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Flammable materials, like alcohol, should never be used or dispensed near any flame.
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Yes. It is common for a normal, healthy individual to carry potentially pathogenic organisms in their upper respiratory tract.
The human upper respiratory tract serves as a reservoir for a diverse community of commensals and potential pathogens, such as Haemophilus influenzae, Moraxella catarrhalis,etc. which can occasionally develop into pathogens and cause infectious diseases. Viruses are responsible for the majority of upper respiratory tract infections.
Nasal hairs are used to catch debris. Particles are propelled upward and out of the respiratory tract by cilia on the epithelium of the trachea and bronchi. The respiratory system has a feature that guards against infections.
Therefore, It is common for a normal, healthy individual to carry potentially pathogenic organisms in their upper respiratory tract.
Learn more about upper respiratory tract here;
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Velocity is the speed of an object moving in a definite direction. The velocity of an object can be uniform or variable. When an object moving along a straight line at variable speed, we can Express the magnitude of its rate of motion in terms of average velocity.
Average velocity=Initial velocity+Final velocity/2
The SI unit of velocity is m/s.
Answer: Option A. Delusion
Explanation:
A delusion is a belief that is clearly false and that indicates an abnormality in the affected person’s content of thought. The key feature of a delusion is the degree to which the person is convinced that the belief is true.
A person with a delusion will hold firmly to the belief regardless of evidence to the contrary. The false belief is not accounted for by the person’s cultural or religious background or his or her level of intelligence.
