1. Give at least two examples of a response that occurs when the sympathetic ner

Question

1. Give at least two examples of a response that occurs when the sympathetic nervous system is in control. Give at least two examples of a response that occurs when the parasympathetic nervous system is in control.

2. Why are the SA node and AV nodes important to your heart?

3. Why is there a delay between the SA firing an impulse and the AV node firing an impulse?

4. Summarize the effects of each of the following on the heart rate: parasympathetic nervous system, sympathetic nervous system, the medulla oblongata.

5. Summarize the effects of the following on blood pressure: heart rate, blood volume, peripheral resistance, blood viscosity, elasticity of the arteries.

6. Identify the major components (anatomy) of the lymphatic system. For the organs, be sure to explain their specific function.

7. Differentiate the primary immune response from the secondary immune response.

8. Distinguish between naturally acquired active immunity and artificially acquired active immunity.

9. Distinguish between naturally acquired passive immunity and artificially acquired passive immunity.

Explanation / Answer

Answer 1) mandatory

Examples of sympathetic :

Increases heart rate and the contractility of cardiac cells (myocytes)

Dilates pupils and relaxes the ciliary muscle to the lens

Examples of parasympathetic :

Constriction of the pupil and contraction of the ciliary muscles,

Stimulating salivary gland secretion, and accelerates peristalsis

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