What is the effect of intense sympathetic stimulation on the GFR?
A. GFR increases, then decreases
B. GFR increases
C. GFR decreases
D. GFR is not affected
Answer: C
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Which is a FALSE statement about the cerebrospinal fluid?
A. It has the same composition as blood plasma. B. It circulates within and between brain ventricles and surrounds the spinal cord. C. It is secreted by cells lining the ventricles of the brain. D. It is in diffusion equilibrium with the extracellular fluid of the central nervous system. E. It acts as a cushion for the brain and spinal cord.
During aging of the integumentary system, sweat production increases as a result of improved sweat gland activity
Indicate whether this statement is true or false.
Botulinum toxin exerts its lethal blow by blocking the release of what chemical compound?
a. calcium b. serotonin c. ACh d. potassium e. dopamine
What part of the midbrain carries sensory tracts from the spinal cord?
A. tectum B. cerebral peduncles C. tegmentum D. red nucleus