Second messengers generated by the actions of phospholipase C ________.

A. are inhibited by the actions of caffeine
B. are stimulated by phosphodiesterases
C. stimulate gene transcription
D. may activate calmodulin


Answer: D

Anatomy & Physiology

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Of the four classes of tissues, the tissue that consists of elongated fibers that are specialized to contract in response to stimulation is ______

A. connective tissue B. nervous tissue C. muscle tissue D. epithelial tissue

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Which reflex shows the least synaptic delay?

A) A polysynaptic reflex B) The tendon reflex C) The withdrawal reflex D) The cross extension reflex E) The flexor reflex

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The lumbar regions are located lateral to the umbilical region.

Answer the following statement true (T) or false (F)

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The thoracic cavity contains the

A) coelom. B) pericardial cavity. C) pelvic cavity. D) pleural cavities. E) pericardial and pleural cavities.

Anatomy & Physiology