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The set of neural fibres that connect the two hemispheres is known as:
A. the thalamus.
B. the cerebral cortex.
C. the corpus callosum.
D. the cerebrum.
Select your answer:
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Cell Structure and Functions › ViewA wilted flower placed in a vase of water for several hours became stiff and stood erect. When it was placed in a salt solution, it wilted. From this information we can say that the cells of the flower are:
A. hypotonic to both fresh water and the salt solution
B. hypertonic to both the fresh water and the salt solution
C. hypertonic to fresh water but hypotonic to the salt solution
D. hypotonic to fresh water but hypertonic to the salt solution
Oxygenation › View
As a nurse you should be well knowledgeable of the physiology of oxygenation. Which of the following gasses helps keep the alveoli open?
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen