Mice that lack orexin have difficulty:
a. breathing at night.
b. maintaining wakefulness.
c. sleeping.
d. waking up.
Answer: b. maintaining wakefulness.
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The toxin that causes botulism
A. promotes release of acetylcholine. B. prevents decomposition of acetylcholine. C. decomposes acetylcholine. D. prevents release of acetylcholine.
The term essential nutrient refers to the chemicals that can be interconverted in the liver so that the body can maintain life and good health
Indicate whether the statement is true or false
Inflammation at the attachment of the extensor carpi muscles on the lateral epicondyle of the humerus due to activity that requires rotation of the forearm and firm grip of hand is known as ________ elbow.
Fill in the blank(s) with the appropriate word(s).
The cerebrospinal fluid is formed in the ________.
A. lateral, the 3rd, and the 4th ventricles B. lateral ventricles only C. cerebral aqueduct D. subarachnoid space