Which of the following structures is labeled D in the diagram?
a) Lumbar enlargement
b) Cervical enlargement
c) Conus medullaris
d) Cauda equina
e) Obturator nerve
a
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Briefly differentiate between atmospheric pressure, intrapulmonary pressure, and intrapleural pressure
Which of these is always negative in a healthy individual during normal breathing? What happens if intrapleural pressure becomes equal to atmospheric pressure? What will be an ideal response
Cells are bathed by fluid that is similar to plasma but is outside the blood vessels. This fluid is:
A) blood B) lymph C) intersitial fluid (extracellular fluid or ECF) D) none of these
What is the large C-shaped mass of white matter that consists of nerve fibers that connect the two cerebral hemispheres?
A. corpus callosum B. infundibulum C. intermediate mass D. vermis E. gyrus
The ________ is the opaque, tough part of the eye that protects more delicate structures inside.
A. lens B. choroid C. cornea D. sclera