Answer:
Hepatitis A
Explanation
Hepatitis A is caused by is caused by Hepatitis A virus which infects the liver and causes an inflammation.
The virus for Hepatitis A is spread through eating or drinking something contaminated with fecal matter and it is highly contagious.
However, it is preventable by vaccination.
Since it is a food borne disease which is highly contagious, a food handler has to be excluded from operation and a medical practitioner has to determine when the person can resume to avoid further transmission.
The plasma membrane is the membrane that surrounds cells and controls what comes in and what goes out of that cell. It is made up of layers of phospholipids whos tails are nonpolar (no charge) and the heads of the Phospholipids are Polar (have a charge).
Answer:
True.
Explanation:
Proliferative retinopathy may be described as a medical condition in which the new and weak blood start to form on retina and restores the blood supply. This condition may also develop in diabetic patient.
This is a diabetic microvascular disease that can affect the physiology of eyes. The individual has the threat to vision because new blood vessels grows on retina from the vitreous.
Thus, the answer is true.
The absolute threshold for human vision is the ability to see a candle from 30 miles away on a dark night