Myofibrils are made from thick and round filaments.
a. True
b. False
Indicate whether the statement is true or false
(
Question 2) The standard treatment for Parkinson's disease is the administration of
a. hypocretin
b. pure dopamine
c. nitric oxide
d. neuregulin
e. levodopa
(
Question 3) Viewed with an electron microscope, a myofibril displays alternating dark bands (the A bands) and light bands (the I bands).
a. True
b. False
Indicate whether the statement is true or false
(
Question 4) A region on the medial surface of each cerebral hemisphere that brings about complex patterns of movement, such as opening and closing the hands, is the
a. angular gyrus
b. premotor cortex
c. posterior parietal cortex
d. supplemental motor area
e. prefrontal association area
(
Question 5) Muscles are categorized as striated (skeletal and cardiac muscle) or unstriated (smooth muscle).
a. True
b. False
Indicate whether the statement is true or false
(
Question 6) Neurons in the cerebral cortex that are responsible for initial processing of sensory input to the cortex are
a. pyramidal cells
b. afferent neurons
c. stellate cells
d. sensory neurons
e. either b or d
(
Question 7) What phenomenon enables smooth muscle to maintain tension with comparatively less ATP consumption, as compared to skeletal muscle?
a. stretch phenomenon
b. jump phenomenon
c. piggy back phenomenon
d. click phenomenon
e. latch phenomenon
(
Question 8) Cells that normally protect the brain but may also be responsible for certain neurodegenerative diseases are
a. astrocytes
b. microglia
c. oligodendrocytes
d. meningeal cells
e. stellate cells
(
Question 9) What does smooth muscle contain that enables it to stretch much more than skeletal muscle?
a. calcium
b. glucosamine
c. sarcomeres
d. connective tissue
e. microfilaments
(
Question 10) The act or process of knowing, including both awareness and judgment is called
a. habituation
b. conscientiousness
c. potentiation
d. cognition
e. sensitization
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