The skull contains ________ bones

A) 32
B) 22
C) 42
D) 12
E) 27


B

Anatomy & Physiology

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Bundles of nerve fibers (neuron processes) running through the CNS are called ________, whereas in the PNS they are called ________.

Fill in the blanks with correct words.

Anatomy & Physiology

When blood calcium levels rise above normal, osteoclast activity is inhibited by the hormone ___.

Anatomy & Physiology

Which of the following makes it possible for even a small quantity of hormone to have a strong effect on its target cell?

A) The antagonistic effect B) Enzyme amplification C) Up-regulation D) Down-regulation E) Negative feedback inhibition

Anatomy & Physiology

Which of the following is not a function of astrocytes?

A) They create a three dimensional framework for the CNS. B) They maintain the blood-brain barrier. C) They guide neuron development. D) They rebuild injured neurons. E) They adjust the composition of the interstitial tissue.

Anatomy & Physiology