In the united states, tuberculosis is increasing in frequency due to homelessness and other diseases.
Tuberculosis (TB) is a bacterial infection spread through inhaling tiny droplets from the coughs or sneezes of an infected person. It mainly affects the lungs, but it can affect any part of the body, including the tummy (abdomen), glands, bones and nervous system.
TB is a potentially serious condition, but it can be cured if it's treated with the right antibiotics.
Typical symptoms of TB include:
- a persistent cough that lasts more than 3 weeks and usually brings up phlegm, which may be bloody
- weight loss
- night sweats
- high temperature
- tiredness and fatigue
- loss of appetite
- swellings in the neck
TB that affects the lungs (pulmonary TB) is the most contagious type, but it usually only spreads after prolonged exposure to someone with the illness. In most healthy people, the body's natural defence against infection and illness (the immune system) kills the bacteria and there are no symptoms.
Sometimes the immune system cannot kill the bacteria, but manages to prevent it spreading in the body. You will not have any symptoms, but the bacteria will remain in your body. This is known as latent TB. People with latent TB are not infectious to others.
If the immune system fails to kill or contain the infection, it can spread within the lungs or other parts of the body and symptoms will develop within a few weeks or months. This is known as active TB.
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i'm too lazy to write that down for you but i can help you with a few points. Those are(i am relating this case to smoking):
>delicate lining of the lungs is damaged.
>cilia in the lining is damaged.
>since,cilia number is low, the lungs do not get cleaned often.
> spasms in the bronchi of the lungs, causing difficulty breathing.
>damaged lungs being much harder and more brittle.
An imbalance in blood glucose levels causes "C. diabetes" although is should be noted that it takes a prolonged and special kind of imbalance. Brief imbalances won't cause diabetes.
Answer:
1, 5, 2, 3, 4
Explanation:
There are several enzymes involved in DNA replication and the step by step process of replication along with enzymes involved is as follows
a) Helicase is the first enzyme to act and it has a very important role in replication. Helicase unwinds the double helix of DNA
b) Single strands binding proteins prevent reattachment of DNA helix
c) Topoisomerase is responsible for relieving or inducing supercoils
d) The primase then lay the starting blocks made from RNA
e) DNA polymerase enzyme III lay the DNA from 5 prime to 3 prime.
f) DNA polymerase enzyme I then do half ladder replication
g) DNA Ligase links all the fragments.
Hence, the correct sequence is 1, 5, 2, 3, 4
Answer:
If the cells are submerged in pure distilled water, each cell will absorb water from the environment where it is located, increase its volume and possibly break.
Explanation:
The cells maintain an osmotic balance relationship between their cytoplasm and the extracellular space, that is, the cell is isotonic with the medium.
When a cell is exposed to a hypotonic medium -such as that which provides pure distilled water- water will pass through osmosis from the extracellular space to the cytoplasm, causing the cell to increase in volume (swell) and the increase in internal pressure can Make it break.
<u>In osmosis, water passes from space with less concentration of solutes to the highest concentration</u>.
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