Answer:
The correct choices are:
A. At random
D. Represent the population
Explanation:
- Random sampling ensures that every member of the population or group has an equal chance of representation.
- Random sampling eliminates the possibility of response or sample bias which gives a universal sample that uniformly represents all members of the population.
- A good sample should represent the entire population. This can be achieved by through random sampling.
- Convenience and volunteer based samples both have an increased risk of response bias. These samples will only represent selected individuals instead of the entire population.
Infectious diseases are transmitted from person to person by direct or indirect contact. Certain types of viruses, bacteria, parasites, and fungi can all cause infectious disease. Malaria, measles, and respiratory illnesses are examples of infectious diseases.
Answer:
In a bone marrow aspiration, a health care provider uses a thin needle to remove a small amount of liquid bone marrow, usually from a spot in the back of your hipbone (pelvis).
A normal PT with an abnormal aPTT means that the defect lies within the intrinsic pathway, and a deficiency of factor VIII, IX, X, or XIII is suggested. A normal aPTT with an abnormal PT means that the defect lies within the extrinsic pathway and suggests a possible factor VII deficiency
Bleeding time is a medical test done on someone to assess their platelets function. It involves making a patient bleed, then timing how long it takes for them to stop bleeding using a stopwatch or other suitable devices.
Answer:
Between 20 and 25
Explanation:
Your BMI is the percentage of fat in your body in relation to the lean muscle mass and is one of the best indicators of fitness levels in healthy individuals. If your BMI falls between 20 and 25, then you are healthy with appropriate fat and muscle mass.
Virus is do not reproduce through mitosis. Viruses cannot reproduce on their own. Viruses can be found in soil, certain kinds of RNA viruses. If I took mug best guess, I would say B, they cannot reproduce on their own. This is because they need a host cell. Hope this helps!
