Standard Metabolic Rate (SMR)and Basal Metabolic Rate (BMR)are

Question

Standard metabolic rate (SMR)and basal metabolic rate (BMR)are
A)used differently: SMR is measured during exercise, whereas BMR is measured at rest.
B)used to compare metabolic rate between hibernating and nonhibernating states.
C)both measured across a wide range of temperatures for a given species.
D)both standard measurements of fat metabolism in mammals.
E)both measured in animals in a resting and fasting state.

Accepted Answer

Both SMR and BMR are measured in animals in a resting and fasting state. SMR is a measurement of the metabolic rate during the postabsorptive state, while BMR is a measurement of the metabolic rate during the fasted state. Both SMR and BMR are used to estimate the amount of energy an animal needs to survive and perform basic functions. They are not used to compare metabolic rate during exercise or between hibernating and nonhibernating states. They are also not standard measurements of fat metabolism in mammals. Finally, while temperature can affect metabolic rate, SMR and BMR are not necessarily measured across a wide range of temperatures for a given species.