As per the given description, the best-recommended method of contraception to the woman would be 'diaphragm and spermicide' as she is a chain smoker, has quite irregular menstrual cycles and requires a highly effective contraceptive. Thus, only the diaphragm along with spermicide would be a highly reliable source(as it is effective in almost of 90 plus percentage of the cases) for preventing pregnancy. Since she is a chain smoker, any kind of pill may invoke negative reactions and due to irregularity of periods, she can't even rely on them. Therefore, the diaphragm would help prevent the sperms from getting into the cervix and hence, <u>option B</u> is the correct answer.
A family history of substance abuse/dependence has a significant impact on the functioning of individuals with substance dependence is a TRUE statement.
<u>Explanation:
</u>
The individuals who hold a family history of substance abuse are more likely to exhibit substance dependence at some or the other stage of their life.
The display of this trait is either due to the psychological influence that they have had of the other substance-dependent individuals in the family or the development of the urge in them due to hereditary reasons.
The case of the extraneous variable is most likely to be determined by the student grade level that is level of the education program that is for the grade level. This refers to all the course level and can be use to trace out the external variable that are not intentionally studied in the test or experiment and tends to affect the other variables.
Not in my opinion, construction workers do manual labor and they have to be very skilled and smart to build a sturdy home with the right measurements and all.
