Which of the following is not considered a special movement that occurs at only certain joints?
a) Depression
b) Protraction
c) Elevation
d) Supination
e) All of these are special movements
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Question 2) Which of the following statements accurately describes the solutes within a solution?
A. Water is the universal solute, and solutes are more abundant in solutions than solvents are. B. The solutes are not visible, do not scatter light, and do not settle if the solution is left standing. C. Solutes are greater than 100 nanometers in size, and will settle out of solution if the mixture is left standing. D. Solutes are between 50 and 100 nanometers in size; they do not scatter light but will settle out of solution if left standing.
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Question 3) Which of the following types of neurons would normally have the shortest axon?
a) Somatic motor neurons
b) Preganglionic parasympathetic neurons
c) Postganglionic sympathetic neurons
d) Preganglionic sympathetic neurons
e) Somatosensory neurons.
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Question 4) When solution concentration is measured in moles of solute per kilogram of solvent, that measurement is known as _________.
Fill in the blank with correct word.
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Question 5) Blood has been described as an example of a suspension, and soda has been described as a solution. Define these two categories of mixtures and provide different examples of each type.
In the examples you provide, explain the molecular properties (approximate size, polarity) of the substances that mix with water.
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Question 6) An emulsion is a combination of water and a nonpolar liquid that have been forcibly mixed.
Indicate whether this statement is true or false.
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Question 7) Cerebrospinal fluid carries small amounts of chemicals like glucose from the _____ to neurons and neuroglia.
a) interstitial fluid
b) bile
c) intracellular fluid
d) arachnoid space
e) blood
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Question 8) Which white matter tracts of the spinal cord carry sensory information?
a) Ascending tracts
b) Descending tracts
c) Integration tracts
d) Columnar tracts
e) Epidural tracts
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Question 9) What structure in the diagram is the only place on a long bone NOT covered by the periosteum?
a) A
b) B
c) C
d) D
e) E
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Question 10) Calcium ions are released from the sarcoplasmic reticulum into the cytosol
a) at the beginning of a contraction.
b) in response to acetylcholine binding to Ca2+ release channels.
c) by active transport using Ca2+ pumps in the SR membrane.
d) after the contraction ends.
e) All of these answers are correct.
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