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Nervous System Pathways Jeopardy review game Needed: 3 or 4 players 1 Scorekeeper 1 watcher.

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Presentation on theme: "Nervous System Pathways Jeopardy review game Needed: 3 or 4 players 1 Scorekeeper 1 watcher."— Presentation transcript:

1 Nervous System Pathways Jeopardy review game Needed: 3 or 4 players 1 Scorekeeper 1 watcher

2 Pathways Jeopardy Motor pathways Sensory pathways Visceral pathways ANS more ANS

3 Upper motor neuron cell bodies are located here.

4 Answer: Precentral gyrus, also called primary motor cortex.

5 The effectors of somatic pathways are _________.

6 Answer: Skeletal muscles

7 True or False: Somatic motor fibers are located in spinal nerves and cranial nerves.

8 Answer: true

9 Which is not a motor pathway? vestibulospinal spinothalamic corticobulbar corticospinal

10 Which is not a motor pathway? vestibulospinal spinothalamic corticobulbar corticospinal Answer: spinothalamic

11 This motor tract is the motor component of a reflex that corrects the position of the head.

12 Answer: Vestibulospinal tract

13 This pathway conducts sensations of subconscious proprioception.

14 Answer: Spinocerebellar pathwway

15 The destination of somatic sensory tracts is ________.

16 Answer: Postcentral gyrus

17 Third order neuron cell bodies are in the ________.

18 Answer: thalamus

19 True or False: Dorsal rami and ventral rami of spinal nerves both conduct somatic sensory impulses.

20 Answer:True

21 Conscious perception of somatic sensory impulses occurs here: _______.

22 Answer: Postcentral gyrus, also called primary sensory cortex

23 Visceral sensory pathways begin in receptors of the ________.

24 Answer: visceral organs / ventral cavity organs

25 The site of integration for visceral sensory pathways is the: __________.

26 Answer: Solitary nucleus

27 True or False: Visceral motor impulses are only conducted to organs in the ventral cavity.

28 True or False: Visceral motor impulses are only conducted to organs in the ventral cavity. Answer: false, they are also conducted to sweat glands, arrector pili, adipose tissue, and blood vessels.

29 Visceral motor neuron somas are located here: ____and here: ____.

30 Visceral motor neuron somas are located here: ____and here: _____. Answer: Lateral horn of spinal cord and some cranial nerve nuclei

31 True or False: Referred pain is perceived when a visceral sensory pathway stimulates a spinothalamic pathway.

32 Answer: True

33 Name the four autonomic effectors.

34 Answer: Smooth muscle, cardiac muscle, glands, adipose tissue

35 Intramural ganglia are located along some of the pathways of the _______ division of the ANS.

36 Answer: parasympathetic

37 Sympathetic impulses to the body wall and limbs synapse in _________ ganglia.

38 Answer: sympathetic chain

39 True or false: Autonomic ganglionic fibers always secrete acetylcholine.

40 Answer: false, other neurotransmitters include NE and NO

41 Nicotinic Ach receptors are found at excitatory synapses in autonomic ________.

42 Answer: ganglia

43 True or false: Dual innervation means an effector is innervated by both the somatic and autonomic nervous systems.

44 Answer: false, it means the effector is innervated by both ANS divisions. (SYM and PARA)

45 True or False: Sympathetic nerves innervate all sympathetic effectors.

46 Answer: False, they innervate thoracic cavity effectors; splanchnic nerves innervate abdominopelvic viscera, and spinal nerves innervate effectors in the body wall and limbs.

47 True or False: The suprarenal medullae are dually innervated and secrete NE and EPI in response to ANS activity.

48 Answer: False, they are only innervated by the sympathetic division.

49 The amount of COMT and MAO (the enzymes that breakdown NE) are in ____ concentrations in most tissues.

50 Answer: low

51 True or false: Alpha (  ) and beta (  ) receptors exert their effects on effectors by increasing membrane permeability to sodium.

52 Answer: False, via cAMP or activating intracellular enzymes.


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