Rachel is a mom to a 1st grader.  She has been helping her son Daniel with math for the past hour.  She again asks him for the 100th time what is 3 + 2.  Once again Daniel answers 4.  All Rachel can do is drop her head and look down at her feet in frustration.  Which muscle did she use to flex her head?

If a response reverses the original stimulus which initiates a physiological response, the system is classified as a _____________ feedback system.

What contains sensory neuron axons and conducts impulses from the peripheral receptors into the spinal cord?

The proximal end of the femur articulates with the

Autonomic motor neurons release acetylcholine as well as epinephrine/norepinephrine.

Inflammation of the mucous membrane lining of the sinuses due to an allergic reaction, bacterial infection, or viral infection is referred to as ________.

Sympatholytic drugs are also termed antagonists.

A possible side effect of a drug used to open the airways of someone suffering from an asthma attack is:  Choose all that apply.  

The soma for most of the upper motor neuron of the motor pathway lies in the

What is the lateral bone of the leg?