Select which steps are part of the voluntary movement process
Initiation begins in the brainstem.
Initiation begins in the primary motor area of the cerebral cortex.
Lower motor neurons receive messages from upper motor neurons.
Smooth muscle in the skin is stimulated to contract.
The cerebellum and basal nuclei coordinate the information for these movements.
Upper motor neurons receive information from lower motor neurons.
_____
Initiation begins in the brainstem.
__X__
Initiation begins in the primary motor area of the cerebral cortex.
__X__
Lower motor neurons receive messages from upper motor neurons.
_____
Smooth muscle in the skin is stimulated to contract.
__X__
The cerebellum and basal nuclei coordinate the information for these movements.
_____
Upper motor neurons receive information from lower motor neurons.
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In spastic paralysis
A) muscle tone decreases and the muscles do not atrophy. B) muscle tone decreases and the muscles atrophy. C) muscle tone increases and the muscles do not atrophy. D) muscle tone increases and the muscles atrophy.
Which of the following is not a component of saliva?
a. amylase. b. mucus. c. pepsin. d. lysosome. e. water.
The HIV virus infects
A. B cells. B. cytotoxic T cells. C. suppressor T cells. D. helper T cells. E. monocytes.
When DNA is distributed diffusely throughout the nucleus, it is called ________. When it is organized into condensed structures, those are called ________.
A. chromatid; chromosomes B. chromosomal; chromatins C. chromatin; chromosomes D. nucleolus; centrioles E. genetic; chromatins