Match these terms with their descriptions.
1. carry primarily efferent signals from the brain
2. projections of white matter that remain in the spinal cord
3. projections of white matter that remain in the spinal cord
4. projections that carry sensory information to the brain
5. myelinated axons with very few cell bodies
A. gray matter
B. white matter
C. ascending tracts
D. descending tracts
E. propriospinal tracts
1. D. descending tracts
2. E. propriospinal tracts
3. A. gray matter
4. C. ascending tracts
5. B. white matter
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The term superior means toward the head.
Answer the following statement true (T) or false (F)
The portion of the digestive tract that receives food directly from the oral cavity is the ________.
A. esophagus B. larynx C. laryngopharynx D. nasopharynx E. oropharynx
The hypothalamus
A. is located superior to the thalamus. B. is located inferior to the pituitary gland. C. rests in the sella turcica. D. is also called the neurohypophysis. E. regulates the secretory activity of the anterior lobe of the pituitary gland.
With regard to reversible chemical reaction rates, which of the following statements is true?
A. Decreasing the concentration of the reactants will increase the forward reaction rate. B. Increasing the temperature will increase the forward and reverse reaction rate. C. Increasing the activation energy will increase the forward reaction rate. D. Increasing the concentration of the products will increase the forward reaction rate. E. As a reaction progresses, the rate of the forward reaction increases as the concentration of reactants decreases.