Answer:
Post-operative sensitivity and damage to the pulp
Explanation:
Protective bases are applied to the pulp during the process of dental operations. These protective bases are usually applied in a thickened manner. This helps to prevent post operative sensitivity to substances such as cold sensations. The pulp is also protected as a result of the application of protective bases.
This makes Protective bases being placed when it is necessary to protect the pulp before the restoration is placed in order to prevent Post-operative sensitivity and damage to the pulp valid.
Answer: Option A. "Cytoskeleton"
Explanation:
Cytoskeleton can be defined as the network of protein filaments in the cytoplasm eukaryotic cells interlinking from cell nucleus to cell membrane.
There are three basic types of protein fibers present in cytoskeleton that includes micro filaments (Actin filaments ), microtubules and intermediate filaments.
Microfilaments are consist many linked monomers of a protein known as actin, that combines in a double helix with a diameter of about 7 nano-meter and functions as serving tracks for myosin (motor protein).
Microtubules are arranged in a form of hollow straw like structure made up of consist of tubulin proteins having diameter of about 25 nano-meter and further consist of two subunits, α-tubulin and β-tubulin.
Intermediate filaments are the cytoskeletal element which are made up of multiple strands of fibrous proteins wounded together having an average diameter of 8 to 10 nano-meter.
TLDR: Antibiotics must be taken several weeks to fully kill the bacteria. Else, surviving bacteria develops drug resistance.
Antibiotic prescription really depends on the patient's condition. Some conditions like major surgery or diseases that cause immunosuppression are more prone to bacterial infection, thus they must take antibiotics for prolonged periods of time to fight their current infections or prevent further infections.
Antibiotics, as a general rule, must be given 7 days or several weeks (depending on the bacteria/pathogen) to be sure that all the disease-causing bacteria are dead. If the drugs are taken only until symptoms fade, the surviving bacteria (now fewer in number and not causing symptoms) will develop mutations that may help resist the previously-taken antibiotic, giving rise to drug resistance.
Thus, Arjun must take the antibiotics for several weeks more (according to the doctor's orders, of course) to kill all remaining bacteria and also to prevent bacterial drug resistance. Which is really problematic, since we're slowly losing our number of effective antibiotics.
A <u>reservoir</u> is the primary habitat in the natural world from which a pathogen comes.
<h3>Pathogen:</h3>
An organism that causes the disease is called a pathogen. Your body is already teeming with bacteria. However, these organisms only become an issue if your immune system is compromised or if they are able to get into an area of your body that is typically sterile. Different from other organisms, pathogens can spread disease once they enter the body. A host is all that a pathogen requires to grow and survive.
The pathogen enters a host's body, avoids the immune system's defenses, and uses the host's resources to replicate before leaving and infecting a new host. Depending on the type, there are various methods by that pathogens can be spread. They can be transmitted by skin-to-skin contact, biological fluids, airborne particles, feces, touching a surface, and more. The reservoir is any population of organisms (or any environment) that harbors the pathogen and transmits it to the target population.
Learn more about pathogens here:
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