Lipids: Lipid Metabolism Assessment

22 Questions | Total Attempts: 311

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Lipid Quizzes & Trivia

Questions and Answers
  • 1. 
    Your diet has a direct impact on the type of LDL your body produces. A healthy diet leads to large, bouyant particles and an unhealthy diet leads to a small, dense LDL particles
    • A. 

      True

    • B. 

      False

  • 2. 
    HDL removes surplus triglycerides from the periphery and transports it to the liver for disposal
    • A. 

      True

    • B. 

      False

  • 3. 
    ________packages the fat we consume and transports it from our small intestine to the liver.
    • A. 

      LDL

    • B. 

      VLDL

    • C. 

      Chylomicrons

    • D. 

      HDL

  • 4. 
    _______is(are) a class of lipoproteins formed in the degradation of very-low-density lipoproteins; some are cleared rapidly into the liver and some are degraded to low-density lipoproteins.
    • A. 

      IDL

    • B. 

      Remnants lipoproteins

    • C. 

      HDL

    • D. 

      VLDL3

  • 5. 
    Their levels are genetically determined and remain relatively stable over an individual's lifetime. 
    • A. 

      Small, dense LDL

    • B. 

      Lp(a)

    • C. 

      LpPla2

    • D. 

      IDL

  • 6. 
    __________transport cholesterol from the tissues of the body back to the liver through a process called reverse cholesterol transport, so the cholesterol can be eliminated in the bile.
    • A. 

      LDL

    • B. 

      Chylomicrons

    • C. 

      Triglycerides

    • D. 

      Phopholipids

    • E. 

      HDL

  • 7. 
    __________transports cholesterol to the tissues of the body. It is therefore considered the "bad" cholesterol.
    • A. 

      IDL

    • B. 

      Lp(a)

    • C. 

      VLDL3

    • D. 

      LDL

  • 8. 
    Of the lipoprotein types produced by the liver, ______contains the highest amount of triglyceride. Because it contains a high level of triglyceride, having a high level means you may have an increased risk of coronary artery disease
    • A. 

      VLDL

    • B. 

      VLDL3

    • C. 

      IDL

    • D. 

      LDL

  • 9. 
    Please select all the lipoproteins that occurs as part of a healthy diet lipid pathways
    • A. 

      VLDL

    • B. 

      VLDL3

    • C. 

      LDL Large, Bouyant

    • D. 

      IDL

    • E. 

      HDL

  • 10. 
    Which of the following are unique to an unhealthy diet lipid metabolism pathway?
    • A. 

      Lp(a)

    • B. 

      HDL

    • C. 

      VLDL3

    • D. 

      Small, dense LDL

    • E. 

      Large, bouyant LDL

  • 11. 
    Fundamentally, triglycerides provide energy whereas cholesterol supports structure and function
    • A. 

      True

    • B. 

      False

  • 12. 
    Lp(a) is genetically similar to _______________thus promoting clot formation in arteries burdened by atherosclerotic plaque. This may be one of the mechanisms behind the involvement of Lp(a) in heart attack and stroke.
    • A. 

      Fibrolectin

    • B. 

      Fibrinogen

    • C. 

      Plasminogen

    • D. 

      Plasmin

    • E. 

      None of the above

  • 13. 
    Which of the following statements are true regarding lipoprotein particles and atherosclerosis?
    • A. 

      Smaller particles more easily infiltrate the vessel wall, initiating the atherosclerotic process

    • B. 

      More particles means more opportunity for infiltration to occur.

    • C. 

      Higher cholesterol content can result in a more rapid advancement in atherosclerosis.

    • D. 

      All of the above are true

  • 14. 
    Regular aerobic exercise, loss of excess weight (fat), and cessation of cigarette smoking may increase HDL cholesterol levels.
    • A. 

      True

    • B. 

      False

  • 15. 
    An HDL cholesterol of _______or higher gives some protection against heart disease
    • A. 

      40 mg/dl

    • B. 

      60 mg/dl

    • C. 

      50 mg/dl

    • D. 

      30 mg/dl

  • 16. 
    Lp(a) is considered to be ____ more atherogenic (disease causing) than LDL cholesterol.  
    • A. 

      100X

    • B. 

      50X

    • C. 

      10X

    • D. 

      15X

  • 17. 
    What 2 lipoprotein particles are not present in the HEALTHY LDL metabolic Pathway:
    • A. 

      IDL & VLDL

    • B. 

      VLDL & LDL Type A

    • C. 

      HDL & LP(a)

    • D. 

      LDL Type B, IDL

    • E. 

      None of the above

  • 18. 
    What statements are true concerning the LDL metabolic pathway?
    • A. 

      As particles progress along the pathway, their cholesterol load increases as a percent of total load

    • B. 

      As particles progress along the pathway, their triglyceride load decreases as a percent of total load

    • C. 

      As particles progress along the pathway, their apoprotein concentration increases as a percent of total

    • D. 

      All of the statements are correct

    • E. 

      A and B only are correct

  • 19. 
    Elevated Lp(a) presents a far greater risk than elevated LDL because it is both atherogenic and thrombogenic
    • A. 

      True

    • B. 

      False

  • 20. 
    One difference between Chylomicrons and VLDL is that chylomicrons originate from the liver whereas VLDL originates from the small intestines
    • A. 

      True

    • B. 

      False

  • 21. 
    In unhealthy lipoprotein metabolism (unhealthy eating), more particles are created than the body can use and remove, causing a greater particle load to progress through the metabolic pathway, with the particles getting progressively more cholesterol-rich throughout the process. This leads to an increased number of particles that are high in cholesterol, thus increasing the patient’s risk for atherosclerosis.
    • A. 

      True

    • B. 

      False

  • 22. 
    VLDL and VLDL3 are differentiated by: (mark all that apply)
    • A. 

      Their Size

    • B. 

      Their Relative cholesterol content

    • C. 

      Their Apo Marker

    • D. 

      Their atherogenicity

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