Which structure makes up most of the floor of the midbrain?
a. tectum
b. cerebral peduncle
c. cerebral aqueduct
d. superior colliculi
Answer: b. cerebral peduncle
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Indicate whether the statement is true or false
___________ is/are not stored in the secretory cell after being synthesized
a. Peptides b. Catecholamines c. Steroids d. Thyroid hormone e. b and c
Which of the following observations confirms the sliding filament mechanism for muscle contraction?
a. As the sarcomere shortens, the H zone becomes smaller. b. As the sarcomere shortens, the width of the A band remains the same. c. As the sarcomere shortens, the I band becomes smaller. d. Two of these. e. All of these.
What portion of the diencephalon acts as a relay station for sensory impulses traveling upward to the sensory cortex?
A) pons B) pituitary gland C) thalamus D) hypothalamus