John Flashback was running downfield with the football. As he tried to avoid a tackle, he stepped in a hole and his foot was twisted under him with great force. The X-ray shows a "broken ankle". The structure that is most likely broken is the
A. calcaneus bone.
B. the patella.
C. a bone in the second metatarsal.
D.
the lateral malleolus.
E.
the medial cuneiform.
D
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Which statement is correct concerning the terms afferent and efferent with respect to the nervous system?
A. Both terms refer to conducting impulses toward the CNS although afferent pathways carry only motor impulses. B. Afferent refers to the conduction of sensory impulses toward the CNS. C. Afferent refers to the conduction of an impulse outward from the CNS. D. Both terms refer to conducting impulses outward from the CNS although efferent pathways carry only sensory impulses. E. Efferent refers to the conduction of motor impulses toward the CNS.
The most superior portion of the stomach is the ________.
A. body B. fundic region C. pyloric region D. cardiac region
DNA is a polymer of ________, which consist of a sugar, a phosphate group, and a ________
A) proteins; nucleotide B) amino acids; nucleotide C) nucleotides; nucleic acid D) nucleic acids; nucleotide E) nucleotides; nitrogenous base
Most teleost fish excrete ammonia. Explain why the Magadi tilapia, a fish living in highly basic water, excretes urea
What will be an ideal response?