Chemical and Microscopic Changes That Invalidate a Urine Specimen Occur

question 87

Multiple Choice

Chemical and microscopic changes that invalidate a urine specimen occur if the urine is kept at room temperature for more than ____.

• A) 2 minutes
• B) 5 minutes
• C) 20 minutes
• D) 30 minutes
• E) 1 hour

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Definitions:

Bipolar Disorder

A mental health condition characterized by extreme mood swings, including episodes of depression and mania.

Serotonin

A neurotransmitter that contributes to feelings of well-being and happiness, also involved in regulating mood, appetite, and sleep.

Dopamine

A neurotransmitter in the brain that plays a key role in reward, motivation, memory, attention, and even regulating body movements.

Acetylcholine

A neurotransmitter in both the peripheral and central nervous systems that plays crucial roles in the stimulation of muscle cells and in various aspects of cognitive function, including memory.