Color vision is a function of cone cells within the retina. 

Which nervous system structure does the adrenal medulla receive stimulation from? 

What branch of the nervous system does the term “craniosacral outflow” describe? 

How much REM sleep does an adult experience during a normal, 7 to 8 hour sleep cycle? 

Which nerve pathway is illustrated in this image from the McGraw Hill textbook? 

You decide to go skiing in 5° F weather and forget a scarf or gloves. While zooming down a hill your hands and face are painful. What causes this sensation of pain? 

Identify the structure labeled A:  _______ Identify the structure labeled B:  _______ Identify the gland labeled C:  _______ Identify the tissue labeled D:  _______ Identify the structure labeled E:  _______ Identify the structure labeled F:  _______ Identify the specific part of the tube labeled G:  _______

Which sympathetic pathway is illustrated in this image from the McGraw Hill textbook? 

Match the neuron to the location in the sensory pathway. 

Adrenergic neurons produce which neurotransmitter?