Lipids: Lipid Metabolism Assessment

22 Questions | By Leecinn | Updated: Mar 21, 2022 | Attempts: 497

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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