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maw [93]
4 years ago
6

The dri committee recommends that adults aged 51 years and older obtain 2.4 micrograms of vitamin b12 daily and that vitamin b12

-fortified foods (such as fortified cereals) or supplements be used to meet much of the dri recommended intake. refer back to the information you obtained in a previous question about mrs. wylie. she be placed on a vitamin b12 supplement because
Biology
1 answer:
STALIN [3.7K]4 years ago
3 0
The correct answer is all of the above.
Mrs Wylie is placed on a vitamin B12 supplement because she has neurologic symptoms consistent with vitamin B12 deficiency, she has a history of antacid use and because of her age.
According to the information provided, Mrs Wylie is experiencing some neurological symptoms including difficulty walking, pain and weakness in her legs, loss of feeling in her fingers and feet and occasional constipation. She also takes some over-the-counter medications, such as antacid, that help her with problems regarding her stomach acid, such as heartburn, indigestion or acid reflux. Finally, Mrs Wylie's age requires a daily intake of B12 supplement (78 years old). 
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The lung volume that represents the total volume of exchangeable air is the ________. A. vital capacity B. expiratory reserve vo
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Answer:

A. vital capacity

Explanation:

<u>Vital capacity is defined as maximum amount of the air that a human can expel from lungs after the process of maximum inhalation. In other words, its is the volume of the lung which represents the maximum of the total volume which can be exchanged with the air. </u>

It can be measured by using a wet or a regular spirometer. A normal adult has between 3 to 5 litres of VC. Vital capacity of the human depends on the age, sex, mass, height and ethnicity.

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3 years ago
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Inessa [10]

Answer and Explanation:

The steps of the sliding filament theory are:

Muscle activation: breakdown of energy (ATP) by myosin.

Before contraction begins, myosin is only associated with a molecule of energy (ATP), which myosin breaks down into its component molecules (ADP + P) causing myosin to change shape.

Muscle contraction: cross-bridge formation

The shape change allows myosin to bind an adjacent actin, creating a cross-bridge.

Recharging: power (pulling) stroke

The cross-bridge formation causes myosin to release ADP+P, change shape, and to pull (slide) actin closer to the center of the myosin molecule.

Relaxaction: cross-bridge detachment

The completion of the pulling stroke further changes the shape of myosin. This allows myosin and ATP to bind, which causes myosin to release actin, destroying the cross-bridge. The cycle is now ready to begin again.

The repeated cycling through these steps generates force (i.e., step 2: cross-bridge formation) and changes in muscle length (i.e., step 3: power stroke), which are necessary to muscle contraction.

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3 years ago
During a conference presentation, a scientist described the materials that she used and how she performed her experiments.
azamat

It tells the audience if the results support or contradict the hypothesis

Explanation:

When a scientist describes the materials that she used and how she performed her experiments, it tells the audience if the results supports or contradicts the hypothesis.

  • A hypothesis formulation helps to test a scientific claims.
  • Experiments are usually hinged on well designed hypothesis.
  • From the hypothesis, one can be sure the experiment is tuned and designed within the scope of the observation desired to be tested.
  • This is why the materials used and procedures followed in an experiment can tell if the results supports or contradicts the hypothesis.

Learn more;

Experiment brainly.com/question/5096428

#learnwithBrainly

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Gandhi's most basic principles apply everywhere in life, these includes unity of mind, body and soul, such that one should never do anything with their body that is not right with their mind or with their mind that is not right with their soul. In addition, selflessness, service to others and faith in a superior spiritual life to our life on earth are among other aspects that one needs to apply in real life.
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