A patient is taking a beta3 adrenergic receptor antagonist. Which would you expect to decrease? Nonshivering...
A patient is taking a beta3 adrenergic receptor antagonist. Which would you expect to decrease?
| Nonshivering thermogenesis |
| Sweat |
| Decreased vasodilation |
| Shivering thermogenesis |
Homework Answers
Answer:
A) Non-shivering thermogenesis
Explanation: Nonshivering thermogenesis is an increase in metabolic heat production (above the basal metabolism) that is not associated with muscle activity.
- It occurs mainly through metabolism in brown fat and to a lesser degree also in skeletal muscle, liver, brain, and white fat.
β3 receptors are present in the gallbladder, urinary bladder, and in brown adipose tissue.
- Their role in gallbladder physiology is unknown, but they are thought to play a role in lipolysis and thermogenesis in brown fat.
- In the urinary bladder, it causes relaxation of the bladder and prevention of urination.
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