRS wave:  ventricular depolarization and contraction
    • T wave:   ventricular repolarization
  21. How much blood is ejected during rapid ejection phrase?
    1/3 of the blood
  22. How much blood is ejected during reduced ejection?
    2/3 of the blood
  23. What are 5 purposes of the pericardium?
    • 1.) Reduces friction
    • 2.) Allows freedom of movement
    • 3.) Limits the amount of distention.
    • 4.) Contains the heart in the mediastinum in trauma.
    • 5.) Protects against infections.

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