NSD 225 Final Exam 2 Practice
Questions with Revised\Verified
Solutions 2025-2026 Set.
What is cholesterol? - Answer Fat soluble complex alcohol
- Found only in animal tissue
- Cholesterol is not essential (you make it in liver)
Functions of cholesterol - Answer - Sex hormones
- Bile acids/salts
- Vitamin D
- Part of cell membrane
Cholesterol and heart disease - Answer - Cadiovascular disease
- Atherosclerosis - Artery is completely blocked
- Brain attack - Stroke
Risk factors linked to coronary heart disease - Answer - High blood pressure, physical inactivity,
heredity, gender (men), obesity, elevation is plasma liquids (esp serum cholesterol), heavy
cigarette smoking
How many calories in 1lb of fat? - Answer 3500
Dietary modification can decrease/eliminate 3 risk factors: - Answer - Serum cholesterol levels
- Obesity
- Hypertension
HDL vs LDL - Answer HDL: reduces risk of coronary heart disease, carries cholesterol to be
processed in liver
LDL: increase risk of CHD, deposits cholesterol in arteries
Dietary requirements for cholesterol - Answer Less than 300mg per day, no more than 30% of
, - Coffee decreases homocysteine
- Homocysteine is not just marker but also cause of health problems (makes arteries more
susceptible to damange by increasing stickiness of blood platelets)
Fat soluble vitamins - Answer A, D, E and K (don't lose in cooking oil)
2 forms of vitamin A - Answer - Active preformed in animal food sources
- Inactive in plants (Carotene converted to vit A in intestinal oil)
Functions of vitamin A - Answer - Growth
- Too little may affect vision = night blindess/visual purple
- Normal reproduction
- Cells that line nose/mouth
- 1/6 of carotene can be used as vit A, enough stored in liver to last one yea
Vit A deficiency - Answer - Absorption decreases by disease
- Eye growths: Xerothalmya (drying of eyeball)
- Permanent skin bumps
Vitamin toxicity from Vit A - Answer - Headaches, hair falls out, bone & joint pain, skin lesions
- Carotene: skin turns yellow
Sources of vitamin A - Answer Eggs, liver, butter, milk
- There is no vit A in plants, only beta carotene
Vitamin D - Answer - From sun
- Steroid converted to hormone, not dietary requirement
- 20 different forms - most useful to us is sunlight
Vit D function - Answer Calcify bones
Questions with Revised\Verified
Solutions 2025-2026 Set.
What is cholesterol? - Answer Fat soluble complex alcohol
- Found only in animal tissue
- Cholesterol is not essential (you make it in liver)
Functions of cholesterol - Answer - Sex hormones
- Bile acids/salts
- Vitamin D
- Part of cell membrane
Cholesterol and heart disease - Answer - Cadiovascular disease
- Atherosclerosis - Artery is completely blocked
- Brain attack - Stroke
Risk factors linked to coronary heart disease - Answer - High blood pressure, physical inactivity,
heredity, gender (men), obesity, elevation is plasma liquids (esp serum cholesterol), heavy
cigarette smoking
How many calories in 1lb of fat? - Answer 3500
Dietary modification can decrease/eliminate 3 risk factors: - Answer - Serum cholesterol levels
- Obesity
- Hypertension
HDL vs LDL - Answer HDL: reduces risk of coronary heart disease, carries cholesterol to be
processed in liver
LDL: increase risk of CHD, deposits cholesterol in arteries
Dietary requirements for cholesterol - Answer Less than 300mg per day, no more than 30% of
, - Coffee decreases homocysteine
- Homocysteine is not just marker but also cause of health problems (makes arteries more
susceptible to damange by increasing stickiness of blood platelets)
Fat soluble vitamins - Answer A, D, E and K (don't lose in cooking oil)
2 forms of vitamin A - Answer - Active preformed in animal food sources
- Inactive in plants (Carotene converted to vit A in intestinal oil)
Functions of vitamin A - Answer - Growth
- Too little may affect vision = night blindess/visual purple
- Normal reproduction
- Cells that line nose/mouth
- 1/6 of carotene can be used as vit A, enough stored in liver to last one yea
Vit A deficiency - Answer - Absorption decreases by disease
- Eye growths: Xerothalmya (drying of eyeball)
- Permanent skin bumps
Vitamin toxicity from Vit A - Answer - Headaches, hair falls out, bone & joint pain, skin lesions
- Carotene: skin turns yellow
Sources of vitamin A - Answer Eggs, liver, butter, milk
- There is no vit A in plants, only beta carotene
Vitamin D - Answer - From sun
- Steroid converted to hormone, not dietary requirement
- 20 different forms - most useful to us is sunlight
Vit D function - Answer Calcify bones
