Exam III Questions Flashcards
What is homeostasis?
List two things the body does to raise blood glucose when blood glucose levels drop.
What is the hormone that makes an individual feel full and satisfied?
Where is leptin secreted in the body?
Adipose tissue
As the exercise intensity increases what substrate is predominately used?
Carbohydrates
(Before a high-intensity work-out, individuals will often carb load to ensure they’re working to their full potential.)
At rest, what substrate is primarily being used in normal individuals?
Fat
In order to be in full ketosis, an individual must eat how many grams of carbs?
They individual must eat 50 g of carbs for 2 weeks.
(There cannot be any cheat days)
What is the function of water in the body?
- Cools the body off
- Assists in the removal of waste products
- Is the basis of many body fluids
- Huge component of plasma volume
In order to be considered a vitamin, what are the characteristics?
Prolonged absence of the nutrient produces deficiency symptoms
(true/false)
Vitamins such as B2 & B3 give us energy indirectly by the formation of NADH and FADH2
True.
Which of the following is a good source of vitamin C?
Tomato juice
Chronically low intake of vitamin C can result in?
Scurvy
Which of the following is a good source of vitamin D?
Sunlight
Which of the following is a function of vitamin D?
Helps keep strong bones
Which of the following is the function of vitamin A?
Helps with vision
Which of the following is a good source of vitamin A?
Beef
Which of the following is a good source of vitamin E?
Olive oil
Which of the following is the function of vitamin K?
Helps with blood clotting
Which of the following is a function of Na?
Maintenance of fluid balance
Which of the following is a source of potassium in the diet?
Potatoes & bananas
Which of the following is a source of calcium in the diet?
Yogurt
Which of the following is a source of zinc in the diet?
Steak
Zinc does a lot in the body. Below list of the various functions of Zinc and their importance to the body (1st = most important- 4th = least). If Sandi’s zinc levels start dropping because her zinc intake is lower which of these processes would be impaired first?
Cell replication (1st)
Gene expression (2nd)
Fertility & Reproduction (3rd)
Immune response (4th)
4th- Immune response
What is a source of heme iron?
Steak
What is a source of non-heme iron?
Spinach
What is the hormone essential for iron homeostasis?
Hepcidin
Which of the following would enhance iron absorption
Orange juice
What mineral would inhibit iron absorption?
Zinc
What is the largest component of energy expenditure?
Resting energy expenditure
