Exam 27: Nervous, Sensory, and Locomotor Systems

Arthritis is a common result of aging,affecting a person's ability to ______.

A person whose eyeball is shorter than normal suffers from ______.

Examine the figure below.Once an action potential is triggered,______.

Please read the following paragraph and then answer the following question(s). The human eye is an incredible organ, capable of gathering light to focus on images near and far, in bright light or dim, and with quick adjustments between these extremes. However, as eyes age, the ability to focus closely gradually declines as the flexibility of the eye's lens decreases. Some eye problems, such as cataracts, are more likely to develop in people who are more exposed to natural sunlight. -Bloodshot eyes reflect increased blood flow to the eye surface because of irritants such as dust and smoke.These swollen blood vessels are located on the ______.

Where would we expect to find electrical synapses?

The minimum change in a membrane's voltage that must occur to trigger an action potential is the _____.

In contrast to action potentials,receptor potentials ______.

You start to trip,but you keep your balance and don't fall.Which of the following brain regions is responsible for the rapid coordination of muscle activity that kept you from falling?

Which one of the following is used to combat osteoporosis?

The two major divisions of the nervous system are the ______.

Which of the following neurotransmitters is associated with sleep,mood,attention,and learning?

The cerebral cortex is highly folded.Why might this be an advantage for the functions of the cerebrum?

Please read the following paragraph and then answer the following question(s). The human eye is an incredible organ, capable of gathering light to focus on images near and far, in bright light or dim, and with quick adjustments between these extremes. However, as eyes age, the ability to focus closely gradually declines as the flexibility of the eye's lens decreases. Some eye problems, such as cataracts, are more likely to develop in people who are more exposed to natural sunlight. -When light levels suddenly increase,our eyes adjust quickly by reducing the size of the ______.

Which one of the following correctly pairs the structure with its major function(s)?

A neuron can relay a more intense signal by ______.

As your jet takes off,you are pushed back in your seat and watch as the ground moves farther and farther away.Suddenly,your ears "pop," a result of air pressure changes in your ear permitted by the ______.

Which of the following is(are)part of the central nervous system?

Outnumbering neurons by up to 50 to 1,which cells protect,insulate,and reinforce neurons?

Which of the following effects could result from activation of the sympathetic nervous system?

Integration ______.