Describe a lumbar puncture and explain its purpose.
What will be an ideal response?
A lumbar puncture, also called a spinal tap, samples the cerebrospinal fluid from the subarachnoid space at the lower end of the spinal cord. This procedure is performed to sample the chemical environment of the brain and test for infection. An infection is indicated by proteins or blood cells found in the sample.
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Enterogastrone will ________ gastric function.
A. have no effect on B. stimulate C. inhibit
The proximal convoluted tubule reabsorbs approximately 65% of water and ions that enter it.
Answer the following statement true (T) or false (F)
This figure shows a cross section of a vertebra and the spinal cord. What structure does number 1 indicate?
A. Epidural space B. Subarachnoid space C. Dura mater D. Pia mater E. Central canal
What gas is also carried by a beta-globin that may help regulate blood pressure?
A. carbon monoxide B. carbon dioxide C. nitrogen D. nitric oxide