Heparin is supplied in bags that have 25,000 units / 250 mL. What is the concentration of Heparin?

1 unit per 1mL

10 units per 1 mL

100 units per 1 mL

1000 units per 1 mL

Answer and Explanation

The Correct Answer is C

A.   If the concentration were 1 unit/mL, then in 250 mL there would only be 250 units total, which is much lower than the provided 25,000 units.
B.   If the concentration were 10 units/mL, then in 250 mL there would be 2,500 units total, which is also much lower than the provided 25,000 units.
C.   If the concentration were 100 units/mL, then in 250 mL there would be 25,000 units total, which matches the provided information. However, while this seems plausible, it is not the answer we calculated.
D.   If the concentration were 1,000 units/mL, then in 250 mL there would be 250,000 units total, which is significantly higher than the 25,000 units provided.

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Correct Answer is C

Explanation

A. While having multiple sexual partners is associated with an increased risk of sexually transmitted infections (STIs), it is not considered a significant risk factor for uterine cancer specifically. STIs can contribute to other reproductive cancers, such as cervical cancer, but they are not directly linked to the development of uterine cancer.
B. Smoking is a risk factor for various cancers, including cervical and lung cancers, but its association with uterine cancer is not as strong. While some studies suggest a potential link, it is not recognized as a primary risk factor for uterine cancer.
C. Prolonged exposure to unopposed estrogen (estrogen not balanced by progesterone) is the primary risk factor for uterine cancer. This can occur in situations such as obesity (where adipose tissue produces estrogen), hormone replacement therapy without progesterone, and certain medical conditions like polycystic ovary syndrome (PCOS).
D. Having multiple pregnancies is generally considered to have a protective effect against uterine cancer. Pregnancy reduces the number of menstrual cycles a woman has over her lifetime, which can lead to lower lifetime exposure to estrogen.

A. A career as a corporate attorney who exercises three times per week B. An uncomplicated vaginal birth 12 years ago C. Drinking a glass of red wine with dinner and taking Yoga classes on Saturdays D. Taking birth control pills and a 15-year pack per day smoking habit

Correct Answer is D

Explanation

A. This choice suggests a high-stress job but includes a positive aspect—regular exercise. Regular physical activity is protective against stroke, and being active can help mitigate some risk factors. Therefore, this scenario does not indicate a high risk for stroke.
B. This choice does not present a significant risk factor for stroke. An uncomplicated vaginal birth is typically not associated with an increased risk of stroke. Factors like recent pregnancy could increase risk due to changes in blood coagulation, but 12 years post-birth is not relevant.
C. Moderate alcohol consumption, such as a glass of red wine, may have some cardiovascular benefits when done in moderation, and practicing yoga can be beneficial for stress reduction and overall health. Therefore, this option does not suggest a high risk for stroke.
D. Both smoking and the use of birth control pills significantly increase the risk of stroke, particularly in women. Smoking is a well-known risk factor for cardiovascular disease and can lead to thrombosis (blood clots).

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Heparin is supplied in bags that have 25,000 units / 250 mL. What is the concentration of Heparin?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client asks the nurse to explain risk factors for uterine cancer. The nurse explains that the number one risk factor is:

Correct Answer is C

Explanation

The nurse is performing a health screening of a 37-year-old female client. Which factor(s) would alert the nurse that this client is at greatest risk for developing a stroke?

Correct Answer is D

Explanation

Heparin is supplied in bags that have 25,000 units / 250 mL. What is the concentration of Heparin?

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