The interrelationships between the endocrine and the nervous systems are especially apparent in question 5 options: a. a steroid-producing cell in the adrenal cortex. b. a digestive enzyme-producing cell in the pancreas. c. a neurosecretory cell in the hypothalamus. d. a brain cell in the cerebral cortex. e. a neuron in the spinal cord.

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.