Answer:
"Code Red" and "Code Blue" are both terms that are often used to refer to a cardiopulmonary arrest, but other types of emergencies (for example bomb threats, terrorist activity, child abductions, or mass casualties) may be given "Code" designations too. Colors, numbers, or other designations may follow a "Code" announcement to identify the type of emergency that is occurring.
Explanation:
hope it makes sense
That’s nasty why are you asking this
Answer:
The answer is A tricuspid valve
Explanation:
The tricuspid valve is called that because it has three pillars that are located in the right heart between the atrium and the ventricular idem.
It is responsible for giving way to systematic blood for subsequent oxygenation at the level of the lungs.
A primary reason for needing a new vaccine for influenza each year is that there could be mutation of surface proteins leading to a new outbreak
<h3>What is antigenic drift?</h3>
Antigenic drift is a phenomenon that causes small changes or mutations in the genes of influenza viruses leading to changes in their surface proteins of the virus, which are HA (hemagglutinin) and NA (neuraminidase).
For this reason, new influenza vaccines are produced yearly to alter the effects that may emerge as a result.
Thus, a primary reason for needing a new vaccine for influenza each year is that there could be mutation of surface proteins leading to a new outbreak
Learn more about influenza here:
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