Most of the T cells generated during a primary immune response die by means of apoptosis a few weeks after the infection responsible for their production clears
Indicate whether the statement is true or false
T
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The olfactory nerves may be damaged if the __________ bone is fractured.
A. frontal B. ethmoid C. sphenoid D. temporal E. occipital
Lengthwise, long bone growth during infancy and youth is exclusively through ________.
A) interstitial growth of the epiphyseal plates B) the secretion of bone matrix into the medullary cavity C) differentiation of osteoclasts D) calcification of the matrix
If the neural connections between the pons and medulla are severed, breathing will stop.
A) True B) False
The pia mater is connected to the dura mater to anchor the spinal cord in place at paired structures called
A) the conus medullaris. B) coccygeal ligaments. C) the filum terminale. D) denticulate ligaments. E) None of the answers are correct.