Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Textbook Question
Chapter 4, Problem 9RQ
Neuroglia (a) conduct electrical impulses, (b) are nerve stem cells, (c) are support cells that aid neurons, (d) are an abnormal growth of neural tissue.
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(a) Describe the composition and function of the cell body. (b) How are axons and dendrites alike? In what ways (structurally and functionally) do they differ?
Which statement is true regarding the nervous system?
a) Damaged myelin on an axon has no effect with its ability to transmit an action potential
b) Depolarization is the reduction of the membrane potential; going from negative to a more positive charge
c) Neuroglia cells are only responsible for providing immunity to the nervous cells
d) Neurons can communicate with other cells without the use of neurotransmitters
Match the types of neuroglia to their functions. (1) ependymal cells (2) oligodendrocytes (3) astrocytes (4) Schwann cells (5) microglial cells A. form a myelin sheath around peripheral nerves B. phagocytize cellular debris and bacteria C. line inner parts of ventricles and spinal cord D. form scar tissue and regulate ion and nutrient concentrations in the CNS E. form a myelin sheath around neurons in the CNS
Chapter 4 Solutions
Human Anatomy
Ch. 4 - Describe the location of the apical region of an...Ch. 4 - Why are cuboidal or columnar cells found in...Ch. 4 - Prob. 3CYUCh. 4 - What type of gland are goblet cells? What do they...Ch. 4 - Prob. 5CYUCh. 4 - What feature distinguishes a simple exocrine gland...Ch. 4 - Prob. 7CYUCh. 4 - How do the intermediate �laments within...Ch. 4 - Prob. 9CYUCh. 4 - How do epithelial tissues differ from connective...
Ch. 4 - Distinguish the matrix of a connective tissue from...Ch. 4 - Which structural element of connective tissue...Ch. 4 - How does loose connective tissue differ from dense...Ch. 4 - Which type of connective tissue forms the...Ch. 4 - Which connective tissues contain collagen �bers?Ch. 4 - In which connective tissues are the cells located...Ch. 4 - Prob. 17CYUCh. 4 - Look at a photomicrograph of smooth muscle tissue...Ch. 4 - Which nerve cells function to transmit electrical...Ch. 4 - Distinguish between the terms striated and...Ch. 4 - Which tissues regenerate easily? Which tissues do...Ch. 4 - Is the scar tissue that creates a "scar" located...Ch. 4 - What causes the heat and swelling in an infected...Ch. 4 - Which embryonic layer or layers form epithelium?Ch. 4 - How do cancerous cells differ from other highly...Ch. 4 - An epithelium that has several cell layers, with...Ch. 4 - The type of gland that secretes products such as...Ch. 4 - Match the epithelial type named in column B with...Ch. 4 - ln connective tissue proper, the cell type that...Ch. 4 - Identify each of the cell surface features...Ch. 4 - Match each epithelial tissue in column B with its...Ch. 4 - For each connective tissue (CT) listed, indicate...Ch. 4 - The muscle tissue that is striated is (a) skeletal...Ch. 4 - Neuroglia (a) conduct electrical impulses, (b) are...Ch. 4 - Which of the following cells are not found.in a...Ch. 4 - The ground substance in connective tissue proper...Ch. 4 - Prob. 12RQCh. 4 - Prob. 13RQCh. 4 - Prob. 14RQCh. 4 - Prob. 15RQCh. 4 - Prob. 16RQCh. 4 - Prob. 17RQCh. 4 - Name the speci�c type of connective tissue being...Ch. 4 - Name the four classic symptoms of inflammation,...Ch. 4 - Prob. 20RQCh. 4 - Prob. 21RQCh. 4 - Of the four basic tissue types, which two develop...Ch. 4 - Prob. 23RQCh. 4 - Prob. 24RQCh. 4 - Prob. 25RQCh. 4 - Prob. 26RQCh. 4 - Prob. 1CRCAQCh. 4 - Prob. 2CRCAQCh. 4 - Three patients in an intensive care unit have...Ch. 4 - Prob. 4CRCAQCh. 4 - A patch of scar tissue that forms in the wall of...Ch. 4 - Ciliated epithelium is located in the bronchial...
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- Why are cancerous growths that originate in the brain more likely to be composed of neuroglia than of neurons?arrow_forwardWhen a neuron receives signals from other neurons, the signals arrive at the axon hillock in the form of ________. A) graded potential changes B) action potentials C) calcium ions D) ATP E) RNAarrow_forward2) myelin sheaths are axons located within the central nervous system are formed by which of the following? a) oligodendrocytes b) microglia c) Schwann cells d) Astrocytesarrow_forward
- Synaptic cleft has what? A)stores neurotransmitters when they are not in use B)contains myosin and actin C)is located in the sarcoplasm D)is a space where neurotransmitters are released from the neuronarrow_forwardNeurons typically receive information at structures called Question 1 options: A) Myelin B) Dendrites C) Neuroglia D) Axons E) Axon hillocksarrow_forwardMatch the neuroglia with the correct function: A. Satellite cells B. Schwann Cells C. Oligodendrocytes D. Ependymal E. Microglia F. Astrocytes 1. Cells that produce the myelin in the PNS. 2. Cells that produce myelin in the CNS 3. Phagocytes that dispose debris like dead brain cells and bacteria 4. Anchors and braces neurons with cellular projections 5. Cells have cilia that help circulate the cerebrospinal fluid 6. Cells help cushion and protect neurons in the PNS 7. Cells serve as a medium for diffusion between capillaries and neurons 8. Cells line cavities of the brain and spinal cordarrow_forward
- which of the following cells found in the glial scar are permissive to axonal regeneration? a) microglia b) astrocytes c) oligodendrocytes d) oligodendrocytes precursor cellsarrow_forwardFill in the blanks: ________ are the cells of nervous tissue that send and receive messages, and ________ are the supporting cells of nervous tissue. A(n) ________ carries a nerve impulse toward a neuron cell body, and a(n) ________ carries a nerve impulse away from a neuron cell body.arrow_forward24) a neuron that has as its primary function the job of connecting other neurons is called a(n)? a) interneuron b) glial cell c) afferent neuron d) efferent neuronarrow_forward
- If your index finger had to be amputated as a result of a freak what would happen to your S1 somatotopic map of your fingers? A) The neurons in S1 that had previously responded to stimulation on the index finger would begin to respond to stimulation of the thumb and middle finger B) The neurons in S1 that had previously responded to stimulation on the index finger would begin to respond to stimulation of the foot and toes C) The neurons in S1 that had previously responded to stimulation on the index finger would die and the neurons from the thumb and middle finger would reproduce and expand their respective maps D) None of the abovearrow_forward15) The concentration of ions in the chemical environment surrounding the neurons must be tightly regulated for neurons to function properly. Which of the following cells is most responsible for this? a) astrocytes b) Schwann cells c) oligodendrocytes d) satellite cellsarrow_forward5) cranial nerve II, the optic nerve sends nerve impulses to the brain carrying information about the things we see. These nerve fibers most likely belong to which division of the nervous system? a) sympathetic division b) sensory(afterent) division c) parasympathetic division d)somatic nervous systemarrow_forward
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