health science

Question 1

what stimulates the appitite control centure?

Answer 1

Ghrelin

Question 2

what suppresses the hunger sensation?

Answer 2

PYY 3-36 and leptin

Question 3

what is prader-willi syndrom?

Answer 3

a genetic condition causing insatible hunger

Question 4

what is prader willi syndrom caused by?

Answer 4

deletion of genes on chromosome

Question 5

what are health conserns of eating disorders?

Answer 5

symptoms of weight loss worsen over time and can lead to organ failure or brain damage

Question 6

what is the difference between anorexia and bulimia?

Answer 6

bulimia is when someone eats unusally large amouts of food while anorexia is when someone restricts food as a means to loose weight

Question 7

What is a fad diet?

Answer 7

a fad diet is a diet that promotes dramatic results

Question 8

what is a lipid?

Answer 8

fatty compound that preforms a number of things for your body

Question 9

whats the difference between saturated fats and unsaturated fats?

Answer 9

Saturated fatty acids lack double bonds between the individual carbon atoms, while in unsaturated fatty acids there is at least one double bond in the fatty acid chain.

Question 10

what is the difference between non esential and esential nutreients?

Answer 10

Essential nutrients cannot be synthesized by the human body, so they must be consumed in food. Nonessential nutrients can be synthesized by the human body, so they need not be obtained directly from food.

Question 11

what type of foods should make up a healthy diet according to the canadian food guide?

Answer 11

veggies and fruit, whole grains and protines

Question 12

what does a typical plate look like according to the canadian food guide?

Answer 12

one quarter should be protines, another quarter should be whole grains and the last half should be veggies and fruit. water should be your drink of choice

Question 13

what is a glycemic index?

Answer 13

the potential of a carbohydrate to raise your blood sugar levels

Question 14

what is insulin?

Answer 14

insulin removes sugars from your blood stream and stores it as glycogen in the liver and muscles

Question 15

what is glucagon?

Answer 15

causes stored carbohydrates to be released in the blood stream

Question 16

What is hyperglycemia?

Answer 16

excess of glucose in the blood stream

Question 17

what is hypoglycemic?

Answer 17

deficiency of glucose in the blood stream

Question 18

how do insulin and glucagon work together to regulate blood sugar levels?

Answer 18

Insulin reduces the body’s blood sugar levels and provides cells with glucose for energy by helping cells absorb glucose.

Question 19

what is the difference between how your body uses sugars and starch?

Answer 19

Sugar is already in the form needed by the body for metabolism, so it doesn’t need to be digested – it only needs to be absorbed. On the other hand, starch does require digestion, as it must be broken down into sugar in order to be absorbed

Question 20

what foods contain sugars?

Answer 20

sweets, cakes, biscuits, chocolate, and some fizzy drinks and juice drinks

Question 21

what foods contain starch?

Answer 21

bread, cereal, and pasta

Question 22

what is malnutrition?

Answer 22

the condition that develops when the body is deprived of vitamins, minerals and other nutrients it needs to maintain healthy tissues and organ function.

Question 23

what is a balanced diet?

Answer 23

eating a wide variety of foods in the right proportions, and consuming the right amount of food and drink to achieve and maintain a healthy body weight

Question 24

what is high density lipoprotine?

Answer 24

“good cholesterol”
helps remove other forms of cholesteral from the blood stream lessoning the risk of heart attack and stroke

Question 25

what is low density lipoprotine?

Answer 25

"bad cholesterol" contributes to fatty build up in arteries and increases risk of heart attack and stroke

Question 26

how are protines used in your body?

Answer 26

protines are critical components in all tissues of the human body

Question 27

what are symptoms of kwashiorkor and marasmus?

Answer 27

Marasmus has a wasted and shriveled appearance, while kwashiorkor is known for causing edema — swelling with fluid, especially in the belly and the face.

Question 28

how do you caculate the amount of protine in your diet?

Answer 28

0.8 grams of protein per kilogram of body weight per day. 2 One kilogram equals 2.2 pounds, so a person who weighs 165 pounds, or 75 kg, would need about 60 grams of protein per day

Question 29

how might meat based diets contribute to global warming?

Answer 29

Animal-based foods, especially red meat, dairy, and farmed shrimp, are generally associated with the highest greenhouse gas emissions.

Question 30

how is the energy in food reported on a food label?

Answer 30

In nutrition, energy is measured using "calories".

Question 31

how is the energy in food reported experimentally

Answer 31

You can determine energy content of food by burning a portion of it and capturing the heat released to a known amount of water.

Question 32

How is BMI caculated for a human?

Answer 32

dividing an adult's weight in kilograms by their height in metres squared