Senses System 1 Match each of the following terms with the a

Senses System

1. Match each of the following terms with the appropriate description.

I. somatic senses (general senses)       ________

II. special senses                                     ________

III. variations in stimulus intensity          ________

IV. action potential                                  ________

V. sensory receptor                                 ________

A. frequency and number of action potentials

B. produced by strong stimulation

C. endings of sensory neurons or specialized cells next to them

D. taste, smell, hearing, balance and vision

E. touch, pressure, temperature, pain and muscle sense

2. A nociceptor is a free nerve ending that produces a generator potential.

A. True

B. False

3. Myelinated axons carry action potentials by having them jump from node to node to node.

A. True

B. False

Solution

Answer:

1).

I. somatic senses (general senses)       __E. touch, pressure, temperature, pain and muscle sense______

II. special senses __D. taste, smell, hearing, balance and vision__

III. variations in stimulus intensity --A. frequency and number of action potentials--

IV. action potential ___B. produced by strong stimulation_____

V. sensory receptor ___C. endings of sensory neurons or specialized cells next to them_____.

2). A). True

Nociceptors are free (bare) nerve endings found in the skin (Figure 6.2), muscle, joints, bone and viscera.

3). A). True

Myelination serves to insulate the axon to take as much advantage of electrotonic spread, before offering a node which can \"regenerate\" the signal via an action potential. Action potentials appear to jump from node to node, but they\'re really connected by the very rapid electrotonic current being conducted between the nodes.