Which statement correctly describes why children are more susceptible to infectious diseases?
A. Children are not as clean as adults.
B. Children inherit this susceptibility from their parents.
C. Children are not more susceptible to infectious diseases.
D. A child's immune system is not fully developed and continues to mature throughout childhood.
Answer: D
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When the summed total of postsynaptic potentials rises above threshold, creation of action potentials occurs
a) in the synaptic cleft. b) in the dendrites. c) at the trigger zone. d) in the neuron nucleus. e) in the neuroplasm.
Muscles that act as synergists seem to have valuable functions, especially in stabilizing joints. Briefly explain their function.
What will be an ideal response?
Along a neuron, an action potential normally travels from the dendrites to the cell body to the axon
Indicate whether the statement is true or false
A patient with Parkinson disease will have difficulty initiating skeletal muscle movements because the nigrostriatal dopamine system, degenerated in Parkinson disease, is part of the primary motor cortex.
Answer the following statement true (T) or false (F)