What is the thin strand of pia mater that helps to anchor the spinal cord to the coccyx?
A. Conus medullaris
B. Cervical enlargement
C. Terminus coccyx
D. Filum terminale
E. Coccygeal tendon
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Question 2) In adults, the spinal cord is not the same length as the vertebral canal, and most of the lumbar part of the spinal cord is within
A. the coccyx.
B. the sacrum.
C. the cervical vertebrae.
D. the thoracic vertebrae.
E. the cauda equina.
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Question 3) What is the correct order for the parts of the spinal cord, from superior to inferior?
A. Cervical - thoracic - sacral - coccygeal - lumbar
B. Cervical - thoracic - lumbar - sacral - coccygeal
C. Thoracic - lumbar - sacral - cervical - coccygeal
D. Thoracic - cervical - lumbar - coccygeal - sacral
E. Thoracic - lumbar - sacral - coccygeal - cervical
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Question 4) Which of the following is false regarding sleep?
A. The longest bouts of REM sleep occur early in the night, with shorter REM periods toward the morning.
B. During REM sleep, the brain uses as much oxygen as when the individual is awake.
C. Different stages of non-REM sleep are characterized by different brain waves.
D. REM sleep is important for memory processing and consolidation.
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Question 5) A typical spinal cord in an adult is
A. 24-26 inches long.
B. 12-14 inches long.
C. 8-10 inches long.
D. 16-18 inches long.
E. 20-24 inches long.
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Question 6) An electroencephalogram measures
A. electrical activity in the brain.
B. blood flow in the brain.
C. the use of glucose in the brain.
D. the production of CSF in the brain.
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Question 7) The prefrontal cortex changes very little after age 10. Therefore, in its structure and maturity this brain region in a teenager is similar to that of an adult.
Indicate whether this statement is true or false.
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Question 8) Non-REM sleep
A. comprises most of our sleep time.
B. is characterized by movements of the eyes.
C. is where we have our most memorable dreams.
D. is a time when the brain is very active.
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Question 9) Alpha and beta waves are typically seen in an awake, alert adult, and indicate a brain functioning normally.
Indicate whether this statement is true or false.
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Question 10) Brain activity is decreased during sleep. In fact, the brainstem typically shows no activity at all.
Indicate whether this statement is true or false.
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