Acetylcholine binds to both muscarinic and nicotinic receptors.
Answer the following statement true (T) or false (F)
True
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Which of these is one reason you can distinguish between a needle prick on the foot and an ice cube on the wrist?
A. The action potentials from the needle prick are inherently different from the impulse generated by the ice cube. B. The region of the brain to which one receptor pathway leads is different from the region to which the other pathway leads. C. The needle prick generates a stronger action potential in any one neuron than an ice cube does. D. The needle prick generates a higher frequency of action potentials than the ice cube does. E. The ice cube stimulates a different class of receptors than the needle prick, even though both signals go to exactly the same location in the brain.
Typical heart rates of ________ beats per minute and respiratory rates of 30 breaths per minute in neonates are normal, and considerably higher than those of adults.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not a characteristic of childhood?
A) Developing a high degree of voluntary muscular control B) Establishing bowel control C) Becoming reproductively functional D) Secondary teeth replacing primary teeth
Which of the following is not a region of the spinal cord?
A. Pelvic B. Sacral C. Cervical D. Lumbar E. Thoracic