Practice exam 2

Practice exam 2 - PART 2 CHAPTERS 5-7, QUESTIONS 1 - 101 1....

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PART 2 CHAPTERS 5-7, QUESTIONS 1 - 101 1. The relationship or interaction between drugs and living organisms is referred to as a. physiology b. pharmacology c. homeostasis d. neurohormonal balance 2. A nerve cell is referred to as a a. glial cell b. dendrite c. neuron d. neurilemma 3. _______allow nerve impulses to be transmitted to the cell body. a. axon b. cell body c. myelin sheath d. dendrites 4. In order for an electrical message to be sent from the axon of one neuron to the dendrite of another neuron it must transverse a space called the a. myelin sheath b. synapse c. neuron gap d. neurilemma 5. Which of the following neurotransmitters acts as an excitatory transmitter in the skeletal muscles, but functions as an inhibitory transmitter in the heart muscle? a. norepinephrine b. epinephrine c. acetylcholine d. serotonin 6. A reduction of ACH receptors in the brain has been linked to what disease? a. alzheimers b. multiple sclerosis c. muscular dystrophy d. epilepsy 7. Before ACH can be inactivated _______ must be present a. vitamins b. opium c. cholinesterase d. citrus juice
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8. Which of the following neurotransmitters plays a role in regulating sensory perception, eating, pain, sleep, and body temperature? a. acetylcholine b. epinephrine c. norepinephrine d. serotonin 9. To synthesize serotonin, high levels of what amino acid is needed? a. tryptophan b. peptides c. acetic acid d. acetaminophen 10. The neurological disorder Huntington’s Chorea has been linked to what neurotransmitter? a. serotonin b. acetylcholine c. epinephrine d. gamma-aminobutyric acid 11. Epinephrine, dopamine, and norepinephrine are all examples of a. hormonal modulators b. catecholamines c. neurotransmitters found only in the autonomic nervous system d. neurotransmitters not secreted into the synapse 12. Which of the following neurotransmitters is thought to play a role in Parkinson’s disease? a. serotonin b. dopamine c. epinephrine d. acetylcholine 13. Epinephrine is also known as a. acetyl salicylic acid b. acetaminophen c. adrenaline d. noradrenalin 14. Which of the following neurotransmitters is released into the blood-stream during times of stress? a. norepinephrine b. serotonin c. dopamine d. epinephrine 15. Nonadrenaline is also called a. epinephrine b. serotonin c. norepinephrine d. dopamine
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16. It is questionable whether _________ is/are truly neurotransmitters since they appear to modulate the activity of neurotransmitters. a. peptides b. acetylcholine c. serotonin d. catecholamines 17. RAS affects a. sleep b. attention c. arousal d. all of the above 18. The part of the brain distinguishing humans from other mammals is the a. brainstem b. cerebellum c. cerebral cortex d. medulla 19. Homeostasis is maintained by the a. hypothalamus b. midbrain c. pons d. medulla 20. The __________ system serves as the emotional center of the brain a. reticular activating b. limbic c. autonomic d. peripheral 21. The medulla and pons are part of the a. periventricular system b. reticular activating system
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Practice exam 2 - PART 2 CHAPTERS 5-7, QUESTIONS 1 - 101 1....

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