With Training, What Changes Will Occur in the Muscles of the Lower

question 166

Multiple Choice

With training, what changes will occur in the muscles of the lower limbs of a marathon runner?

• A) Development of more extensive capillary networks; cells develop more mitochondria
• B) Formation of more actin and myosin, causing enlargement of muscle fibers
• C) Loss of myoglobin and reduction in size of muscle fibers
• D) Drastic increase in number of muscle fibers

Understand the use of comparison and logical operators in database queries.

Recognize the utility of aggregate functions in queries for statistical analysis.

Understand how to modify field properties and captions in query results to enhance readability and interpretation.

Understand how to calculate the return on assets for a segment.

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Definitions:

Neuromuscular Junction

The synapse or junction where the motor neuron communicates with the skeletal muscle fiber to initiate muscle contraction.

Synaptic Vesicles

Membrane-bound sacs within a nerve cell (neuron) that contain neurotransmitters, which are released into the synaptic cleft to transmit signals between neurons.

Synaptic Cleft

The small gap between neurons at a synapse, through which neurotransmitters are released to transmit nerve impulses.

Presynaptic Terminal

The end point of a neuron that communicates with another neuron or muscle cell across a synapse, releasing neurotransmitters to transmit nerve impulses.