Answer: The correct answer is (D) Both A and B
Explanation:
When an axon is depolarized at halfway to the threshold level,the action potential will be generated that would travel 'downstream' i.e towards the synapse and 'upstream' i.e back towards the cell body. This is because both channels on either sides are not under refractory period,i.e they are open.
Answer:
During a pandemic, jurisdictions should be alert for disputes among communities over the distribution of vaccines (option A).
Explanation:
A pandemic refers to the <u>emergence of a contagious disease that has spread in 3 or more regions around the world</u>. The declaration of a disease as a pandemic is the responsibility of the World Health Organization
.
One of the most effective therapies to combat a pandemic is the timely administration of vaccines against the disease, which should be widely distributed in an equitable and sufficient manner. <u>One of the roles of each jurisdiction is to ensure that vaccines are administered and to avoid disputes and conflicts that may arise between different communities out of concern about a pandemic.</u>