A needle used in a spinal tap must be inserted until its tip is in the
A) epidural space.
B) arachnoid mater.
C) peridural space.
D) subdural space.
E) subarachnoid space.
E) subarachnoid space.
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When ice skating at Rockefeller Center, a young skater got thoroughly chilled. Which of his body's reaction to the cold gave him "goose pimples"?
A. Faster subcutaneous blood flow B. Dehydration of his skin surface by cold C. His skin hairs pulling his skin muscles together D. Contraction of erector muscles in his skin
Slow-wave sleep occurs in three stages, each displaying progressively slower EEG waves of higher frequency
a. True b. False Indicate whether the statement is true or false
Which of the following correctly traces blood flow from the renal cortex to the renal vein?
A. Interlobular v. ? interlobar v. ? segmental v. ? renal v. B. Interlobar v. ? interlobular v. ? arcuate v. ? renal v. C. Segmental v. ? arcuate v. ? interlobar v. ? renal v. D. Interlobular v. ? arcuate v. ? interlobar v. ? renal v. E. Arcuate v. ? interlobar v. ? segmental v. ? renal v.
Which of the following is NOT a primary odor class?
A. umami B. floral C. putrid D. pepperminty E. ethereal