BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 42, Problem 2U
The ____ cannot be controlled by conscious thought.
a. motor neurons
b. somatic nervous system
c. autonomic nervous system
d. skeletal muscles
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Chapter 42 Solutions
BIOLOGY
Ch. 42.1 - Differentiate between subdivisions of the...Ch. 42.1 - Prob. 2LOCh. 42.1 - Explain the roles of the different nervous system...Ch. 42.2 - Contrast the relative concentrations of important...Ch. 42.2 - Prob. 2LOCh. 42.2 - Prob. 3LOCh. 42.3 - Prob. 1LOCh. 42.3 - Prob. 2LOCh. 42.3 - Prob. 3LOCh. 42.4 - Prob. 1LO
Ch. 42.4 - Prob. 2LOCh. 42.4 - Prob. 3LOCh. 42.5 - Describe the organization of the peripheral...Ch. 42.5 - Prob. 2LOCh. 42.5 - Prob. 3LOCh. 42.5 - Prob. 4LOCh. 42 - Data analysis Draw the resulting potentials for...Ch. 42 - Prob. 2DACh. 42 - Which of the following best describes the...Ch. 42 - The ____ cannot be controlled by conscious...Ch. 42 - Prob. 3UCh. 42 - Inhibitory neurotransmitters a. hyperpolarize...Ch. 42 - White matter is ______, and gray matter is...Ch. 42 - During an action potential a. the rising phase is...Ch. 42 - Prob. 7UCh. 42 - Imagine that you are doing an experiment on the...Ch. 42 - The Na+/K+ ATPase pump is a. not required for...Ch. 42 - Prob. 3ACh. 42 - The following is a list of the components of a...Ch. 42 - Prob. 5ACh. 42 - As you sit quietly reading this sentence, the part...Ch. 42 - G proteincoupled receptors are involved in the...Ch. 42 - Tetraethylammonium (TEA) is a drug that blocks...Ch. 42 - Describe the status of the Na+ and K+ channels at...Ch. 42 - Describe the steps required to produce an...Ch. 42 - Prob. 4S
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- Which of the following techniques involves passing a mild current through the brain to activate certain structures without damaging them? a. electroconvulsive tomography (ECT) b. magnetic resonance imaging (MRI) c. deep brain lesioning d. electrical stimulation of the brain (ESB)arrow_forwardWhich of these locations in the forebrain is the master control center for homeostasis through the autonomic and endocrine systems? a. hypothalamus b. thalamus c. amygdala Chapter 15 | The Autonomic Nervous System 691 d. cerebral cortexarrow_forwardNeurotransmission is the way that brain cells communicate, and the bulk of those communications occur at a site called the a. Basal Ganglia b. Neurons c. Synapses d. Hypothalamusarrow_forward
- Preparing the body for the "fight-or-flight" response is the role of the a.parasympathetic division b.somatic nervous system c.cerebrum d.sympathetic divisionarrow_forwardTiffany suffers from primary narcolepsy. Occasionally, during the day she experiences total loss of muscle tone in her body. Sometimes she just needs to sit and wait for it to pass, other times she complete collapses on the floor. What is this called? A. Sleep paralysis B. Hypnagogic hallucinations C. Cataplexy D. Apoplexyarrow_forwardWhat brain region(s) is/are responsible for inhibiting muscle tone in the neck and core during REM sleep? A. hypothalamus B. pons and medulla C. pineal gland and hypothalamus D. basal forebrainarrow_forward
- Which of the following is not a part of the periphrial nervous system (PNS)? a.somatic nervous system b.autonomic nervous system c.sensory neurons d. motor neurons e. spinal cordarrow_forwardThe area of the brain that contains centers controlling visceral activities is the _________. a. cerebrum b. cerebellum c. brainstem d. diencephalonarrow_forwardWhich of the following is NOT a reason why a reflex arc is faster than a normal nerve transmission? a. A reflex arc stimulates the motor neurons for an immediate reaction. b. A reflex arc does not send information to the brain to be processed. c. A reflex arc does not involve neurotransmitters. d. A reflex arc involves fewer neurons.arrow_forward
- Activation of the sympathetic nervous system causes: a. increased blood flow into the skin b. a decreased heart rate c. an increased heart rate d. increased digestionarrow_forwardThe human nervous system is capable of a wide range of functions. What is the basic unit of the nervous system? A. Glial cell B. Meninges C. Neuron D. Cerebrospinal fluidarrow_forwardLetter and words 1) Which of the following are parts of the central nervous system? I. Nerves II. Spinal Cord III. Brain A. III only C. II and III only B. I and III only D. I , II and III 2) Which among the following is NOT a part of the brain? A. Brain Stem C. Cerebrum B. Cerebellum D. Cranium 3) How does the body react to life-threatening situations? A. The parasympathetic nervous system calms down the body. B. Fight or flight response is turned on by sympathetic nervous system. C. Brain shuts down all the body functions to conserve precious energy. D. All the nerves in the body are activated to increase chances of survival. 4) A loud bang is heard across the room. In reaction to this, people turned their heads towards the noise. Which is the stimulus in this case? A. loud bang C. room B. people D. turning of heads 5) What type of nerve connects the eyes directly to the brain? A. cranial nerve C. spinal nerve B. direct nerve D. tactile nerve 6) What organ system…arrow_forward
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