Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question
11. Neurotransmitters are released from the
A. Dendrites
B. Nerve terminals
C. Axon
D. Medulla
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- 12. A neurotransmitter works A. In the axon B. On the presynaptic membrane C. On the postsynaptic membrane D. On the Myelin sheatharrow_forward14. Synaptic nerves belong to the: A. Voluntary nerves B. Optic nerves C. Dorsal root ganglion D. Autonomic nervous systemarrow_forwardPART G – LET'S REVIEW Organization of the Nervous System 1. Consists of the brain and spinal cord A. Efferent division B. Autonomic Nervous System 2. Composed of nerves arising from the brain and spinal cord C. Central Nervous System 3. PNS subdivision that transmits incoming info from the sensory organs to the CNS D. Afferent Nervous System 4. Produces the "fight or flight" response E. Sympathetic division 5. Šubdivision that carries info from the CNS to skeletal muscle F. Peripheral Nervous System 6. Subdivision of efferent division that transmits info to smooth G. Somatic Nervous System muscle, cardiac muscle, and glands 7. Consists of all outgoing motor pathways H. Parasympathetic division 8. Coordinates the body's normal resting activitiesarrow_forward
- 20. The presence of cholinesterase in the human nervous system allows a. One way impulse transmission b. More rapid impulse conduction c. Arecovery period by destroying acetylcholine d. Acetylcholine to continue stimulating dendrites 21. The threshold of a neuron refers to a. The polarity of 0.07 mV b. The minimum stimulus required to achieve depolarization c. The stimulus needed to achieve equal concentrations of sodium ions and potassium ions within the neuron d. The stimulus needed to achieve sodium ion equilibrium between the cytoplasm and extracellular fluid (ECF)arrow_forward10) Nicotinic receptors are a. G-protein coupled receptors b. Ligand-gated ion channels c. Kinas-linked receptors d. Nuclear receptors e. Transport proteinsarrow_forward7. Complete the following information comparing between sympathetic and parasympathetic nervous system: Parasympathetic Sympathetic a. Hear rate: (faster or slower) b. Bronchi diameter: (bigger or smaller) c. Blood flow to Gl tract: (more or less) d. Blood flow to skeletal muscles: (more or less) e. Adrenal medulla E/NE secretion: (more or less) f. Pupils: (larger or smaller) g. Effect on liver: (more glycogen converted to glucose or less) h. Stomach's gastric secretion for digestion: (more or less)arrow_forward
- 4. Nuclei within the _______ contain the cell bodies of the neurons responsible for sending dopaminergic and serotonergic axons throughout the brain. a. cerebellum b. basal ganglia c. temporal lobe d. spinal cord e. brainstemarrow_forward7.Which among the following statement is INCORRECT?(This is a multiple choice question choose the answer from the choices below) A.Motor neurons can cause the secretion of hormones from endocrine glands in addition to affecting the movement of muscles B.Sensory neurons send signals away from the CNS and elicit some type of response C.Motor neurons are efferent neurons that leave the CNS and act on distant cells D.Sensory neurons receive a stimulus either directly or from a specialized sensory receptor cell, and pass the signal on to the CNSarrow_forwardWhich of the following is associated with pain relief? a. acetylcholine c. serotonin b. glutamate d. endorphinsarrow_forward
- 7. Explain how a nerve impulse is conducted from one neuron to another.arrow_forward5. Which of the following is the neurotransmitter at the autonomic ganglia? a. acetylcholine b. norepinephrine c. epinephrine d. nicotine 1 6. Increased blood flow to skeletal muscle is best achieved by activation of which receptor? a. 0₁ b. B₁ 1 C. 0₂ d. B₂arrow_forward12. Magnesium only blocks the pore of the NMDA receptor when the neuron is very depolarized. a. True b. Falsearrow_forward
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