Which Best Explains Most of the Effects of Hyperthyroidism on the Cardiovascular

question 2

Multiple Choice

Which best explains most of the effects of hyperthyroidism on the cardiovascular system?

• A)compensatory increased activity by the parasympathetic nervous system
• B)compensatory decreased activity by the sympathetic nervous system
• C)up-regulation of beta-adrenergic receptors by thyroid hormone
• D)decreased utilization of iodine consequently leaving largely unused amounts in the bloodstream
• E)destruction of adrenergic receptors by high levels of circulating thyroxine

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Definitions:

Molecular Tags

Specific molecules or biochemical markers that are attached to certain proteins or DNA/RNA sequences, enabling their identification and tracking within cellular processes.

Neurotransmitter Levels

The concentration of chemicals in the brain that transmit signals across synapses between neurons, influencing mood, thought processes, and behavior.

Serotonin

A chemical messenger in the brain that promotes sensations of happiness and overall well-being.

Antidepressant Drugs

Medications prescribed to alleviate symptoms of depression by adjusting chemical imbalances in the brain neurotransmitters.