If Households Save $30 Billion More at Each Level of Income

question 91

Multiple Choice

If households save $30 billion more at each level of income and the marginal propensity to consume (MPC) is 0.9,the aggregate expenditure line will _____.

• A)intersect the 45-degree line at a real GDP of $30 billion
• B)shift upward by $30 billion
• C)shift downward by $30 billion
• D)shift upward by $300 billion because of the multiplier effect
• E)shift downward by $300 billion because of the multiplier effect

Identify the factors influencing neuronal development and maturation.

Recognize the continual development of neurons in certain brain regions across the lifespan.

Describe the process and significance of synaptic pruning in brain development.

Explain the role of external factors such as stress in genetic expression relevant to brain development.

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Definitions:

Neurotransmitter Molecules

Chemicals that transmit signals across a synapse from one neuron to another target neuron.

Sending Neuron

A neuron that transmits a chemical or electrical signal to another neuron across a synapse during neurotransmission.

Excitatory Signals

Neural impulses that increase the likelihood of a neuron firing, leading to an action.

Action Potential

A short-lasting event in which the electrical membrane potential of a cell rapidly rises and falls, allowing neurons to transmit signals over distances.