Question

which of the following is a way in which the somatic and autonomic nervous systems are similar?

both systems have ganglia in their motor pathways.

both systems share common efferent pathways.

both systems elicit the same target organ responses to their neurotransmitters.

both systems share common effectors.

none of the listed responses is correct.

Explanation:

1. Analyze each option:

• "Both systems have ganglia in their motor pathways": The somatic nervous system (SNS) has no ganglia in its motor pathways (motor neurons go from CNS to effectors directly), while the autonomic nervous system (ANS) has ganglia. So this is incorrect.
• "Both systems share common efferent pathways": SNS and ANS have different efferent pathways (SNS: single motor neuron; ANS: two - neuron chain). Incorrect.
• "Both systems elicit the same target organ responses to their neurotransmitters": SNS (using ACh) and ANS (different divisions use ACh or NE, and responses can differ even with same neurotransmitter) don't have the same target organ responses. Incorrect.
• "Both systems share common effectors": SNS effectors are skeletal muscles; ANS effectors are smooth muscle, cardiac muscle, and glands. No common effectors. Incorrect.
• Since all other options are incorrect, the correct answer is the last option.

Answer:

None of the listed responses is correct.