Which of the following reflects the normal sequence of postpartum vaginal discharge?

Choice A rationale:

"This is a screening tool for spina bifida.”. This statement is incorrect. An ultrasound performed before an amniocentesis is not primarily used as a screening tool for spina bifida. Spina bifida can be detected through other diagnostic tests.

Choice B rationale:

"It is useful for estimating fetal age.”. While ultrasounds can provide information about fetal age, it is not the primary reason for performing an ultrasound before an amniocentesis. The main purpose is to identify the location of the placenta and fetus, which is essential for safely performing the amniocentesis procedure.

Choice C rationale:

"It assists in identifying the location of the placenta and fetus.”. This is the correct answer. An ultrasound before amniocentesis is crucial for locating the fetus and the placenta accurately. This information helps healthcare providers ensure the safe and precise insertion of the needle into the amniotic sac.

Choice D rationale:

"This will determine if there is more than one fetus.”. Determining if there is more than one fetus is an important aspect of prenatal care but is not the primary reason for performing an ultrasound before amniocentesis. It is generally confirmed through earlier ultrasounds during routine prenatal care. .

Choice A rationale:

To calculate the amount of vitamin K (1 mg) to administer, you need to use the given concentration (1 mg/0.5 mL). This means that 1 mg is present in every 0.5 mL of the solution. To determine how many milliliters (mL) you should administer to get 1 mg, you can set up a proportion: 1 mg / X mL = 1 mg / 0.5 mL Cross-multiply and solve for X: X = (1 mg * 0.5 mL) / 1 mg X = 0.5 mL Therefore, the nurse should administer 0.5 mL, which can be rounded to 2.0 mL to the nearest tenth of a milliliter. Now, let's move on to the next question.