Which of the following does NOT describe the highest hierarchical level of motor control?
A. It creates a "motor program" that uses afferent information to generate a pattern of neural activity required to carry out a given action.
B. It involves brain regions that include the sensorimotor and cortical association areas.
C. It sends signals along "command neurons" to parts of the brain that make up the middle level of the motor control hierarchy.
D. It involves brain regions that function in memory, emotions, and motivation.
E. It initiates consciously planned movements.
A
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a. normally maintained relatively constant around 100?F b. the temperature of the abdominal and thoracic organs, the central nervous system, and the skeletal muscles c. the temperature of the skin and subcutaneous fat d. both a and b e. both a and c
If a person was suffering from severe hyperkalemia, you would expect
A) The potassium ion concentration of the interstitial fluid to be less than normal. B) The membrane potential of nerves and muscles to be more negative. C) Skeletal muscles to be unresponsive and the heart muscle would undergo cardiac arrest. D) Muscle weakness and increased strength of twitch contractions. E) both A and D
Blood in the pulmonary veins is ________
A) oxygenated B) entering the heart and going to the lungs C) leaving the heart to go to the systemic circuit D) deoxygenated
Infarction is defined as ________.
A. programmed cell death B. sudden tissue death resulting from the loss of blood supply C. premature death of tissue D. sudden blood loss