Daly - MEDICAL KNOWLEDGE

Pregnancy  The first sign of pregnancy is most often: Missed menstrual period.  Explanation: Missed menstrual period is most often the first sign of pregnancy. Sometimes a woman who is pregnant may still experience some bleeding or spotting around the time of the expected period. When it occurs, this is so called "implantation bleeding." Nausea and vomiting or "morning sickness" may be due to elevations in levels of: Estrogens Explanation: Elevations in estrogen that occur early in pregnancy are thought to slow the emptying of the stomach and may be related to the development of nausea. Abdominal enlargement or bloating in the early stages of pregnancy are due to weight gain: Not true...  Explanation: Some women may experience feelings of abdominal enlargement or bloating, but there is usually only a small amount of weight gain in the first trimester of pregnancy. In this early stage of pregnancy, a weight gain of about one pound per month i

1. Allergies can best be described as: The answer is: An overreaction from the immune system to a foreign substance Explanation: Allergies are an overreaction from the body's immune system to foreign substances called allergens. Allergic reactions can result in sneezing, coughing, runny nose, and itching. Most of the time the reactions are bothersome, but in some cases they can be life-threatening and severe.  Allergies may be seasonal, such as hay fever, but they may also be associated with chronic conditions such as asthma or sinusitis. 2. The term allergic rhinitis is the proper medical term for "hay fever." Explanation: The term allergic rhinitis is the proper medical term for "hay fever." Rhinitis is inflammation of the nasal passages which can cause symptoms such as sneezing, itching, nasal congestion, runny nose, and postnasal drip (when mucus drains from the sinuses down the back of the throat).  Most people develop symptoms of allergic rhini