Which of the following would most likely involve the tectum?
A) Raising your body temperature on a cold night.
B) Deciding to bet all of your chips in a poker game.
C) Remembering where you left your keys.
D) Ducking just in time to avoid being hit by a sudden foul ball at a baseball game.
Answer: D
Rationale: A midbrain structure called the tectum coordinates sensation of motion with actions. For example, responding to rapid, sudden movements by flinching, ducking, or otherwise protecting yourself.
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In situations in which true danger exists, such as in military combat, the rapid response of which part of the limbic system may aid survival?
a. hippocampus b. hypothalamus c. thalamus d. amygdala
Which of the following ion channel events will produce an EPSP?
A) opening a sodium channel B) closing a sodium channel C) opening a potassium channel D) opening a manganese channel E) closing a calcium channel