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Setler79 [48]
2 years ago
13

The speed of the dental handpiece is controlled by what?

Health
1 answer:
vaieri [72.5K]2 years ago
3 0

Answer:

The dental handpiece is electrically or pneumatically driven. The controller has a portion mounted directly on the handpiece that can be controlled with a foot controller.

Explanation:

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Which statement explains why sports drinks can be helpful during physical activity? A They provide water and proteins. B They pr
alexandr1967 [171]
The correct answer should be <span>D They replenish electrolytes and carbohydrates.

Carbohydrates are important when working out because they are a source of quick energy which is why athletes eat things like pasta often. Electrolytes are important for keeping the body well hydrated. Sports drinks contain these but they are often synthetic and actually do more harm than good.</span>
4 0
3 years ago
In cardiac muscle, calcium ions do not bind to troponin molecules. calcium ions are not released from the sarcoplasmic reticulum
strojnjashka [21]

Answer:

Option). about 20 percent of the calcium ion required for contraction comes from outside the cell.

Explanation:

Calcium ions play an important role in cardiac muscle physiology. Calcium ions influx is responsible for plateau phase after depolarization. Calcium ions also play role in muscle contraction with the help of troponin (regulatory protein).

For contraction, about 20 percent of calcium ions are supplied from outside of the cell, while rest of the calcium ions are released from SR (sarcoplasmic reticulum).

Thus, the correct answer is 'forth option.'

3 0
3 years ago
2. After reading chapter five of your book and reflecting upon how individuals develop from the “Garden of Eden” stage into the
Harrizon [31]

Progressing from the stage of “garden of Eden” to the stage of “thinking critically” is a form of gradual development through one’s critical thinking process, and known as the stages of knowing.

<u>Explanation:</u>

William Perry was the one who put forth the concept of gradual knowing, using one’s thinking and realizing.

  • In the stage of “garden of Eden”, the individual almost holds a one sided view of knowing or knowledge, i.e. He sees the authorities being the epitome of knowledge and knowing,  and see’s the world as seen through the perspective of the authorities.
  • In the second stage however, the thinking and the knowing of the person becomes more rational. He starts to adhere other points of view, and realities that all authorities may be right in their respect and there is no one single truth. This is the stage of “anything goes”
  • In the third stage of knowing, which is the “thinking critical stage”, here the individual out of curiosity and self-introspection, develops the rational and critical thinking that even though authorities say a point of view, other point of view also hold because there is convincing fact that supports the same.
  • Here the individual raises in his thinking pattern as he explores other perspectives and ideas and may also conclude that there may be more than one approach to a particular idea. Thus, having a developed thinking pattern.
7 0
3 years ago
Read 2 more answers
What is the thinnest and thickest layer of the skin?​
Anna [14]

Answer:

I believe the thinnest layer is called the cuticle, while the thickest layer is the dermis.

Explanation:

4 0
3 years ago
Overexposure to the sun's rays can be prevented with the use of: insecticide lotions sunscreen cloud cover
Gnesinka [82]
The answer is sunscreen
4 0
3 years ago
Read 2 more answers
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