Lipolysis and gluconeogenesis are stimulated when ________.
A. insulin is decreasing and glucagon is increasing
B. insulin is increasing and glucagon is decreasing
C. insulin and glucagon are both decreasing
D. insulin and glucagon are both increasing
Answer: A
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Your muscle cells are able to express a different complement of proteins from your brain cells because
a. they contain different genes. b. muscles and brains are the vestiges of different symbiotic organisms present in our ancestors. c. you inherit the genes for your muscles from your father and the genes for your brain from your mother. d. the expression of muscle-specific genes is regulated by transcription factors not present in brain cells and vice versa.
Damage to the ________ will cause a lack of motivation and sexual desire as well as deficient cognitive functions.
A. medial temporal lobe B. hypothalamus C. lateral prefrontal area D. amygdaloid body
What determines lung compliance?
A. Lung compliance depends on the muscular forces of the respiratory muscles and on the reduced surface tension of mucus lining the alveoli. B. Lung compliance depends on the high elasticity of the lungs and on the reduced surface tension of surfactant lining the alveoli. C. Lung compliance depends on the elastic recoil of the chest wall and on the flexibility of the alveoli. D. Lung compliance depends on the elasticity of the lungs and on the surface tension of surfactant lining the alveoli.
Which of the following is inhibited by testosterone?
A) Development of secondary sex characteristics B) Libido C) Sperm production D) Gonadotropin-releasing hormone (GnRH) secretion E) Development of secondary sex organs