Cells that support and nourish nervous tissue are called glia. Correct answer: B They are the supportive cell of the central nervous system, because they support, protect, and nourish the neuron. There are four kinds: astrocytes, microglia, ependymal cells, and oligodendrocytes.
b. False
Alcohol consumption is often led to aggression. hence, the given statement is false.
Alcohol is a drug that affects the central nervous system. It belongs in a class with barbiturates, minor tranquilizers, and general anesthetics, and it is commonly classified as a depressant.
The effect of alcohol on the brain is rather paradoxical. Under some behavioral conditions alcohol can serve as an excitant, under other conditions as a sedative. Alcohol interferes with cognitive control functions and can lead to narrowed perception and therefore aggression.
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It is false that portable alcohol breath testing devices cannot be used for persons under the age of 21".
Accuracy depends on the sample of breath being deep lung air (alveolar air). As the driver breathes out, the device continuously monitors the expired air using an infrared cell. The concentration of ethanol climbs as expiration continues, and when the level of ethanol stabilizes, the sample of breath is analyzed.
Attach a mouthpiece to the breathalyzer. Press and release the power button. Wait for the unit to warm up to optimal test conditions until the display shows "blow". Blow into the mouthpiece for approximately 4 seconds.
Therefore, the correct answer will be " it is false that portable alcoholbreath testing devices cannot be used for persons under the age of 21".
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Answer:
d. Hepatitis A
Explanation:
Hepatitis A is typically considered a reportable illness because it is a contagious disease that can have public health implications. When cases of Hepatitis A are reported to the regulatory authority or public health department, it allows them to track and investigate outbreaks, identify potential sources of infection, and take measures to prevent further transmission of the disease within the community. This reporting helps protect public health and prevent the spread of the illness to others.
Hope this helps!
b. caffeine
c. alcohol
d. marijuana