Practice Test for Chapter 2

Biology and Behavior Name ______________________________ 1. Which is the correct sequence in the transmission of a neural impulse? A) axon → dendrite → cell body → synapse D) axon → synapse → cell body → dendrite B) dendrite → axon → cell body → synapse C) synapse → axon → dendrite → cell body E) dendrite → cell body → axon → synapse 2. The effect of a drug that is an agonist is to: A) cause the brain to stop producing certain neurotransmitters. B) mimic a particular neurotransmitter. C) block a particular neurotransmitter. D) disrupt a neuron's all-or-none firing pattern. 3. Heartbeat, digestion, and other self-regulating bodily functions are controlled by the: A) voluntary nervous system. D) somatic nervous system. B) autonomic nervous system. E) C) sympathetic division of the autonomic nervous system. central nervous system. 4. Following a head injury, a person has ongoing difficulties staying awake and paying attention. Most likely, the damage occurred to the: A) thalamus. B) corpus callosum. C) reticular formation. D) cerebellum. 5. Jessica experienced difficulty keeping her balance after receiving a blow to the back of her head. It is likely that she injured her: A) medulla. B) thalamus. C) hypothalamus. D) cerebellum. E) cerebrum. 6. Dr. Harry L. briefly flashed a picture of a key in the right visual field of a split-brain patient. The patient could probably: A) verbally report that a key was seen. C) draw a picture of a key using the left hand. B) write the word key using the left hand. D) do none of the above. 7. Which of the following is not true regarding brain organization and handedness? A) Left handed people are always right hemisphere dominant. B) Right-handedness is far more common than left-handedness throughout the world. C) On average, right-handers live longer than left-handers. D) The majority of left handed people are left hemisphere dominant.. E) Percentage wise, more left handed people are ambidextrous. 8. Chemical messengers produced by endocrine glands are called: A) agonists. B) neurotransmitters. C) hormones. D) enzymes. 9. The gland that regulates body growth is the: A) adrenal. B) thyroid. C) hypothalamus. D) pituitary. E) hyperthyroid. 10. Schizophrenia is most closely linked with excess activity at receptor sites for the neurotransmitter: A) acetylcholine. B) dopamine. C) epinephrine. D) serotonin. 11. The central nervous system consists of: A) sensory and motor neurons. B) C) somatic and autonomic subsystems. sympathetic and parasympathetic branches. D) the brain and the spinal cord. 12. Which of the following glands release epinephrine and norepinephrine when needed, as in emergency situations? A) adrenal B) endocrine C) pituitary D) thyroid 13. A brain tumor caused extensive damage to Mr. Thorndike's hypothalamus. It is most likely that he may suffer a loss of: A) language comprehension. B) muscular coordination. C) hunger D) visual perception. 14. The part of the brainstem that controls heartbeat and breathing is called the: A) cerebellum. B) medulla. C) reticular formation. D) thalamus. 15. Which brain structure relays information from the eyes to the visual cortex? Page 1 A) amygdala Biology and Behavior B) cerebellum C) hippocampus Name ______________________________ D) thalamus 16. Which of the following chemical messengers is both a neurotransmitter and a hormone? A) serotonin B) acetylcholine C) norepinephrine D) dopamine E) insulin 17. Alzheimer's disease is most closely linked to the loss of neurons that produce: A) dopamine. B) acetylcholine.(ACH) C) epinephrine. D) endorphins. 18. Which brain structure receives information from all the senses except smell? A) hippocampus B) amygdala C) angular gyrus D) thalamus 19. An impaired use of language is known as: A) tomography. B) plasticity. C) phrenology. D) aphasia. 20. Neurosurgeons have severed the corpus callosum in human patients in order to reduce: A) aphasia. B) epileptic seizures. C) depression. D) neural plasticity. E) reward deficiency syndrome. Page 2 Biology and Behavior Name ______________________________ Answer Key 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. E B B C D A A C D B D A C B D C B D D B Page 3