What is considered a positive sign of pregnancy?
Hegar’s sign
Positive pregnancy test
Fetal movement felt by the examiner
Uterine contractions
The Correct Answer is C
Choice A rationale
Hegar’s sign is a presumptive sign of pregnancy. It refers to the softening of the lower part of the uterus that occurs early in pregnancy. However, it is not a positive sign of pregnancy because it can also be caused by other conditions.
Choice B rationale
A positive pregnancy test is a probable sign of pregnancy. It indicates the presence of human chorionic gonadotropin (hCG), a hormone produced during pregnancy. However, false positives can occur, and other conditions can also cause elevated hCG levels.
Choice C rationale
Fetal movement felt by the examiner is a positive sign of pregnancy. This is because it provides direct evidence of the presence of a fetus.
Choice D rationale
Uterine contractions are not a positive sign of pregnancy. They can occur in various conditions and are not exclusive to pregnancy.
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Related Questions
Correct Answer is B
Explanation
Choice A rationale
While blunt force trauma can indeed lead to placental abruption, it is not the most common risk factor. Such trauma is usually the result of an accident or injury, which are less common occurrences compared to other risk factors.
Choice B rationale
Hypertension is the most common risk factor for placental abruption. High blood pressure can cause the placenta to separate from the uterus, leading to abruption. This can occur as a result of chronic hypertension, or hypertension-related problems during pregnancy, including preeclampsia.
Choice C rationale
Cigarette smoking is a risk factor for placental abruption, but it is not the most common one. While smoking can increase the risk, hypertension is a more prevalent risk factor.
Choice D rationale
Cocaine use can increase the risk of placental abruption, but it is not the most common risk factor. The use of cocaine can constrict blood vessels, which can lead to placental abruption. However, hypertension is a more common risk factor.
Correct Answer is D
Explanation
Choice A rationale
While male condoms are a widely used method of contraception, they are not the most reliable. They have a typical use failure rate of about 13%, meaning that 13 out of 100 women will become pregnant in a year of using this method.
Choice B rationale
The diaphragm with spermicide is less reliable than some other methods of contraception. Its typical use failure rate is about 17%89.
Choice C rationale
Oral contraceptives are more reliable than condoms or diaphragms, with a typical use failure rate of about 7%. However, they require daily adherence and can have side effects.
Choice D rationale
The intrauterine device (IUD) is one of the most reliable methods of contraception. It has a typical use failure rate of less than 1%. It is also long-lasting and does not require daily adherence.
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