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damaskus [11]
3 years ago
12

There are _____ levels of mental retartation on the modern continuum. A. five B. four C. three D. two

Health
1 answer:
densk [106]3 years ago
4 0

Answer:

Four

Explanation:

Mild, moderate, borderline and severe

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12. Art activities make up an important learning strategy and include
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3 years ago
from the information provided, mutations in this breast cancer-associated gene tend to be primarily synonymous substitutions.
Fofino [41]

False, from the information provided, mutations in this breast cancer-associated gene tend to be primarily synonymous substitutions.

<h3>What is breast cancer?</h3>

One type of cancer that begins in the breast is breast cancer. It may begin in either the left or right breast. Although men can also develop breast cancer, breast cancer affects almost exclusively women. It's crucial to realize that the majority of breast lumps are benign and not cancerous (malignant). Breast tumors that are not cancerous are abnormal growths that do not spread to the exterior of the breast. While most benign breast lumps are not life threatening, some of them can raise a woman's risk of developing breast cancer. Any breast lump or change should be examined by a medical professional to determine whether it is benign or malignant (cancer) and whether it may increase your risk of developing cancer in the future.

Thus from above conclusion we can say that false, from the information provided, mutations in this breast cancer-associated gene tend to be primarily synonymous substitutions.

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brainly.com/question/4890438

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7 0
1 year ago
In ventricular fibrillation, the ventricles twitch randomly instead of beating. This condition causes death within minutes if no
Lana71 [14]

Answer:

Ventricular fibrillation a type of arrhythmia characterized by a very fast heart rate which causes no blood to reach vital organs causing cardiac arrest.While Atrial fibrillation is an atrial tachyarrhythmia characterized by the fact that the atria beat in an uncoordinated way at a very high rate that exceeds 350 beats per minute. As a result, the atria are no longer effective in pumping blood to the ventricles.

Explanation:

Under normal conditions the heart contracts rhythmically and synchronously. This contraction is the result of an electrical impulse that is generated in the atrium, reaches the ventricle and results in a heartbeat. In an arrhythmia there is an alteration of this mechanism that leads to the heart not contracting regularly, generating a rhythm disorder. The contraction of the ventricles pumps blood to the rest of the body. In ventricular fibrillation, the heart rhythm is very fast and chaotic (up to 300 beats per minute) and is characterized by not being able to provoke an efficient heart beat. Thus, the lack of contraction of the ventricles causes the blood to barely be pumped from the heart, producing a collapse of the cardiovascular system and cardiac arrest. Atrial fibrillation is characterized by disorganized and very rapid atrial activity (350-600 beats / min). This leads to an irregular ventricular response (150-200 beats / min) and an irregular pulse.During atrial fibrillation, the atrial contraction that helps fill the ventricles with blood is lost; this can significantly reduce cardiac output, particularly in patients with mitral stenosis, hypertension, or hypertrophic cardiomyopathy.It is associated with an increased risk of thromboembolism (formation of blood clots in the heart that can dislodge and go through the bloodstream until impacted on the a blood vessel, causing lack of irrigation in that area) and therefore stroke (cerebral thromboembolic accident).

8 0
2 years ago
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