Only about ________ percent of sensory information reaches the cerebral cortex and our awareness
A) 1
B) 10
C) 25
D) 50
E) 95
Answer: A
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Which cellular organelle is considered the powerhouse of the cell?
A) nucleus B) Golgi apparatus C) ribosome D) endoplasmic reticulum E) mitochondria
The glial cell that helps to circulate cerebrospinal fluid is the
A. ependymal cell. B. oligodendrocyte. C. neurolemmocyte. D. astrocyte. E. microglial cell.
Aldosterone from the adrenal cortex causes sodium ions to be
A) conserved and potassium ions to be conserved. B) excreted and potassium ions to be excreted. C) conserved and potassium ions to be excreted. D) excreted and potassium ions to be conserved.
Parasympathetic stimulation of the heart increases cardiac reserve by allowing more time for the heart to relax between contractions
Indicate whether the statement is true or false