QUESTIONS AND ANSWERS (A+ SOLUTION)
The two contractile proteins that make up the myofilaments of skeletal muscle are
__________________ and _________________. - ANSWER ✔ - Actin & myosin
Name the two types of striated muscle. ________________ and _______________. - ANSWER ✔ -
Skeletal and cardiac
Name the two types of involuntary muscle. ________________ and _______________. - ANSWER ✔ -
Cardiac and smooth
The different types of muscle tissue differ from each other by
A. Microscopic anatomy
B. Location
C. Type of control (whether voluntary or involuntary)
D. All of these choices are correct - ANSWER ✔ - D. All of these choices are correct
The brain and spinal cord compose the ___________.
A. Central nervous system
B. Peripheral nervous system
C. Autonomic nervous system
D. Enteric nervous system - ANSWER ✔ - A. Central nervous system
The sensory, or afferent, division of the peripheral nervous system carries information from the brain
and spinal cord to effector organs.
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, A. True
B. False - ANSWER ✔ - B. False
The short, branched cytoplasmic extensions that allow neurons to receive input signals are called
_________.
A. Axons
B. Somata
C. Dendrites
D. Synapses - ANSWER ✔ - C. Dendrites
Neurons that relay information within the CNS and are the location of information processing are
called___________.
A. Interneurons
B. Efferent neurons
C. Sensory neurons
D. Motor neurons - ANSWER ✔ - A. Interneurons
The small phagocytic cells that engulf debris and pathogens in the CNS are the ___________.
A. Microglia
B. Satellite cells
C. Ependymal cells
D. Oligodendrocytes - ANSWER ✔ - A. Microglia
Dark-staining clusters of RER and ribosomes in neurons are called _________.
A. Dendrites
B. Nodes of Ranvier
C. Neurofibrils
D. Nissl bodies - ANSWER ✔ - D. Nissl bodies
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