What is the normal value for oxygen saturation in the blood?
a. 95% or higher
b. between 94-96%
c. 97% or higher
d. between 97-99%
e. 99.1% or higher
a
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List five methods of sustainable agriculture affecting soil, fertilizer, livestock, herbicides, pesticides, water, and/or energy.
What will be an ideal response?
Which of the following is not a reason for turkey eggs being typically more expensive than chicken eggs?
A. Chickens generally lay an egg a day, while turkeys lay 1 egg every 3 days. B. Turkeys are 10 weeks older than chickens when they can begin laying eggs. C. Chickens weigh less and eat less than turkeys. D. Chicken eggs last longer and are heartier than turkey eggs so they can stay on a shelf longer.
Which of the following is a feature of the lipoprotein lipase enzyme?
a. Its activity decreases after weight loss but then rebounds quickly after resuming normal food intake b. Its activity can always increase but cannot decrease and is, in part, controlled by the ratchet effect of metabolism c. Its activities in men and women are sex-related and explain the differences in major fat storage regions of the body d. Its low activity in obese people explains, in part, the inability to mobilize storage fat for energy when following an energy-restricted diet
Which minerals help make hemoglobin in red blood cells?
a. Iron and zinc b. Selenium and phosphorus c. Chromium and magnesium d. Sulfur and iodine e. Phosphorus and chromium