Anatomy Questions
Explore questions in the Anatomy category that you can ask Spark.E!
22. How does nicotine affect dopamine synapses?a. It decreases the release of dopamine.b. It increases the release of dopamine.c. It causes damage to the dopamine receptors.d. It stops the production of dopamine.
10. Your alarm clock wakes you up and reminds you to get ready for school. Which type of neuron receives thesound of the alarm?a. interneuronsb. myelin neuronsc. sensory neuronsd. motor neurons
21. Place these events in the order in which they would occur in a person who uses an addictive drug.I. To maintain homeostasis, the brain reacts to a flood of dopamine by lowering the number of dopamine receptors.II. The molecules of dopamine bind to receptors, causing feelings of pleasure.III. It becomes more difficult for the person to feel normal without the drug.IV. A flood of the neurotransmitter dopamine is released into the brain's synapse.a. I, III, II, IVb. II, IV, III, Ic. II, I, III, IVd. IV, II, I, III
44. In Figure 31-3, which labeled structure carries impulses to the brain?a. 1b. 2c. 3d. 4
26. Sensory receptors that are sensitive to chemical information from the environment are found in thea. skin and hypothalamus.b. skin, hair follicles, and ears.c. eyes.d. nose and taste buds.
19. For a person who writes with his or her left hand, the muscles involved in writing are controlled bya. the left hemisphere of the cerebrum.b. the right hemisphere of the cerebrum.c. both the left and right hemispheres of the cerebrum.d. neither hemisphere of the cerebrum.
31. When you move your fingers to type a text message, you are using motor neurons of thea. somatic nervous system.b. sensory nervous system.c. autonomic nervous system.d. central nervous system.
11. Refer to Figure 31-1. Which structure carries impulses to the cell body?*a. Ib. IIc. IIId. V
29. Which type of sensory receptor is responsible for smell and taste?a. photoreceptorb. thermoreceptorc. mechanoreceptord. chemoreceptor
39. Which structure in Figure 31-2 is commonly injured by people inserting cotton swabs or other objects into their ears?a. structure Ab. structure Bc. structure Cd. structure D
17. The 31 major nerves that branch out from the spinal cord connecting it to the rest of the body are thea. cranial nervesb. vertebrate nervesc. spinal nervesd. central nerves
27. The primary function of the sensory division of the peripheral nervous system is to transmit impulsesa. from sense organs to the central nervous system.b. from the spinal cord to the brain.c. from the brain to the muscles.d. from one sense organ to another.
12. Refer to Figure 31-1. Which structure carries impulses away from the cell body?*a. Ib. IIc. IIId. V
40. Which labeled structure in Figure 31-2 produces pressure waves in the cochlea?a. structure Ab. structure Bc. structure Cd. structure D
28. Which receptors respond to a scraped knee?a. thermoreceptorsb. pain receptorsc. chemoreceptorsd. photoreceptors
32. Which sense relies on the largest sense organ in the body?a. touchb. hearingc. smelld. taste
34. If you did not like the flavor of a certain oral liquid medicine, you could hide much of its taste bya. closing your eyes.b. covering your ears.c. holding your nose.d. folding your hands together.
13. What begins when a neuron is stimulated by another neuron or by a stimulus in the environment?a. a thresholdb. a resting potentialc. an impulsed. a dendrite
15. When an impulse reaches the end of a neuron, it triggers the release ofa. neurotransmitters.b. sodium ions.c. dendrites.d. receptors.
9. Neurons are classified by thea. direction in which they carry impulses.b. amount of metabolic activity that takes place.c. number of dendrites that branch out.d. number of impulses that they carry.