Chapter 9 Nervous System Test Review

Transcription

1 Chapter 9 Nervous System Test Review Multiple Choice Choose the best answer from the choices given 1. The central nervous system consists of: a) sensory nerves b) nerves that run throughout the body c) brain and spinal cord d) all nerve tissue other than the brain and spinal cord 2. The receptive surfaces of the neuron are: a) schwan cells b) axons c) dendrites and cell body d) mitochondria 3. The axons carry the nerve impulse a) toward the cells body b) toward the cells dendrite c) away from the cells body d) they don t carry a nerve impulse 4. Motor functions stimulate effectors. Effectors include: a) the brain b) the spinal cord c) muscles only d) muscles and glands 5. Neuroglia types include: a) schwann cells b) satellite cells c) microglia cells 6. What is one of the ions or molecules that makes the inside of the nerve cell have a negative charge? a) sodium b) proteins c) potassium d) glucose 7. Which ion has a greater potential driving force into the resting nerve cell if the membrane changes would allow it to move into the cell? a) sodium b) potassium c) calcium d) chloride

2 8. The sodium potassium pump exchanges a) 3 intracellular sodium for 2 extracellular potassium b) 3 extracellular sodium for 2 intracellular potassium c) 2 intracellular sodium for 3 extracellular potassium d) 2 extracellular sodium for 3 intracellular potassium 9. Leak channels in the cell membrane of a nerve cell are a) active channels b) passive channels 10. The threshold voltage for an action potential to occur is a) +66mV b) -90 mv c) 0 mv d) -60mV 11. Action potentials travel fastest on a) thin axons b) unmylenated c) axons without schwann cells d) myelinated axons 12. When the cell is repolarizing the voltage potential of the nerve cell is a) not changing b) is becoming more positive c) is becoming more negative 13. During the absolute refractory period no activation can occur. a) true b) false 14. Myelinated axons have a) continuous propagation b) saltatory propagation c) peperatory propagation d) Jonney s propagation 15. The more complex of reflex is a) stretch reflex b) neural reflex c) flexor reflex d) crossed extensor reflex 16. Which of the following is not a lobe of the cerebrum. c) occipital lobe d) parietal lobe e) coccyx lobe

3 17. The portion of the brain that controls breathing and heartbeat is the b) pons c) medulla oblongata d) thalamus e) occipital lobe 18. The portion of the brain that has area of reflex centers that control eye / head movement and posture. a) midbrain b) thalamus c) medulla oblongata d) pons 19. The portion of the brain that contains inferior and superior colliculi which are auditory and visual relay / reflex centers. a) midbrain b) thalamus c) medulla oblongata d) pons 20. Damage to this portion of the brain may lead to difficulty in controlling body movements such as walking a) midbrain b) medulla oblongata c) cerebellum d) pons 21. The hypothalamus regulates a) body temperature b) glandular secretions of the stomach and intestine c) water and electrolyte balance 22. The limbic system controls a) emotional experience b) expression c) behavior that increases survival chance 23. This area of the brain includes epithalamus, thalamus. hypothalamus b) pons c) cerebellum d) diencephalon

4 24. This portion of the brain is important for aspects of sensations including touch, pain, taste and kinesthesia. a) mid brain b) frontal lobe d) temporal lobe e) pons 25. This portion of the brain controls personality and emotional traits and was studied in Phineas Gage 26. This portion of the brain is the primary visual reception area and allows for visual interpretation 27. This portion of the brain is the auditory receptive area and association areas of expressed behavior, language receptive speech and memory information retrieval 28. The function of spinal fluid is to a) provide protection from sudden movements b) transport oxygen to the cells of the brain c) acts as the blood brain barrier d) is only found around the spinal cord 29. This gland secretes melatonin in response to light conditions and helps regulate circadian rhythms.

5 30. This gland releases many hormones including growth, prolactin and thyroid stimulating hormones 31. This structure receives sensory information from all senses except taste and smell and routes the information to the appropriate cortical areas 32. This structure sits above the medulla and is a neural bridge between cerebellum, midbrain and medulla oblongata 33. The Node of Ranvier is a) the space at the end of the spinal cord b) the gap between schwann cells c) the space in the folds of the cerebrum

6 Matching - match the letter on the diagram (picture) with the correct name a) temporal lobe b) cerebellum c) frontal lobe e) medulla oblongota (39 is in upper diagram) a) occipital lobe b) parietal lobe c) bipolar d) multipolar e) unipolar

7 43-47 a) thalamus b) cerebellum c) spinal cord d) lateral ventricle e) corpus collusum a) medulla b) occipital lobe c) pineal gland d) optic chiasm e) parietal lobe