BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 29, Problem 5SA
Summary Introduction
Introduction:
A neuron is a signaling cell in nervous tissue. Information flows from sensory neurons to motor neurons through interneurons in vertebrates.
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A(n) ________ neuron has one axon and one dendrite extending directly from the cell body. a. unipolar b. bipolar c. multipolar d. pseudounipolar
_____relay messages from the brain and spinal cord to muscles and glands. a. Motor neurons c. Interneurons b. Sensory neurons d. Neuroglia
The ____ cannot be controlled by conscious thought.
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Chapter 29 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 29 - ______ relay messages from the brain and spinal...Ch. 29 - Prob. 2SACh. 29 - Action potentials occur when ______. a. potassium...Ch. 29 - Neurotransmitters are released by _______. a. axon...Ch. 29 - Prob. 5SACh. 29 - Prob. 6SACh. 29 - Prob. 7SACh. 29 - Prob. 8SACh. 29 - Prob. 9SACh. 29 - Prob. 10SA
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- Neurotransmitters are released by_____ . a. axon terminals c. dendrites b. a neuron cell body d. glial cellsarrow_forwardVThe strengthening of synaptic connections by repetition is called _________ A.neuroplasticity B.neurogenesis C.apoptosis D.tuningarrow_forwardThe cells responsible for the transmission of the nerveimpulse are ________. a. neuronsb. oligodendrocytesc. astrocytesd. microgliaarrow_forward
- Match each type of neuroglial cell with its correct function._____ Schwann cells a. Phagocytic cells of the CNS_____ Ependymal cells b. Surround the cell bodies of_____ Microglial cells neurons in the PNS c. Create the myelin sheath in the PNS_____ Oligodendrocytes d. Anchor neurons and blood vessels, maintain extracellular nvironment around neurons, assist in repair of damaged brain tissue_____ Satellite cells e. Create the myelin sheath in the CNS_____ Astrocytes f. Ciliated cells in the CNS…arrow_forwardThe membrane of a neuron is composed of __________ with __________ embedded in them. a. proteins; neurotransmitters b. lipids; proteins c. carbohydrates; purines d. benzene molecules; carbohydrates Which cell type sends out axons that become the optic nerve? a. bipolar b. ganglion c. horizontal d. amacrinearrow_forwardThe optic nerve is formed by __________. a. ganglion cell dendrites b. ganglion cell axons c. bipolar cell dendrites d. bipolar cell axonsarrow_forward
- An 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_forwardWhat type of cells serve the needs of delicate neurons by bracing and protecting them? Are they capable of generating and transmitting nerve impulses? A. ganglia, no B. ganglia, yes C. neuroglia, yes D. neuroglia, no What type of cells myelinate the cytoplasmic extensions of neurons? A. oligodendrocytes and schwann cells B. microglial cells C. astrocytes D. ependymal cells Which structural classification of neurons has only one very short process that extends from the cell body and divides into peripheral and central processes? A. anaxonic neurons B. multipolar neurons C. unipolar neurons D. bipolar neuronsarrow_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_forward
- a. gray matter b. white matter c. myelinated fibers d. unmyelinated fibers e. nodes of Ranvier Match the description to the appropriate term. a. gray matter b. white matter c. myelinated fibers d. unmyelinated fibers e. nodes of Ranvier ____ 1. Contains myelinated fibers ____ 2. Contains neuron cell bodies and unmyelinated fibers ____ 3. Axons that are white in color and conduct nerve impulses faster ____ 4. Axons that are gray in color ____ 5. Gaps in the myelin sheatharrow_forwardThe darker area that surrounds the outer most part or “bark” of the brain is made up of mostly___. A. Unmylinated axons B. Mylinated axons C. Glial cell bodies D. Even combination of mylinated axons and cell bodies E. Nueron cell bodiesarrow_forwardDefective or missing______ cause color blindness.a. hair cells c. cone cellsb. rod cells d. neurogliaarrow_forward
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Nervous System - Get to know our nervous system a bit closer, how does it works? | Neurology; Author: FreeMedEducation;https://www.youtube.com/watch?v=6O-0CVAgaEM;License: Standard youtube license