The Mantoux tuberculin skin test (TST) or the TB blood test can be used to test for confirming tuberculosis infection.
What causes tuberculosis?
The bacteria that causes tuberculosis is called Mycobacterium tuberculosis (TB). The other person may inhale droplets containing TB bacteria when a person with active TB disease in their lungs coughs or sneezes. TB is not as contagious even though it spreads similarly to the flu or the common cold. Treatment almost invariably results in TB eradication. An antibiotic course usually needs to be taken for six months. A range of antibiotics is used since some TB strains are resistant to specific drugs. People who, within the previous five years, moved from countries with a high TB incidence and were born abroad, including children.
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10 percent of drivers are between the ages of 15-20
Since pathogens are easily passed from person to person, they need large populations to spread and survive. If they did not have a large population, the pathogens would die out.
Answer:
The correct option is b. myelinated axons from many neurons
Explanation:
White matter is an area which is present in the brain and the spinal cord, that are mainly consists of bundles of myelinated axons, also called tracts. The myelinated axons are the nerve fibres that are surrounded by a lipid-rich substance called myelin.
The presence of the myelin gives the tissue the white colored appearance in contrast to the cerebral cortex which is the grey matter.
Therefore, the myelinated axons from many neurons aggregate together to form the white matter present in the brain and the spinal cord.
Answer:
The correct answer is 5.
Explanation:
The main layers of the skin are <u>from outside to inside:
</u>
- Epidermis
- Dermis
- Hypodermis
The <u>epidermis</u> can also be divided into <em>5 other layers</em> (<u>form outside to inside</u>):
- Stratum corneum: composed of corneocytes without nucleus
- Stratum lucidum: this stratum is <em>only in palms and soles</em>, and gives them the thick skin appearance
- Stratum granulosum: composed of keratinocytes whose nucleus disappear and left a granulated cytoplasm
- Stratum spinosum: keratinocytes connected via desmosomes
- Stratum basale: keratinocytes connected via hemidesmosomes. Melanocytes and Merckel cells can also be found in this layer.