Answer:
Otitis media is generally caused by dysfunction of the Eustachian tube, which can be due to Pharyngitis.
Explanation:
The otitis media is an infection or inflammation of the middle ear and is mostly caused by the inflammation of the mucous membranes in the nasopharynx leading to dysfunction of the Eustachian tube. This can be caused due to a upper respiratory tract viral infection or streptococcal pharyngitis (strep throat) or due to some allergy.
Pharyngitis or sore throat is a type of inflammation caused by upper respiratory tract viral infection.
Therefore, Otitis media can be caused by Pharyngitis and thus it is associated with it.
Answer:
I would say Option B
Explanation:
A controlled experiment is where you have two or more independent variables, that way you have an experiment to compare results with.
Answer:
headache and dizziness
Explanation:
Side effects during nitrate therapy are common.
Headache and dizziness are the most common side effect of nitrates.
Answer:C. Silver Halide Crystals
Explanation:
Silver Halide is light sensitive, therefore exposing it to light will cause a chemical reaction that darkens a film to produce an image.
