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Fofino [41]
1 year ago
11

A primary reason for needing a new vaccine for influenza each year is that _____. see concept 43.4 (page)

Medicine
1 answer:
kiruha [24]1 year ago
8 0

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:

brainly.com/question/12975693

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HF and F- are a conjugate acid-base pair.<br><br> Select one:<br> True<br> False
Ilia_Sergeevich [38]
True
Explanation:Whenever an acid donates a proton, the acid changes into a base, and whenever a base accepts a proton, an acid is formed. An acid and a base which differ only by the presence or absence of a proton are called a conjugate acid-base pair. ... Similarly, HF is the conjugate acid of F–, and F– the conjugate base of HF


Hopes it helps:)
5 0
3 years ago
A client is learning to prepare meals for the family based on the healthy U.S.-style eating pattern. How many servings of dairy
Aleksandr-060686 [28]

3 cups servings of dairy should the nurse recommend be included each day

The US Department of Agriculture's MyPlate program recommends making half your plate fruits and vegetables. The American Heart Association (AHA) recommends four to five servings each of fruits and vegetables daily

<h3>What is the healthy US style eating pattern ?</h3>

A wholesome American eating pattern is: Based on the kinds of foods that Americans frequently eat. This eating pattern emphasises a variety of fruits, vegetables, whole grains, dairy products that are fat-free or low-fat, fish, poultry, and meat, as well as eggs, nuts, seeds, and soy products.

  • Make informed eating decisions, strike a healthy balance between food and exercise, maximise your calorie's nutritional value, and handle food securely.

Learn more about Eating pattern here:

brainly.com/question/1616084

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7 0
1 year ago
What process transports blood back and forth between the heart and lungs?​
lorasvet [3.4K]

Answer:

Pulmonary circulation

Explanation:

is the movement of blood from the heart to the lungs for oxygenation, then back to the heart again. Oxygen-depleted blood from the body leaves the systemic circulation when it enters the right atrium through the superior and inferior venae cavae.

4 0
2 years ago
Inflammation of the small intestine caused by eating or drinking substances contaminated with viral and bacterial pathogens true
Free_Kalibri [48]

It is True.

Inflammation of the small intestine caused by eating or drinking substances contaminated with viral or bacterial pathogens is called enteritis.

<h3>What is called inflammation?</h3>

Inflammation is a necessary aspect of the healing process in your body. It happens when inflammatory cells migrate to the site of an injury or foreign substance, such as bacteria. Chronic inflammation may result if inflammatory cells remain for an extended period of time.

<h3>What causes inflammation of the small intestine?</h3>

The inflammation of your small intestine is known as enteritis. It might also affect your stomach (gastroenteritis) or colon (enterocolitis). It is frequently the result of a viral, bacterial, or parasitic illness (food poisoning, stomach bug or the stomach flu). It can be caused by radiation, medications, or illness.

To learn more about inflammation from the given link

brainly.com/question/14673970

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7 0
1 year ago
Which lymphatic structure is most important in an unborn child up until the age of adolescence? spleen adenoids tonsils thymus
joja [24]

Answer:

Adenoids

Explanation:

They help the immune system fight off viruses and bacteria. They become less important as we age.

4 0
3 years ago
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