When is the basal metabolic rate (BMR) best obtained?
a. After 10 hr of fasting
b. While walking on a treadmill
c. On rising in the morning
d. 1 hr after lunch
ANS: A
Obtained after 10 hr of fasting, the BMR measures the number of calories (kcal) expended at rest per square meter of body surface per hour (kcal/m2/hr).
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The Henderson-Hasselbalch equation is written as follows: pH = pKa + log For what practical purpose is this equation used in the laboratory setting?
A) Calculating the optimum pH at which an enzymatic reaction occurs B) Comparing the strength of an acid against a base C) Determining the pH of a physiological reaction D) Preparing a buffer at a specific pH
Predict the results of erythropoietin in a patient with hypoxia
a. It will be increased. b. It will be normal. c. It will be decreased. d. This cannot be determined.