Chapter 2: The Biological Perspective

Quick Quiz 1 1. Two types of glial cells, called and , generate myelin. a) occipital; lobitical b) oligodendrocytes; Schwann cells c) occipital; Schwann d) oligodendrocytes; lobitical 2. neurotransmitters make it more likely that a neuron will send its message to other neurons, whereas neurotransmitters make it less likely that a neuron will send its message. a) Excitatory; inhibitory b) Inhibitory; excitatory c) Augmentation; depletion d) Depletion; augmentation 3. Which of the following are the three basic types of neurons? a) reflexes, sensory neurons, motor neurons b) sensory neurons, motor neurons, stem cells c) motor neurons, stem cells, reflexes d) interneurons, sensory neurons, motor neurons 4. As she walks out of the living room, Gloria turns out the light. In this example, Gloria’s is active. a) sympathetic nervous system b) parasympathetic nervous system c) autonomic nervous system d) somatic nervous system 5. Denise just received the results of a complete physical that found her body is not producing enough insulin. Which of the following endocrine glands is affecting her body’s ability to produce insulin? a) The adrenal gland b) The thymus gland c) The thyroid gland d) The pancreas 6. Which of the following is the primary benefit of SPECT over PET? a) SPECT is a non-invasive neuroimaging technique, while PET is invasive. b) SPECT offers the benefit of using radioactive tracers that are easier to monitor than PET. c) SPECT allows monitoring of actual brain activity, while PET does not. d) SPECT offers monitoring of brain oxygen changes, while PET does not.