Hyperlipidemia Flashcards
Which of the following lipids are included in the category of hyperlipidemia?
a. Cholesterol and phospholipids
b. Triglycerides and phospholipids
c. Cholesterol and triglycerides
d. Fatty acids and phospholipids
c. Cholesterol and triglycerides
Why do lipids need a transporter to move around the body?
a. Because they are water-soluble
b. Because they are water-insoluble
c. Because they are water-insoluble
d. Because they are too large
c. Because they are water-insoluble
What are lipoproteins composed of?
a. Protein and carbohydrate
b. Lipid and carbohydrate
c. Lipid and apolipoprotein
d. Protein and nucleic acid
c. Lipid and apolipoprotein
Which type of lipoprotein is secreted from the intestine to carry exogenous triglycerides and cholesterol?
a. VLDL
b. Chylomicron
c. LDL
d. HDL
b. Chylomicron
VLDL is secreted from the liver to carry which type of triglycerides?
a. Endogenous
b. Exogenous
c. Dietary
d. Peripheral
a. Endogenous
LDL is secreted from the liver to carry which type of cholesterol?
a. Exogenous
b. Endogenous
c. Dietary
d. Peripheral
b. Endogenous
What is the primary function of HDL?
a. Carry exogenous triglycerides from the GIT to blood circulation
b. Carry endogenous triglycerides from the liver to blood circulation
c. Carry cholesterol from peripheral tissues and blood circulation to the liver for metabolism and/or secretion
d. Carry endogenous cholesterol from the liver to blood circulation
c. Carry cholesterol from peripheral tissues and blood circulation to the liver for metabolism and/or secretion
Coronary heart disease (CHD) is correlated with which of the following lipid profiles?
a. Low levels of low-density lipoprotein cholesterol (LDL-C)
b. Low levels of triglycerides
c. Elevated levels of low-density lipoprotein cholesterol (LDL-C)
d. High levels of high-density lipoprotein cholesterol (HDL-C)
c. Elevated levels of low-density lipoprotein cholesterol (LDL-C)
Elevated levels of which lipid are associated with an increased risk of coronary heart disease (CHD)?
a. Triglycerides
b. High-density lipoprotein cholesterol (HDL-C)
c. Apolipoproteins
d. Phospholipids
a. Triglycerides
Low levels of which type of cholesterol are correlated with coronary heart disease (CHD)?
a. Low-density lipoprotein cholesterol (LDL-C)
b. High-density lipoprotein cholesterol (HDL-C)
c. Triglycerides
d. Apolipoproteins
b. High-density lipoprotein cholesterol (HDL-C)
Plasma lipids primarily consist of which of the following?
a. Carbohydrates and proteins
b. Lipoproteins
c. Nucleic acids and lipids
d. Amino acids and cholesterol
b. Lipoproteins
Lipoprotein is a combination of which components?
a. Phospholipid and protein
b. Triglyceride or cholesterol with apoprotein
c. Cholesterol and carbohydrate
d. Triglyceride and carbohydrate
b. Triglyceride or cholesterol with apoprotein
Which lipoprotein has the highest atherogenicity?
a. HDL
b. VLDL
c. LDL
d. Chylomicrons
c. LDL
What is the correct order of clinically important lipoproteins in decreasing order of atherogenicity?
a. VLDL > LDL > HDL > Chylomicrons
b. LDL > VLDL > Chylomicrons > HDL
c. HDL > LDL > VLDL > Chylomicrons
d. Chylomicrons > LDL > VLDL > HDL
b. LDL > VLDL > Chylomicrons > HDL
What do HMG CoA reductase inhibitors primarily lower?
a. HDL cholesterol
b. Triglycerides
c. LDL cholesterol
d. Total cholesterol
c. LDL cholesterol
HMG CoA reductase inhibitors are commonly known as:
a. Beta-blockers
b. Statins
c. ACE inhibitors
d. Diuretics
b. Statins
Which of the following is not a statin?
a. Lovastatin
b. Simvastatin
c. Pravastatin
d. Lisinopril
d. Lisinopril
What is the primary mechanism of action of statins?
