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Kitty [74]
2 years ago
13

Why are older adults at particular risk for vitamin b-12 deficiency?

Health
1 answer:
hram777 [196]2 years ago
4 0

Answer:

Explanation:

Elderly people are particularly at risk of vitamin B12 deficiency because of the high prevalence of atrophic gastritis-associated food-cobalamin (vitamin B12) malabsorption, and the increasing prevalence of pernicious anaemia with advancing age.

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Write short note on social and economic aspects of three ecological region of nepal?​
Juliette [100K]

The correct answer to this open question is the following.

The three ecological regions of Nepal are the following: the Plains, teh Mountains, and the Hills. The social and economic aspects of these regions are the following.

Nepal is a multi-ethnic place and many languages are spoken in the country. 18% of the people are Chhetri, 14% are Brahmins, and 7% Magar.  80% of the population speak Indo-Aryan languages, while the rest 20% speak TibetanBirmese language. However, the official language of Nepal is called "Nepali."

Agriculture is the most important economic activity in Nepal, followed by the service sector, tourism, and the manufacturing industry.

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What is the recommendation for who should receive a mammogram and how often?
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Women of average risk for breast cancer should start going at 50 and follow up every 2 years .
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Which one of the following fitness trends involves performing a specific exercise at a high intensity for 20 seconds, followed b
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Why is it important to hold a static stretch for at least 10–15 seconds? Include the physiology of the stretch reflex in your re
Sergio039 [100]

Static stretch

Explanation:

Static stretching exercises are done by elongating the target muscles as tolerated and then holding the stretch in that position for a stipulating length of time. This holding time period is usually determined by the individual’s age, activity level, any other previous illness or injuries etc.  

The holding time usually is around 10-15 seconds is especially done to:

  1. Reduce risk of injury, muscle stiffness
  2. Increase mobility, flexibility, range of motion  
  3. Relieve back or joint pains.

The main physiology in stretch reflex:

The stretch reflex is a myotatic reflex which is triggered by the action potentials of la afferent fibers. This causes the excited motor neurons to contract the stretched muscle which in turn reduces the potential.    

The holding in static stretching is to make the elongation of the muscles a habitual length for the muscle spindle fibers and mark it is a new length.

The signals are reduced and the receptors are trained to allow more muscle fiber lengthening. The greatest increase in length or increase in range of motion occurs when the stretch is held for about 10-30 seconds with 2-4 repetitions.

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