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A strain affects a muscle or a ligament, as opposed to a sprain which affects a tendon.

What carries impulses for most somatic sensations from the face, nasal cavity, oral cavity, and teeth? 

Platelets, which have negatively-charged cell membranes, adhere to the positively charged surface of a torn blood vessel.  As they do so, they release substances which attract more platelets to the damaged area and change the charge on their cell membranes to positive.  More platelets adhere to the damaged area.  The cycle repeats until the damaged area is sealed.

What is a sesamoid bone that articulates with both the femur and tibia?

The part of a spinal nerve that contains only efferent fibers is the

An activity that would require anaerobic endurance is (choose all that apply):

Which bones are connected by the sagittal suture?

Which of the following drugs increases synaptic conduction in turn increasing muscular activity

A homeowner was trying to push a 7.5 cm nail into a board with only 3 strikes of the hammer.  The 3rd strike missed the nail and hit his hand proximal to the knuckle under his index finger.  An x-ray reveals that he broke the bone there.  Which metacarpal did the hammer break?

Which of the following are types of cholinergic receptors?