Answer:
According to the warning signs that exist in radiology clinics, a pregnant woman should consult her physician before undergoing an x-ray study because x-rays are a form of ionizing radiation that can affect the development of a gestational baby.
Explanation:
<em>Signs/notices in radiology clinics indicate that women who are pregnant or suspect they may be pregnant should consult their doctor before undergoing a radiological examination. Why should they do it?</em>
X-rays are a type of electromagnetic radiation -ionizing- capable of passing through the body, used to obtain images of the interior of an organism by capturing these rays on photographic film.
It is well known that X-ray radiation can have mutagenic effects on living organisms, according to the amount of radiation and the time to which it has been exposed. In the pregnant woman, who has a fetus developing inside her, special attention must be taken due to the harmful effects that ionizing radiation can have on its development. This is the main reason why a pregnant woman should consult her doctor before undergoing a radiological study.
Learn more:
X-Rays mutagenic agent brainly.com/question/1104958
Answer:
The correct answer is option D.
Explanation:
A food desert is a geographic area that has limited access or nonexistence of the healthy and affordable foods for the residents or organisms of a particular geographic area.
It can be due to various reasons depending on the area this phenomenon occurs such as in remote areas the absence of grocery stores in a reachable distance.
Thus, the correct answer is option D.
Answer:
Negative growth rate is when a population's average number of deaths is greater than its average number of births. Zero growth rate is when the average number of deaths equals the average number of births.
Explanation:
Answer:
Un nucleótido esta formado por una molécula de azúcar (ribosa en el ARN o desoxirribosa en el ADN) unido a un grupo de fosfato y a una base nitrogenada.
Explanation:
ADN, ARN son polímeros formados por largas cadenas de nucleótidos.
Las bases utilizadas en el ADN son: adenina, citosina, guanina y timina
En ARN, la base uracilo y ocupa el lugar de la timina.
Answer:
Pericardial sac has protective tole
Explanation:
Pericardial sac or pericardium is a fibrous tissue that surrounds the heart. It has two coats:
- the outter coat-parietal pericardium
- the inner coat-visceral pericardium or epicardium which is double-layered and contains pericardial fluid between those two layers (pericardial fluid is necessary as a lubricant for the heart movement).
Besides lubrication, percardium also protects heart from infections, fixes it and limits its movements.