Intracellular fluid volume is normally what percent of body weight?
A. 60%
B. 40%
C. 20%
D. 10%
E. 5%
ANS: B
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Sound waves are converted into mechanical movements by the
A) auditory ossicles. B) cochlea. C) oval window. D) round window. E) tympanic membrane.
The division of the nervous system that carries signals from receptors in the skin, muscles, bones, and joints to the CNS is the __________ sensory system.
Fill in the blank(s) with the appropriate word(s).
Parasympathetic preganglionic fibers arise from the ____
a. cranial and cervical areas of the CNS b. cranial and thoracic areas of the PNS c. cranial and sacral areas of the CNS d. thoracic and sacral areas of the PNS e. thoracic and lumbar areas of the CNS
ATPase is found in
A. F-actin strands. B. G-actin globular units. C. myosin heads. D. tropomyosin grooves. E. troponin molecules.