BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 41, Problem 3A
Suppose that an alien virus arrives on Earth. This virus causes damage to the nervous system by attacking the structures of neurons. Which of the following structures would be immune from attack?
a. Axon
b. Dendrite
c. Neuroglia
d. All of these would be attacked by the virus.
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Chapter 41 Solutions
BIOLOGY
Ch. 41.1 - Prob. 1LOCh. 41.1 - Prob. 2LOCh. 41.2 - Prob. 1LOCh. 41.2 - Prob. 2LOCh. 41.2 - Prob. 3LOCh. 41.3 - Prob. 1LOCh. 41.3 - Differentiate among forms of connective tissue.Ch. 41.3 - Prob. 3LOCh. 41.4 - Prob. 1LOCh. 41.4 - Prob. 2LO
Ch. 41.5 - Prob. 1LOCh. 41.5 - Prob. 2LOCh. 41.6 - Prob. 1LOCh. 41.6 - Explain the functional organization of these...Ch. 41.7 - Explain homeostasis.Ch. 41.7 - Prob. 2LOCh. 41.7 - Prob. 3LOCh. 41.8 - Prob. 1LOCh. 41.8 - Prob. 2LOCh. 41.8 - Prob. 3LOCh. 41 - Data analysis What does this graph predict about...Ch. 41 - Prob. 2DACh. 41 - Prob. 1IQCh. 41 - Epithelial tissues do all of the following except...Ch. 41 - Prob. 2UCh. 41 - Connective tissues include a diverse group of...Ch. 41 - Prob. 4UCh. 41 - Prob. 5UCh. 41 - The function of neuroglia is to a. carry messages...Ch. 41 - Skeletal muscle cells are a. large multinucleate...Ch. 41 - Connective tissues, although quite diverse in...Ch. 41 - Prob. 1ACh. 41 - Prob. 2ACh. 41 - Suppose that an alien virus arrives on Earth. This...Ch. 41 - Homeostasis a. is a dynamic process. b. describes...Ch. 41 - Prob. 5ACh. 41 - The three types of muscle all share a. a structure...Ch. 41 - Suppose that you discover a new disease that...Ch. 41 - Which organ systems are involved in regulation and...Ch. 41 - We have all experienced hunger pangs. Is hunger a...Ch. 41 - Why is homeostasis described as a dynamic process?...
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- Which cell regularly undergoes apoptosis following phagocytosis? A. neutrophil B. B lymphocyte C. macrophagearrow_forwardThe reflex arc is the fastest way the body has to move a body part from danger or away from the source of pain. Have you ever noticed your own reflex response? Did you notice that you felt the pain after you yanked your hand away from the source of pain? Which is the sequence of structures involved in a reflex response? a. motor neurons → effectors → brain → sensory neurons → interneurons b. effectors → sensory neurons → brain → motor neurons c. sensory neurons → interneurons → motor neurons → effectors d. sensory neurons → motor neurons → interneurons → effectorsarrow_forwardWhich 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 neurotransmittersarrow_forward
- Which of these types of cells is labile?a. neuron c. liverb. skin d. pancreasarrow_forwardWhy is inflammation an important part of the healing process? A Inflammation causes the body to spike a fever to kill pathogens. B Inflammation causes the body to produce histamine to fight infection. C Inflammation allows fluids containing white blood cells to collect to fight infection. D Inflammation drops the body temperature to control the spread of infection.arrow_forwardOur nerve impulse travels from one neuron to the next in the form of. a. chemical signal b. electrical signal c. electromagnetic signal d. pressure signalarrow_forward
- Cytoplasmic extensions of_______ send and receive chemical messages.a. glial cells c. fibroblastsb. neurons d. melanocytesarrow_forwardWhich of the following choices is CORRECT? A. cerebrospinal fluid (CSF) is synthesized in the cerebral ventricles B. Dense irregular connective tissue is type of classified as connective tissue proper C. Tight junctions between capillary endothelial cells in the CNS create the blood-brain barrier, thereby restricting diffusion of hydrophilic molecules into the brain D. Plasma cell is a connective tissue cell that is derived from B lymphocytes E. All of the above F. None of the abovearrow_forwardA motor neuron: a) transmits nerve impulses to the brain. b) is very short. c) transmits nerve impulses out of the brain and spinal cord. d) transmits nerve impulses to muscles only. Use the illustration below to answer questions 7 and 8. 7. Which number represents a dendrite? a) 1 b)2 c)3 d)4 e)5 8. What number represents the myelin sheath? a)1 b)2 c)3 d)4 e)5 9. At rest, a neuron is: a) Polarized b) Depolarized c) Green 10. Certain phenomena can be observed in a person running. What causes the runner's breathing rate to increase. a) The cells produce more CO2. b) The cells make more urea. c) The cells release more energy. d) The cells have a greater need for glucose.arrow_forward
- Where does collateral sprouting take place? a. In the cell body b. In the axon c. In the dendrites d. In both the axons and the dendritesarrow_forwardWhy is a cell-mediated immune response more effective against intracellular microorganisms (such as viruses) than an antibody-mediated response? Select one: a. Cell-mediated (vs. antibody-mediated) response results in activation of many more immune cells, so it is more effective at destroying antigens. b. Intracellular microorganisms are too large for antibodies to be effective against. c. Cell-mediated response results in destruction of cells containing the intracellular microorganism; antibodies can not enter cells. d. Intracellular microorganisms are too small for antibodies to be effective against.arrow_forwardWhat type of cell is long fibers with striations and many nuclei which can be controlled voluntarily or involuntarily? a.skeletal muscle cells b.red blood cells c.stratified squamous epithelial cells d.nerve cells e.all of the cell typesarrow_forward
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