Exam 15: Sensation, Neurons and Nervous Systems

After reading the paragraph below, answer the question(s) that follow(s). Walter has noticed that, as he has gotten older, his peripheral nervous system has been in decline. For example, his visual abilities have declined markedly-in particular his night vision is poor. Also, his ability to perceive tastes is much less active than in his youth. -Walter's reduced ability to sense tastes is caused by

We are capable of perceiving many different tastes via the action of taste buds on our tongues. Which of the following statements regarding how taste buds work is true?

After reading the paragraph below, answer the question(s) that follow(s). Bob was in a terrible automobile accident and sustained damage to his autonomic nervous system. In particular, his parasympathetic nervous system was seriously damaged and has lost its function. -Which of the following bodily functions would tend to be stimulated in the absence of parasympathetic input?

Dogs have a superior sense of smell relative to humans because they

After reading the paragraph below, answer the question(s) that follow(s). Walter has noticed that, as he has gotten older, his peripheral nervous system has been in decline. For example, his visual abilities have declined markedly-in particular his night vision is poor. Also, his ability to perceive tastes is much less active than in his youth. -Walter's poor night vision is caused by

In a neuronal action potential, the primary voltage-gated channel(s) involved is/are the

At rest, the inside of the neuron is more ________ than the outside.

Which of the following statements regarding neurotransmitters is correct?

Vertigo can be caused when lymph within the semicircular canals fails to move smoothly along the hair cells. This is because

After reading the paragraph below, answer the question(s) that follow(s). Bob was in a terrible automobile accident and sustained damage to his autonomic nervous system. In particular, his parasympathetic nervous system was seriously damaged and has lost its function. -Which of the following bodily functions would not be affected by this?