BIOLOGY VOL. II
16th Edition
ISBN: 9781308795317
Author: Raven
Publisher: Mcgraw-Hill/Create
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Chapter 42, 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 42 Solutions
BIOLOGY VOL. II
Ch. 42 - Which of the following cavities would contain your...Ch. 42 - Epithelial tissues do all of the following except...Ch. 42 - Prob. 3UCh. 42 - Connective tissues include a diverse group of...Ch. 42 - Prob. 5UCh. 42 - Prob. 6UCh. 42 - The function of neuroglia is to a. carry messages...Ch. 42 - Skeletal muscle cells are a. large multinucleate...Ch. 42 - Connective tissues, although quite diverse in...Ch. 42 - Prob. 1A
Ch. 42 - Prob. 2ACh. 42 - Suppose that an alien virus arrives on Earth. This...Ch. 42 - Homeostasis a. is a dynamic process. b. describes...Ch. 42 - Prob. 5ACh. 42 - The three types of muscle all share a. a structure...Ch. 42 - Suppose that you discover a new disease that...Ch. 42 - Which organ systems are involved in regulation and...Ch. 42 - We have all experienced hunger pangs. Is hunger a...Ch. 42 - Why is homeostasis described as a dynamic process?...
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- Which of the following cells are most different from the others in terms of their location in the body? a. astrocyte b. oligodendrocyte c. microglial cell d. Schwann cellarrow_forwardMeningitis is a viral or bacterial infection of the brain. Which cell type is the first to have its function disrupted during meningitis? a. astrocytes b. microglia c. neurons d. satellite gliaarrow_forwardWhich part of a neuron transmits an electrical signal to a target cell? Choose one answer. a. dendrites b. cell body c. axon d. somaarrow_forward
- The 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_forwardAn elderly neighbor was diagnosed with an astrocytoma tumor in the brain. This cancer affects what types of cell? a. ependymal cells b. microglia c. astrocytes d. satellite cellsarrow_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
- The part of a neuron that contains the nucleus is the a. cell body b. dendrite c. axon d. glialarrow_forwardIn the adult, neurons are an example of which of the following? A. Continuously dividing cells B. Labile cells C. Permanent cells D. Quiescent cells F. Stable cellsarrow_forwardLidocaine is an anesthetic that is used to prevent the propagation of action potentials. Which compartment would lidocaine MOST likely target? A. axon B. dendrite C. soma D. synaptic cleftarrow_forward
- Cytoplasmic extensions of_______ send and receive chemical messages.a. glial cells c. fibroblastsb. neurons d. melanocytesarrow_forwardA neuron may receive signals from thousands of synaptic terminals. What determines whether the receiving neuron will respond by transmitting a signal? a. the concentration of transmitter inside the receiving neuron b. the summation of excitatory and inhibitory signals received c. the number of glial cells contact the receiving neuronarrow_forwardWhich of the following is a function of microglia?A. Microglia remove dead cells and weak synapses.B. Microglia build myelin sheaths that surround and insulate axons.C. Microglia dilate blood vessels to increase blood supply to active brain areas.D. Microglia synchronize activity for a group of neurons.arrow_forward
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