Portage Learning Anatomy & Physiology 2: Module 1 Exam | Comprehensive Practice Test| Study Guide Newest Actual Questions & Answers (A+ Guide Solutions.

Portage Learning Anatomy & Physiology 2: Module 1 Exam | Comprehensive Practice Test| Study Guide Newest Actual Questions & Answers (A+ Guide Solutions. Quiz_________________? A neuron going to the bicep of the forearm is part of the: - Answers A. Central nervous system B. Peripheral nervous system C. Autonomic system D. Somatic system E. A&C Correct! F. B&D Quiz_________________? A patient's spinal cord was severed in a car accident. Would the patient be expected to regrow axons in their spinal cord? Why or why not? - Answers No; Only peripheral system axons are capable of regeneration. The spinal cord is in the central nervous system. Quiz_________________? A presynaptic neuron would be found: - Answers A) Correct Answer Before the synapse B) After the synapse C) Inside the synapse D) Only in the peripheral nervous system Quiz_________________? An afferent neuron carries information: - Answers A) From the central to the peripheral nervous system B) Correct Answer From the peripheral to the central nervous system C) Within the central nervous system D) Within the peripheral nervous system Quiz_________________? Answer the following essay questions: Botulism is a disease caused by a neurotoxin that interferes with the release of Acetylcholine. Patients with this disease experience flaccid paralysis, or the inability to contract their muscles. Explain why this would occur. - Answers The nervous system interacts with the muscular system at the neuromuscular junction. Acetylcholine must be released from the presynaptic motor neuron into the synapse to bind onto the muscle fiber, eventually causing a muscle contraction. Without the release of acetylcholine, there will be no interaction between the nervous system and the muscular system and therefore no muscle contraction. Quiz_________________? Answer the following essay questions: You touch a hot pan when cooking. List out the steps, in detail, of the nervous pathway of the reflex that occurs. Include any sensory organs involved and the action of the reflex. - Answers 1. pain receptor in the skin sends a nerve impluse that moves along the dendrite toward the cell body and CNS 2. after it reaches the cell body, the impluse moves along the axon of the sensory nerve and synapse on the interneurons 3. Excitatory interneurons send singlas to motor neurons to the biceps which leads to a muscle contraction and elbow flexion. This action causes the hand to remove from the hot object. 4. inhibitory interneurons send signals that simultaneously prevent muscle contractions of the triceps. If both the tricep and bicep are contracting at the same time the hand will not move from the hot object.