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Fofino [41]
2 years 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]2 years 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

#SPJ1

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Which one of the following does not belong to this set of bone types?
Anit [1.1K]

Answer:

C) Cancellous bone

Explanation:

Bones in the body are composed of 2 types of tissues:

1. Compact bone: <u>Compact bone</u> is also called as <u>cortical bone</u>, a <u>dense bone</u>. It is hard outer layer that is strong, dense and durable. Compact bone makes up almost 80% of adult bone mass.

2. Cancellous bone: The bone contains a network of rod-like structures. They are less dense and more flexible than compact bones.

Option A, B and D belong to one type of bone.

Thus C is the answer

8 0
3 years ago
3. Pt weighs 130lb. Order is to give 70mg of Medication X in 1 Liter of IV solution. Infusion rate is 0.2mg/kg/hr. How much flui
Blizzard [7]

Answer:

Pt weighs 130lb. Order is to give 70mg of Medication X in 1 Liter of IV solution. Infusion rate is 0.2mg/kg/hr

Explanation:

5 0
3 years ago
Define the following:
Paha777 [63]

Answer:

Ground substance:

Ground substance may be defined as the component of extracellular matrix that made up of proteoglycans. The main function of ground substance is to resist the compressive forces.

Collagen fiber:

Collagen fiber may be defined as a type of protein fiber that provides strength to the organism. Collagen fibers are present within the matrix of the cell.

Elastic fiber:

Elastic fiber are presnt in bundles in the extracellular matrix. The amorphous elastin is present in the elastic fiber. This fiber provide elasticity to the cells.

Reticular fiber:

Reticular fiber composed of the type III collagen. The reticular fiber acts as the supportive mesh of the liver and bone marrow. Reticular fiber was discovered by  M. Siegfried.

3 0
3 years ago
After applying a dressing to an arterial bleed, you notice that the dressing becomes soaked with blood. You should:
Alina [70]

Answer: B) replace the dressing with another dressing

Explanation:

An arterial bleed involves the continous flow of blood which if not controlled can lead to problems such as anemia or may even be fatal.

The dressing which is soaked with blood should be replaced with another as the blood may leak out of the soaked dressing.

5 0
3 years ago
The 59-year-old client has peptic ulcer disease and is started on sucralfate. what is an appropriate nursing diagnosis related t
Advocard [28]

The 59-year-old client has peptic ulcer disease and is started on sucralfate.t is this an appropriate nursing diagnosis related to this medication Impaired bowel elimination: constipation.

The most commonplace reasons for peptic ulcers are infection with the bacterium Helicobacter pylori (H. pylori) and long-time period use of nonsteroidal ills (NSAIDs) inclusive of ibuprofen (Advil, Motrin IB, others) and naproxen sodium (Aleve). stress and spicy foods no longer cause peptic ulcers.

Peptic ulcers occur while acid in the digestive tract eats away on the internal floor of the stomach or small intestine. The acid can create a painful open sore which could bleed. Your digestive tract is lined with a mucous layer that normally protects against acid.

The maximum not unusual causes of peptic ulcers are infection with the bacterium Helicobacter pylori (H. pylori) and lengthy-term use of nonsteroidal drugs (NSAIDs) consisting of ibuprofen (Advil, Motrin IB, others) and naproxen sodium (Aleve). pressure and spicy foods do not cause peptic ulcers.

Learn more about peptic ulcers here:

brainly.com/question/11736884

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5 0
2 years ago
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