Chapter 3: Problem 12

Sympathetic activation is associated with ________. a. pupil dilation b. storage of glucose in the liver c. increased heart rate d. both \(A\) and \(C\)

Short Answer

Expert verified

The correct answer is \(D\) Both \(A\) and \(C\)

Step by step solution

Understand Sympathetic Activation

Sympathetic activation, part of the autonomic nervous system, prepares the body for intense physical activity in situations triggering fight or flight responses. This might include pupil dilation, increased heart rate, slowing digestion, among others. However, it doesn't involve the storage of glucose in the liver.

Match the Options with Sympathetic Activation Effects

When we look at the options, we can understand that: \nOption \(A\) pupil dilation is an effect of sympathetic activation. When the body prepares for a situation requiring heightened senses, the pupils dilate to allow more light and improve vision. \nOption \(C\) increased heart rate, is also a result of sympathetic activation since the body needs more oxygen and nutrients, accelerated by an increased heart rate to cater to this requirement. \nOption \(B\) is incorrect, as sympathetic activation leads to the release of stored glucose from the liver into the bloodstream, but it doesn't promote storage. The liver produces glucose to provide extra energy for the body to combat the perceived threat.

Choose the Correct Option

Based on the above discussion, it can be inferred that Option \(D\) Both \(A\) and \(C\) is right, as these two choices accurately depict the effects of sympathetic activation.

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Sympathetic activation is associated with ________. a. pupil dilation b. storage of glucose in the liver c. increased heart rate d. both \(A\) and \(C\)

Short Answer

Step by step solution

Understand Sympathetic Activation

Match the Options with Sympathetic Activation Effects

Choose the Correct Option

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