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Bingel [31]
3 years ago
14

Mrs Jones is a 55 year old woman, she is 5'6" tall and weighs 140 lbs (63.6 kg). She has suffered a stroke and is unable to eat;

therefore, she is receiving a tube feeding. The tube feeding ordered for her provides: 1 calorie/mL and 40 grams of protein/1000 mL. It is infusing at a rate of 50 mL/hour for 24 hour
Medicine
1 answer:
Liula [17]3 years ago
4 0

Given that,

Age of Mrs Jones = 55 years

Height = 5'6''

Weight = 140 lb = 63.6 kg

The tube feeding ordered for her provides:

1 cal/mL and 40 grams of protein/1000 mL.

It is infusing at a rate of 50 mL/hour for 24 hour.

Suppose, We need to find her protein needs per day

We know that,

According to the DRI, 0.8 gram of protein per kg of body weight is required protein per day.

Thus,

We need to calculate her protein needs per day

Using formula for protein needs per day

Protein = 0.8\times W

Put the value of weight

Protein = 0.8\times63.6

Protein = 50.88\ g

Hence, 50.88g of protein are needed per day for Mrs jones.

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If the half-life of a radioactive element is 16.0 years, what percentage of the original sample would be left after 48.0 years?
elena55 [62]

Answer:

12.5%

Explanation:

year 0 = 100%

year 16 = 50%

year 32= 25%

year 48= 12.5%

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Which term describes the role of the spleen in removing and destroying wornout red blood cells?
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The specialized lymph capillaries located in the small intestine? An antigen in any substance that the body regards as foreign. Lymphocytes are specialized red blood cells that attack specific microorganisms. B cell are most effective against viruses and bacteria that are circulating in the blood.
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Common, wear-and-tear arthritis, in which repeated use of a joint gradually wears down the articular cartilage, is known as
Irina18 [472]

Osteoarthritis is the repeated use of a joint which gradually wears down

the articular cartilage.

<h3>What is a Cartilage?</h3>

These are soft connective tissues which are found between bones which

helps to ensure flexibility and reduce friction.

In most old people, these cartilages being to wear out thereby increasing

the friction between the bone joints. This leads to osteoarthritis which is

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7 0
2 years ago
Be able to describe the cardiac cycle using the appropriate chambers, valves, and vessels. What are the stages of the cardiac cy
Natasha_Volkova [10]

Answer:

The heart beat sequence is the sequence of events that occurs when the heart beats. As the heart beats, blood circulates through the pulmonary and systemic circuits of the body. There are two stages of the heart beat cycle: the diastole phase and the systole phase. In the diastole phase, the ventricles of the heart relax and the heart fills with blood. In the systole phase, the ventricles contract and pump blood from the heart to the arteries. A cardiac cycle is completed when the chambers of the heart fill with blood and blood from the heart is pumped.

Explanation:

1. Ventricular Diastole

For the period of ventricular diastole, the atria and ventricles of the heart are relaxed and the atrioventricular valves are open. The oxygen-free blood that returns to the heart from the body after the last cardiac cycle passes through the superior and inferior cava veins and flows into the right atrium.

Open atrioventricular valves (tricuspid and mitral) allow blood to pass through the atria into the ventricles. The impulses of the sinoatrial node (SA) travel to the atrioventricular node (AV) and the AV node sends a signal that triggers the contraction of both atria. As per a result of this reduction, the right atrium empties its contents into the right ventricle. The tricuspid valve, located between the right atrium and the right ventricle, prevents blood from flowing into the right atrium.

2. Ventricular Systole

At the beginning of the ventricular systole period, the right ventricle, which is full of blood that passes from the right atrium, receives impulses from the fiber branches (Purkinje fibers) that carry electrical impulses that cause it to contract. When this occurs, the atrioventricular valves close and the semilunar valves (pulmonary and aortic valves) open.

Ventricular contraction causes oxygen depleted blood from the right ventricle to be pumped into the pulmonary artery. The pulmonary valve prevents blood from returning to the right ventricle. The pulmonary artery carries deoxygenated blood along the pulmonary circuit to the lungs. Here, the plasma gathers oxygen and returns to the left atrium of the heart through the pulmonary veins.

3. Atrial Diastole

In the period of atrial diastole, semilunar valves close and atrioventricular valves open. Oxygenated blood from the pulmonary veins fills the left atrium, while blood from the vena cava fills the right atrium. The SA node contracts again, causing both atria to do the same.

in the next step of process, atrial contraction causes the left atrium to empty its contents into the left ventricle and the right atrium to empty its contents into the right ventricle. The mitral valve, located between the left atrium and the left ventricle, prevents oxygenated blood from returning to the left atrium.

4. Atrial Systole

During the period of atrial systole, the atrioventricular valves close and the semilunar valves open. The ventricles receive impulses to contract. Oxygenated blood in the left ventricle is pumped into the aorta and the aortic valve prevents oxygenated blood from returning to the left ventricle. The oxygen-depleted blood is also pumped from the right ventricle to the pulmonary artery at this time.

The aorta branches to provide oxygenated blood to all parts of the body through systemic circulation. After its journey through the body, deoxygenated blood returns to the heart through the vena cava.

4 0
4 years ago
A medical assistant is preparing a wound culture to be sent to the lab. she does not need to put the culture in a biohazard cont
Reptile [31]

She does not need to put the culture in a biohazard container as the culture is not a blood specimen. It is a false statement

<h3>What is Biohazard container ?</h3>

Biological liquid waste that has been chemically or autoclave-decontaminated can be dumped down the drain (sanitary sewer) while it is running. Blood and bodily fluids from either humans or animals can be flushed down the toilet without first being cleaned.

  • Devices or things with corners, edges, or projections capable of cutting or piercing skin or everyday garbage bags are collected in commercial red biohazardous sharps containers after coming into touch with biological or recombinant genetic materials.
  • Waste that might be infected with pathogens that are dangerous to people and the environment is disposed of in biohazard containers.
  • After being autoclaved, biohazardous material can be thrown out with regular trash. Put the autoclave bag inside a typical container.

Learn more about Biohazard container here:

brainly.com/question/26746466

#SPJ4

8 0
2 years ago
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