Primary reactions means:
a. that they are the first reactions an infant has.
b. that they involve reflexes
c. that they happen first in a sequence
d. that they focus on the infant's own body
D. Primary means that the reaction focuses on the infant's own body.
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Many older people have hearing problems despite good hearing aids. What is a common reason? a. The language areas of the brain deteriorated after inadequate input
b. Action potentials from the ears to the brain travel more slowly than before. c. Rapid production of earwax blocks sound waves in the ear. d. Nerve impulses from the ear do not release enough neurotransmitter.
Answer the following statement(s) true (T) or false (F)
Reading and evaluating past research on a chosen topic is a critical part of the scientific method.
In motor neurons, the axon and the dendrites branch out from the soma in many directions, giving this type of neuron the designation of a ___ neuron
A) multi-fibered motor B) unipolar C) bipolar D) multipolar
A sleepy driver rounds a bend and sees a deer standing in the road
The driver snaps to attention and applies the brakes, averting the accident, because his brain was aroused by the a. parasympathetic nervous system. b. reticular activating system (RAS). c. thalamus. d. pineal gland.