a. Increase triglyceride synthesis
b. Inhibit the rate-limiting step in cholesterol synthesis
c. Block absorption of dietary cholesterol
d. Increase HDL cholesterol synthesis
b. Inhibit the rate-limiting step in cholesterol synthesis
By depleting intracellular cholesterol, statins cause cells to:
a. Decrease the number of cell surface LDL receptors
b. Decrease LDL catabolism
c. Increase the number of cell surface LDL receptors
d. Increase intracellular cholesterol synthesis
c. Increase the number of cell surface LDL receptors
Statins result in an increased number of LDL receptors, leading to:
a. Decreased HDL levels
b. Decreased triglyceride levels
c. Increased LDL catabolism
d. Increased intracellular cholesterol
c. Increased LDL catabolism
In addition to lowering LDL-C, HMG CoA reductase inhibitors also:
a. Decrease triglyceride levels
b. Decrease HDL levels
c. Increase LDL synthesis
d. Increase triglyceride synthesis
a. Decrease triglyceride levels
Statins can increase which cholesterol level in some patients?
a. LDL cholesterol
b. HDL cholesterol
c. Total cholesterol
d. Triglycerides
b. HDL cholesterol
Which of the following is considered the most effective statin?
a. Lovastatin
b. Simvastatin
c. Rosuvastatin
d. Fluvastatin
c. Rosuvastatin
Statins are considered the primary treatment option for which condition?
a. Hypertension
b. Hypercholesterolemia
c. Diabetes
d. Hyperglycemia
b. Hypercholesterolemia
Statins are considered first-line treatment for patients with elevated risk of which disease?
a. Chronic Obstructive Pulmonary Disease (COPD)
b. Chronic Kidney Disease (CKD)
c. Atherosclerotic Cardiovascular Disease (ASCVD)
d. Congestive Heart Failure (CHF)
c. Atherosclerotic Cardiovascular Disease (ASCVD)
When should statins be administered for maximum effectiveness?
a. In the morning
b. In the evening
c. At noon
d. Before bedtime
b. In the evening
Which of the following is a common adverse effect of statins?
a. Elevated liver enzymes
b. Hypoglycemia
c. Hypertension
d. Anemia
a. Elevated liver enzymes
Myopathy and rhabdomyolysis associated with statins involve:
a. Liver damage
b. Muscle pain and muscle fiber destruction
c. Kidney failure
d. Nervous system damage
b. Muscle pain and muscle fiber destruction
Statins may increase the effect of which anticoagulant by inhibiting its metabolism?
a. Heparin
b. Warfarin
c. Aspirin
d. Clopidogrel
b. Warfarin
Why are statins contraindicated during pregnancy and lactation?
a. Due to potential adverse effects on the fetus or infant
b. Because they are ineffective during pregnancy
c. Because they increase blood pressure
d. Due to increased risk of gestational diabetes
a. Due to potential adverse effects on the fetus or infant
Statins are effective in lowering plasma cholesterol levels in which types of hyperlipidemias?
a. All types of hyperlipidemias
b. Only in familial hypercholesterolemia
c. Only in dietary-induced hyperlipidemia
d. Only in secondary hyperlipidemia
a. All types of hyperlipidemias
Niacin (nicotinic acid) reduces LDL-C by:
a. 10%
b. 15%
c. 20%
d. 25%
c. 20%
Niacin lowers triglycerides by:
a. 20%
b. 25%
c. 35%
d. 40%
c. 35%
Which of the following is the most effective agent for increasing HDL-C?
a. Statins
b. Fibrates
c. Bile acid sequestrants
d. Niacin (nicotinic acid)
d. Niacin (nicotinic acid)
Niacin’s mechanism of action includes inhibiting:
a. Cholesterol absorption
b. Lipolysis in adipose tissue
c. VLDL production in the liver
d. LDL receptor activity
b. Lipolysis in adipose tissue
By inhibiting lipolysis in adipose tissue, niacin reduces the production of:
a. Cholesterol
b. HDL
c. VLDL
d. Free fatty acids
d. Free fatty acids
The liver uses circulating free fatty acids as a major precursor for:
a. Triglyceride synthesis
b. HDL synthesis
c. Cholesterol synthesis
d. Protein synthesis
a. Triglyceride synthesis
Reduced liver triglyceride levels due to niacin lead to decreased production of:
a. HDL
b. VLDL
c. LDL receptors
d. Apolipoproteins
b. VLDL