Which of the following explains why block ice lasts longer in a picnic cooler than the same volume of ice cubes?
A. Block ice has the same volume but less surface area than ice cubes so melts more slowly.
B. Block ice has the same surface area but less volume than ice cubes so melts more quickly.
C. Block ice has the same volume but less surface area than ice cubes so melts more quickly.
D. Block ice has the same surface area but less volume than ice cubes so melts more slowly.
Answer: A
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Which of the following is not true of the anatomy of the stomach?
A. The muscularis contains three layers, whereas most tubular digestive organs contain two. B. The pyloric sphincter regulates the flow of chyme from the stomach into the duodenum. C. The cardia is the region that lies superior to the opening of the esophagus into the stomach. D. The greater curvature is on the lateral and inferior surfaces of the stomach. E. All of these are true of the stomach.
What are the three cranial nerves that carry taste sensations to the brain?
A) facial, glossopharyngeal, vagus B) hypoglossal, glossopharyngeal, facial C) abducens, trochlear, oculomotor D) hypoglossal, vagus, trigeminal
What type of circuit is used to maintain body posture while walking?
A. Reverberating B. Converging C. Diverging D. Parallel-after-discharge E. None of the choices is correct.
The connective tissue wrappings of a nerve, beginning at the outermost layer, are
A. epineurium ? endoneurium? perineurium. B. epineurium ? perineurium? endoneurium. C. perineurium ? epineurium? endoneurium. D. endoneurium ? perineurium? epineurium. E. perineurium ? endoneurium? epineurium.