Exam 2 Flashcards
What are the gaps in the myeline sheath callled ?
A. Axon terminals
B. Dendrites
C.Nodes of ranvier
D.Synaptic boutons
Nodes of ranvier
What is another name fro the cell body of a neuron ?
A. Axon
B. Dendrite
C. Soma
D. Synapse
Soma
What type of information carries by the dorsal part of the spinal cord ?
A. Motor information
B. Sensory information
C.Both motor and sensory information
D.Only voluntary actions
Sensory information
What is the flow of information in a synapse ?
A. Bidirectional
B. One-way from presynaptic to postsynaptic cell
C. One-way from postsynatic to presynaptic cell
D. Random
One-way from presynaptic to postsynaptic cell
What is the function of Schmidt-Lanterman clefts ?
A. Produce neurtransmitters
B. Insulate axons
C. Allow cytoplasm to flow through myelin layers
D. Store calcium
Allow cytoplasm to flow through myelin layers
What is the advantage of gap junctions in neuron?
A. No delay in activation
B. unidirectional information flow
C. insulate the axon
D. support the cell structure
No delay in activation
What is the swelling at the end of an axon called ?
A. Axon hillock
B. dendrite
C. soma
D. axon terminal
axon terminal
What is the term for a cell that forms a synaptic ending woth a target cell ?
A. glia cell
B. neuron
C. intterneuro
D.innervation
neuron
What cell contain histamine and peparin in its granules ?
A. Neutrophils
B. Eosinophils
C. Basophils
D. monocytes
Basophils
What is the function of dendrites in neuron ?
A. Transmit electrical signals from the cell body
B. receive information from the periphery
C. store neurotransmitters
D. support the cell structure
receive information from the periphery
What is the primary function of the epineurium?
A. Insulate axon
B. surround nerve bundles
C. produce neurtransmitters
D. store calcium
surround nerve bundles
what size range is typical for monocytes ?
A. 20-25 microns
B. 7-10 microns
C. 10-14 microns
D. 12-18 microns
12-18 microns
What are the three main types of cartilage ?
A. hyaline, elastic, fibrocartilage
B. hyaline, reticular,elastic
C. elastic, reticular, fibrocartileage
D. hyaline, reticular, fibrocartile
hyaline, elastic, fibrocartilage
What type of fibers are typically found in bone tissue ?
A. Type II collagen fiber
B. reticular fibers
C. elastic
D. Type I collagen fiber
Type I collagen fiber
what is another name for spongy bone ?
A. comoact bone
B. trabecular bone
C. cortical bone
D. marrow cavity
trabecular bone
What is the primary function of the compact bone?
A. Blood cell production
B. store fat
C. protect the brain
D. provide strength and support
provide strength and support
where are bolld cell produced in the bone ?
A. Diaphsis
B. epiphsis
C. marrow cavity
D. compact bone
marrow cavity
What type of cells differentiate into osteoblast during formation ?
A. Fibroblasts
B. osteoclasts
C. chondrocytes
D. mesenchymal cells
What type of cells differentiate into osteoblast during formation ?
A. Fibroblasts
B. osteoclasts
C. chondrocytes
D. mesenchymal cells
what is the primary source of vitamin D for bone health ?
A. sun exposure
B. dairy products
C. supplement
D. All of the above
supplement
