During motion sickness, the brain receives conflicting signals regarding one's placement in space. Which of the following structures is least likely to be involved in motion sickness?
-semicircular canals
-vestibulocochlear nerve
-cochlear duct
-sacule and utricle
cochlear duct
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Which vessel in the diagram is the afferent arteriole?
a) C b) D c) E d) F e) L
Parasympathetic innervation influences the heart rate, but generally tends to have no direct effect on the force of contractions
Indicate whether this statement is true or false.
A lack of ATP in a contracted skeletal muscle cell would most likely cause
a. cross bridges to detach from actin b. the sarcomeres to remain shortened c. an inability to relax d. both a and c e. both b and c
The sacrotuberous ligament:
A) passes through the greater sciatic notch. B) attaches to the ala of the sacrum. C) resists posterosuperior rotation of the sacrum (inferior aspect moving posteriorly and superiorly). D) passes through the obturator foramen. E) prevents posterior dislocation of the femoral head.