Practice Exams - 3 Flashcards
During anaerobic activity, which of the following is true?
1) Oxygen is required for glycolysis.
2) Fat is used as fuel.
3) Blood glucose is taken up by muscle and stored as glycogen.
* *4) Glucose is not oxidized completely, leading to lower pH of muscle.**
Nutritional recommendations for exercise include
low CHO, low fat, high protein
2) low CHO, high fat, high protein
* * 3) high CHO, low fat, adequate protein**
4) high CHO, no fat, adequate protein
Vitamins that can be obtained from the diet in both the active form and in a precursor form include
vitamin A and vitamin B3
Alternate name for vitamins B1, B2, and B3 are (in order)
thiamin, riboflavin, and niacin
The B vitamins generally function
3) as coenzymes in the release of energy from food.
Pregnant women need to avoid excessive amounts of which vitamin due to its teratogenic effects on the fetus?
vitamin A
Which of the follwoing is NOT a characteristic of fat soluble vitamins?
They are readily excreted through the kidneys.
The vitamins most important to normal bone metabolism and bone strength are
vitamins D, A, and K
The vitamin that requires intrinsic factor to be absorbed is
cobalamin
The two vitamins that hhave Estimated Safe and Adequate Dailly Dietary Intake (ESADDI) ranges and NOT RDAs are
pantothenic acid and biotin
Vitamin B6 can cause a type of anemia because it is necessary for
synthesis of hemoglobin
Which statement about vitamin C is true?
It should be avoided in supplements of >1000 mg. per day.
Good food sources of folic acid include
leafy greens, orange juice, and beans.
The vitamins that function as antioxidants are
vitamins C and E
Which statement about beta-carotene is true?
It is a precursor to the active form of vitamin A but does not build up to toxic levels in the body.
Which of the following is (are) advised in treatment of essential hypertension?
decrease sodium intake
What type of food might worsen high blood pressure?
processed entrees
Which of the following are roles for the mineral calcium?
- Bone/teeth structure
- Transmit nerve messages
- Component of DNA
- Blood Clotting
- Component of hormones
- Fluid balance of body
1, 2, 4
Which menu below is most notably LOW in the stated mineral?
iron: toasted cheese sandwich on unenriched bread, banana, carrot/celery sticks, tea
Which of the following would improve iron absorption from plant foods?
including vitamin C-rich food in a meal
“Hitting the wall” or “bonking” occurs when the body runs out of
glycogen
Which is NOT a nutrition-related benefit of exercise?
decreases need for vitamins and minerals, particularly anti-oxidants
Which is NOT a characteristic of aerobic exercise?
lowered metabolic rate
Which is NOT a source of glucose for muscle fuel?
adipose