Answer: d. Confounding
Explanation:
In the context of a scientific study such as this one, a confounding factor is one that has influence on both the exposure and event variable(s), which may lead to over- or underestimation of the direct relationship between them (if any).
For instance: In this example, researchers may have had reason to believe that male gender is associated with both higher risk of obesity (the exposure variable) and adult-onset asthma (the event variable). If gender is not taken into account, one may claim that the finding of an association between obesity and asthma is simply an artifact due to the high proportion of male patients (likely to present with both). <em>Controlling</em> for that variable (such as by matching, as in this example) allows researchers to test for this hypothesis.
Answer:
The correct option is: B) peristalsis
Explanation:
Peristalsis is the involuntary wave-like contractions and relaxations of the smooth muscles of the gastrointestinal tract of the humans.
These alternating contractions and relaxations produces a peristaltic wave that pushes the food down the esophagus of the digestive system. The peristaltic movement prevents the food from moving backwards and pushes the food forward.
Answer: Sometimes your doctor may give you a course of antibiotics during your chemotherapy to help fight off an infection or stop you getting one.
Explanation:
Answer:
C) Check the outside of the body for injuries, tattoos, marks, look for identification
Explanation:
I don't have experience in forensics so my answer is mostly based off common sense. You'd want to check the outside of the body before cutting and looking in the insides of a body.
