Reflexes are described as
A. slow and spontaneous.
B. pre-programmed and voluntary.
C. spontaneous and self-initiating.
D. rapid and involuntary.
Answer: D
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A. a layer of cartilage or dense connective tissue B. a layer of dense connective tissue or reticular tissue C. an articular capsule D. a layer of cartilage or reticular tissue
Which of the following branches of a spinal nerve has the somas of only sensory neurons?
A) Posterior (dorsal) root B) Anterior (ventral) root C) Anterior ramus D) Posterior ramus E) Meningeal branch
Bone plays a central role in the regulation of blood levels of
A) potassium. B) iron. C) sulfate. D) calcium. E) sodium.
What happens to the diffusion rate as the distance increases?
a. speeds up b. no change c. requires more energy d. triggers the membrane to change e. becomes slower