12 Questions
What is the purpose of a cholesterol test?
To estimate the risk of heart diseases
Which type of cholesterol is known as the 'bad' cholesterol?
Low-density lipoprotein (LDL) cholesterol
What problem can high levels of LDL cholesterol cause?
Reduced blood flow due to plaque buildup in arteries
Which type of cholesterol helps carry away LDL cholesterol?
High-density lipoprotein (HDL) cholesterol
What are triglycerides?
Stored fat cells in the body
What can happen if plaques formed by LDL cholesterol rupture?
Heart attack or stroke
Why might more frequent testing be needed for individuals with coronary artery disease?
To monitor the effectiveness of their treatments.
Which factor does not contribute to the need for more frequent cholesterol testing?
Being underweight
Why is the standard lipid/cholesterol panel often confusing to understand?
It consists of different components that are not easily deciphered.
Why do people undergoing treatment for high cholesterol require regular cholesterol testing?
To monitor the effectiveness of their treatments.
What is the main objective of calculating cholesterol concentration in an unknown sample?
To compare it with normal values from scientific references.
Why is a constant temperature incubator set at 37°C required for cholesterol testing?
To prevent cholesterol oxidation.
Study Notes
What is a Cholesterol Test?
- A cholesterol test is a blood test that measures the amount of cholesterol in the blood.
- It determines the risk of heart attacks and other forms of heart disease and blood vessel diseases.
Types of Cholesterol
- Total Cholesterol: the sum of cholesterol content in the blood.
- Low-Density Lipoprotein (LDL) Cholesterol: "bad" cholesterol, too much of which can cause buildup of fatty deposits in arteries, leading to heart attacks and strokes.
- High-Density Lipoprotein (HDL) Cholesterol: "good" cholesterol, which helps remove LDL cholesterol from arteries, keeping them open and blood flowing freely.
- Triglycerides: a type of fat in the blood, stored in fat cells when calories are not needed.
Causes of High Cholesterol
- Family history of high cholesterol or heart attacks
- Being overweight
- Physical inactivity
- Diabetes
- Unhealthy diet
- Smoking cigarettes
Importance of Regular Cholesterol Testing
- Needed if initial test results were abnormal
- Needed if already having coronary artery disease
- Needed if taking cholesterol-lowering medications
- Needed if at higher risk of coronary artery disease
Normal Range of Cholesterol
- To be compared with scientific references
- Monitoring the effectiveness of treatments for high cholesterol requires regular testing
Test your knowledge about cholesterol tests and their significance in assessing heart disease risk. Learn about the importance of monitoring cholesterol levels and understanding the results. This quiz is based on the contents of the first stage of Cholesterol by Sara Khalil Muhammad 2024.
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