What ions do NOT cross the blood-brain barrier?
a. H+ and Ca2+
b. H+ and HCO3-
c. HCO3- and Cl-
d. Na+ and Cl-
e. Na+ and Ca2+
b
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A collection of abnormal cells is called a ________
A) tumor B) mole C) cyst D) wart
Which of the following is not a function of chromium?
a. It enhances the activity of insulin. b. It is involved in carbohydrate metabolism. c. It is involved in protein metabolism. d. It is involved in fat metabolism. e. It helps maintain glucose homeostasis.
Line A shows the glycemic response after eating potatoes. Which of the following foods is most likely to cause a glycemic response similar to that shown in line A?
a) Dinner roll b) Peanut butter c) Egg d) Cheddar cheese
An increased utilization of the aerobic energy system results in a(n) ____
A) decrease in the amount of oxygen consumed and the amount of carbon dioxide produced. B) increase in the amount of oxygen consumed and the amount of carbon dioxide produced. C) decrease in the amount of oxygen consumed and an increase in the amount of carbon dioxide produced. D) increase in the amount of oxygen consumed and a decrease in the amount of carbon dioxide produced.