Soil testing in a non-uniform field should be by the _____ method
A. Grid
B. Whole Field
C. Probe
D. Rectangular
Ans: A. Grid
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Dual energy x-ray absorptiometry ( DXA ) is the only method to measure the health of bone
tissue. Indicate whether the statement is true or false
Which of the following is a feature of taking high-dose supplements of vitamin A?
a. They increase teratogenic risk b. They are effective in treating acne c. They lead to keratinization of tissue d. They reduce risk for neural tube defects
What is the sodium-potassium pump?
a. A cell membrane protein that uses energy to pump sodium into the cell b. A cell membrane protein that uses energy to pump sodium out of the cell c. A mechanism present throughout interstitial fluid for draining sodium from the circulation d. A mechanism present in the kidneys that exchanges sodium with lactic acid in order to regulate organic acid concentration e. A mechanism present in the stomach and small intestine wall that facilitates the absorption of minerals.
Which food is highest in fiber?
a. cooked dried beans b. a tomato c. wheat bread d. lettuce