Term
| What does the hypothalamus control? |
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Definition
| (1) heart activity and blood pressure (2)body temperature, water balance, and endrocrine activity (3)emotional stages (rage, pleasure) and biological drives (hunger, thrist, sex) (4)reactions to fear and the fight or flight system |
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Term
| Which system consists of motor neurons that innervate smooth and cardiac muscle and glands? |
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Definition
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Term
| Name the five components of the reflex arc. |
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Definition
| receptor, sensory neuron, integration center, motor neuron, effector |
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Term
| What are the three main levels of neural integration in the somatosensory system? |
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Definition
| receptor level, circuit level, preceptual level |
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Term
| How many mixed pairs of spinal nerves are there? |
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Definition
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Term
| Name the spinal cords according to their point of issue. |
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Definition
| 8 cervical C1-C8; 12 thoracic T1-T12; 5 lumbar L1-L5; 5 sacral S1-S5; 1 Coccygeal C0 |
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Term
| Which nerve is the major motor and sensory nerve of the diaphram? |
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Definition
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Term
| What is the major nerve in the sacral plexus? |
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Definition
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Term
| Can be somatic(actiate skeletal mucles) or autonomic (viseral - activate smooth or cardiac muscle or glands) |
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Definition
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Term
| Name the 3 simple receptors that are inencapsulated. |
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Definition
| (1)Free nerve endings of sensory neurons (2) modified free nerve endings' Merkel discs (tactile discs) (3) Hair follicle receptors |
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Term
| Name the 6 simple receptors that are encapsulated. |
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Definition
| (1) Meissner's corpuscles (tactile corpuscles (2) pacinian corpuscles (lamellated corpuscles) (3) Ruffini endings (4) muscle spindles (5) golgi tendon organs (6) joint kinesthetic receptors |
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Term
| Do CNS fibers regenerate? |
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Definition
| No, damage the to brain or spinal cord is irreversible |
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