Answer & Explanation: Cholera as a disease is any of the several acute infectious diseases of humans and domestic animals caused by certain strains of the Vibrio cholerae bacterium.
a) It is unlikely to spread directly from one person to another. So the risk of becoming ill through casual contact is quite low. However, for those with weakened immunity, they could possible contract the disease on contact leading to infection.
b) Signs of infection is usually marked by severe gastrointestinal symptoms such as diarrhea, abdominal cramps, nausea, vomiting and dehydration
c) Some of the different ways the disease could be spread include ingestion of contaminated water. Bacteria present in the faeces of an infected person are usually the main source of contamination.
Gatrectomy is a procedure that involves removal of a part of the stomach (partial gastrectomy) or the whole stomach (total gastrectomy). It is carried out to removal stomach cancer or stomach perforations. In this case, the nurses initial action will be first not to tamper with fresh surgery tubes and then call the primary health care provider for blood draining from the NG tube after the procedure (gastrectomy)
Answer: the contractile vacuole
Explanation: The contractile vacuole is a star-like structure located toward the cell's posterior. This organelle aids the cell in the removal of excess water. Without it, the euglena would be able to absorb so much water through osmosis that the cell would burst.
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Answer:
La formulación clásica de selección natural establece que las condiciones de un medio ambiente favorecen o dificultan, es decir, seleccionan la reproducción de los organismos vivos según sean sus peculiaridades. La selección natural fue propuesta por Darwin como medio para explicar la evolución biológica.
Explanation:
