Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 32, Problem 13SQ
Summary Introduction
Introduction: The limbic system is a collection of structures that encircles the upper part of the brain stem. This system controls the emotions, assists in memory, and correlates the organ’s activities with self-gratifying behavior.
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If someone where has damaged their spinal cord only on the left side, which of the follwoing would be true?
A) They would not be able to feel or have a sense of proprioception on thier left side below the lesion.
B) They would not be able to feel or have a sense of proprioception on thier right side above the lesion.
C) They can't move the right side of their body below the lesion.
D) They won't feel pain on the left side below the lesion.
While studying in a noisy cafeteria, you get sleepy and doze off for a few minutes. You awaken with a start and realize that all the cafeteria sounds have just “come back.” While you were dozing, this auditory input was blocked from reaching your auditory cortex bya. the temporal lobe.b. the thalamus.c. the reticular activating system.d. the medulla oblongata.e. the vestibulocochlear nerve.
As humans age, there is a decrease in the
A
highest frequencies that we are able to hear.
B
highest amplitudes that we are able to hear.
C
ability to hear low frequency sounds.
D
ability to hear high amplitude sounds.
Chapter 32 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 32 - ___ relay messages from the brain and .spinal cord...Ch. 32 - Prob. 1DAACh. 32 - Prob. 2DAACh. 32 - Prob. 3DAACh. 32 - Prob. 4DAACh. 32 - When a neuron is at rest, ______ a. it is at...Ch. 32 - Action potentials occur when ________ a. a neuron...Ch. 32 - True or false? Action potentials vary in their...Ch. 32 - Neurotransmitters are released by _______ a. axon...Ch. 32 - What chemicals is released by the axon terminals...
Ch. 32 - Which neurotransmitter is important in...Ch. 32 - Skeletal muscles are controlled by _________ a....Ch. 32 - When you sit quietly on the couch and read, output...Ch. 32 - Dorsal root ganglia contain _______ of sensory...Ch. 32 - Prob. 11SQCh. 32 - Neurons are arrested in ________ of the cell...Ch. 32 - Prob. 13SQCh. 32 - Commands to move your right arm start in the...Ch. 32 - Match each item with its description. ___ gray...Ch. 32 - Prob. 1CTCh. 32 - In human newborns, especially premature ones, the...
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- Suppose you suffer a cut through the spinal cord on the left side only. For the part of the body below that cut, you will lose pain sensation on the right side of the body and touch sensation on the left side. Why?A. The left side of the body is more sensitive to pain than the right side is.B. The right side of the body is more sensitive to pain than the left side is.C. Pain axons cross the spinal cord at once, but touch fibers do not.D. Pain axons regrow after injury, but touch axons do notarrow_forwardA patient presents with paralysis of the right side of the body. A) You know that this patient has suffered brain damage. Explain how you know the damage is to the brain, not the spinal cord. B) What region of the brain is most likely affected? Explain your answer.arrow_forwardGanglia are ... a) ... collections of nerve cell bodies outside the CNS b) ... part of a nerve cell c) ... the connection between two nerve cells d) ... collections of nerve fibers in the CNS e) ... a type of glial cells in the brainarrow_forward
- After suffering a stroke, a patient can see objects anywherein front of him but pays attention only to objects in his rightfield of vision. When asked to describe these objects, he hasdifficulty judging their size and distance. What part of thebrain was likely damaged by the stroke?(A) the left frontal lobe(B) the right frontal lobe(C) the right parietal lobe(D) the corpus callosumarrow_forwardThe dilated blood vessels seen in “bloodshot” eyes are vessels of:- a. the retina. b. the cornea. c. the conjunctiva. d. the sclera. e. the choroidarrow_forwardThe largest, outermost portion of the brain in humans is thea. cerebellum. c. reticular activating system.b. cerebrum. d. thalamus.arrow_forward
- Myelinated axons make up the brains _______. a. white matter c. gray matter b. ventricles d. meningesarrow_forwardAlcohol affects coordination by its effect on the ______. a. pons c. spinal cord b. cerebellum d. hypothalamusarrow_forwardResearch suggests that PGO waves play an important role in generating REM sleep. PGO waves activate all of the following brain regions EXCEPT: A) the occipital lobes. B) the pons. C) the prefrontal cortex. D) the lateral geniculate nucleus.arrow_forward
- Which region is part of the prefrontal cortex? Select one: a. Posterior cingulate cortex b. Orbitofrontal cortex c. Anterior insular d. Putamen e. Ventral striatumarrow_forwardWhich of the following brain regions is not correctly matched to itsfunction?a. The medulla oblongata regulates heartbeat, breathing, and bloodpressure.b. The cerebellum coordinates voluntary muscle movements.c. The thalamus secretes melatonin, which regulates daily bodyrhythms.d. The midbrain acts as a refl ex center for visual, auditory, andtactile responses.arrow_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
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