When is the most accurate time to determine gestational age through ultrasound?

a. First trimester
b. Second trimester
c. Third trimester
d. No difference in accuracy among the trimesters


ANS: A
Gestational age determination by ultrasonography is increasingly less accurate after the first trimester. Gestational age determination is best done in the first trimester. There is a difference in trimesters when doing a gestational age ultrasonography.

Nursing

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The nurse of a patient diagnosed with acute glomerulonephritis. is aware that the patient may exhibit which of the following clinical manifestations?

A) Hematuria B) Decrease in serum creatinine levels C) Hypotension D) Glucosuria

Nursing

The nursing supervisor informs the staff that if they refuse to stay on the nursing unit and work an additional 8-hour shift, they will be reported to the state for patient abandonment. This type of power is known as ____

a. Coercive b. Expert c. Legitimate d. Reward

Nursing

In working with a young child who is suspected of having symptoms of mania, the nurse could assist in differentiating the mania of bipolar disorder from ADHD by observing the child's behavior for which of the following?

a. periods of hyperactivity and periods of what seems like normal activity b. ability to judge and pay attention to dangerous situations c. ability to engage in meaningful play with age-appropriate playmates d. attachment to significant caregivers and other people in his or her life

Nursing

A researcher collects scores measuring weight among school-age children who are in an obesity prevention program and notes that several students are morbidly obese with the majority of students falling within or below the 85th percentile for weight

The scores from the morbidly obese children will affect which measure of central tendency the most? a. Mean b. Median c. Mode d. All of the above are affected equally.

Nursing