What is the line of pull in a muscular contraction and how does it change during joint motion?
What will be an ideal response?
The line of pull is the direction that a muscular force places on a joint. As a muscle contracts, its line of pull changes as the joint bends and the angle of pull changes.
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Horizontal rotation of the head to the right will elicit
a. Excitation of the right otolith organs, inhibition of the left otolith organs b. Excitation of the left otolith organs, inhibition of the right otolith organs c. Excitation of the right horizontal semicircular canal, inhibition of the left semicircular canal d. Excitation of the left semicircular canal, inhibition of the right horizontal semicircular canal
Nonrestorable heat detectors should be tested during field inspections
A. True B. False
The claw tool, a forerunner to the Halligan tool, was the mainstay of forcible entry operations for the previous generation of firefighters.
Answer the following statement true (T) or false (F)
The largest division of the brain is the:
A. cerebellum. B. cerebrum. C. diencephalon. D. brainstem.