Out of the choices given, the mechanisms that drives evolution is natural selection. The correct answer is B, natural selection.
False, pernicious anemia may take up to 5 years to show symptoms. However, the oxygen starts to get depleted within the first 6 months in thalassemia major.
Pernicious anemia:
In this condition, the body is unable to absorb vitamin B12 which leads to lowered amount of red blood cells which are responsible for carrying oxygen throughout the body. It is an autoimmune disease in which antibodies attack their own cells in the lining of the stomach which affects the absorption of vitamin B12. The symptoms of pernicious anemia are dizziness, fatigue, diarrhea, constipation, breathlessness, and loss of appetite. The depletion of oxygen is seen in thalassemia major within 6 months.
Learn more about pernicious anemia here,
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Answer:
Annette is a CERTIFIED FORENSIC NURSE.
Explanation:
Certified forensic nurse is a certificate given to a registered nurse after undergoing a certification program which help the forensic scientist to gain more knowledge and credibility in their field of work. A certified forensic nurse is a registered nurse that processes DNA evidence and interprets injuries for violent causes or in a crime scene. Annette is a certified forensic nurse is may be call upon to utilize medical expertise to interprete a crime scene, process DNA evidence, identify and interprete injuries.
