BIO 115 Anatomy & Physiology II Practice Assignment 4: The Nervous System & The Senses This is not a required assignment but it is recommended.
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1 BIO 115 Anatomy & Physiology II Practice Assignment 4: The Nervous System & The Senses This is not a required assignment but it is recommended. 1. This figure depicts a typical neuron. What structures are indicated by number 2? A. Axon B. Dendrites C. Cell body D. Myelin sheath E. Synaptic knobs 2. Which part of a neuron carries impulse away from the cell body? A. axon B. dendrite C. nucleus D. neuroglia 3. Within the peripheral nervous system, the myelin sheath is formed by A. Schwann cells. B. oligodendrocytes. C. microglial cells. D. astrocytes. 4. A sensory neuron carries impulses A. to muscles and glands. B. to the CNS. C. always within the CNS. 5. During depolarization A. many potassium ions move outside the neuron. B. sodium ions move inside the neuron. C. calcium ions move inside the neuron.
2 6. During repolarization A. chloride ions move outside the neuron. B. sodium ions move inside the neuron. C. potassium ions move outside the neuron. D. electrons stop moving along the axon. 7. In which direction does the transmission cross a synapse? A. dendrite to axon B. axon to dendrite C. either way D. both ways 8. Which of the following is the correct layering of the meninges from superficial to deep? A. dura mater, pia mater, arachnoid mater B. pia mater, dura mater, arachnoid mater C. dura mater, arachnoid mater, pia mater D. arachnoid mater, dura mater, pia mater 9. What protects the spinal cord? A. vertebrae B. meninges C. cerebrospinal fluid D. All of the choices are correct. 10. The subarachnoid space lies between the... A. Skull and dura mater B. Arachnoid mater and pia mater C. Pia mater and surface of the brain and spinal cord D. Dura mater and arachnoid mater For question 11 see video on EZ test web-site 11. The primary function of the cerebellum is A. Information processing B. Coordination of motor activity C. Language D. Regulation of personality
3 12. Which structure is highlighted (pink)? A. temporal lobe B. parietal lobe C. occipital lobe D. frontal lobe E. insula 13. Which structure is highlighted (pink outer surface)? A. meninges B. white matter C. cerebellum D. gray matter E. brainstem
4 14. Which structure is highlighted (pink)? A. thalamus B. corpus callosum C. pons D. medulla oblongata E. hypothalamus 15. Which structure is highlighted (pink)? A. thalamus B. pons C. medulla oblongata D. hypothalamus E. corpus callosum 16. The primary visual area is located in the lobe. A. frontal B. parietal C. temporal D. occipital
5 17. What cortex areas are involved with integration and memory? A. primary motor areas B. association areas C. somatosensory areas D. processing areas 18. Which part of the brain has centers for the control of breathing, heart rate, and vasoconstriction? A. pons B. midbrain C. medulla oblongata D. hypothalamus 19. Which system is concerned with internal organs (viscera)? A. somatic B. autonomic C. somatic and autonomic 20. Which system innervates skeletal muscles? A. somatic B. sympathetic C. parasympathetic D. All of the choices are correct. 21. Norepinephrine is a neurotransmitter used by the A. parasympathetic nervous system. B. sympathetic nervous system. C. both parasympathetic and sympathetic nervous systems. 22. The autonomic system that gets the body ready for "fight or flight" is the A. parasympathetic nervous system. B. sympathetic nervous system. C. somatic motor nervous system.
6 23. Which of the following is NOT true of the sympathetic division of the ANS? A. The ganglia are located near the effectors. B. Cell body of the preganglionic neuron is in the thoracolumbar region of the spinal cord. C. The preganglionic neurons are short D. The postganglionic neurons are short 24. Which of the following is an action of the parasympathetic division of the ANS? A. speeds up the heart B. stimulates the liver to release glucose C. constricts bronchioles D. inhibits salivation 25. Which of the following is the correct sequence of structures in a reflex arc? A. effector, motor nerve, sensory nerve, interneuron, receptor B. sensory nerve, interneuron, receptor, motor nerve, effector C. receptor, sensory nerve, interneuron, motor nerve, effector D. receptor, effector, interneuron, sensory nerve, motor nerve 26. What type of receptor responds to changes in temperature? A. mechanoreceptor B. thermoreceptor C. photoreceptor D. chemoreceptor 27. The feeling of pain on the body surface that has its origin in an internal organ is called A. nociception. B. proprioception. C. referred pain. D. visceral pain. 28. Which of the following cutaneous receptors is NOT correctly matched with its stimulus? A. Krause end bulbs - pressure B. free nerve endings - heat or cold C. Pacinian corpuscles - fine touch D. Ruffini endings - pressure
7 29. The sensory receptors for taste are located in A. taste buds. B. salivary glands. C. the teeth. D. the cheeks. 30. The olfactory receptors are located A. in the roof of the nasal cavity. B. on nasal mucosa cilia. C. in the back of the throat. D. in the paranasal sinuses. 31. The structure that produces tears is called the A. conjunctiva. B. lacrimal apparatus. C. aqueous humor. D. sclera. 32. Photoreceptors are located in the A. retina. B. cornea. C. choroids. D. sclera. 33. Which of the following is connected to the nasopharynx by the auditory (eustachian) tube? A. inner ear B. cochlea C. middle ear D. outer ear
8 34. In this illustration of the ear, what structure does number 4 indicate? A. Cochlea B. Stapes C. Tympanic membrane D. Incus E. Malleus 35. In this sagittal view of the eye, which number indicates the pupil? A. 7 B. 8 C. 4 D. 5 E. 6
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