Explanation/Reference:
Explanation:
(A) This stage is from complete dilatation of the cervix to delivery of the fetus. (B) This is the correct stage for the definition. (C) This stage lasts for about 2 hours after the delivery of the placenta. (D) There is no fifth stage of labor.

Explanation/Reference:
Explanation:
(A) Although tumor size is a factor in classification of cancer growth, it is not an indicator of lymph node spread. (B) Axillary node status is the most important indicator for predicting how far the cancer has spread. If the lymph nodes are positive for cancer cells, the prognosis is poorer. (C) The client's previous history of cancer puts her at an increased risk for breast cancer recurrence, especially if the cancer occurred in the other breast. It does not predict prognosis, however. (D) The estrogen-progesterone assay test is used to identify present tumors being fedfrom an estrogen site within the body. Some breast cancers grow rapidly as long as there is an estrogen supply such as from the ovaries. The estrogen-progesterone assay test does not indicate the prognosis.

(A)
Sonography can be used to determine the presence of multiple gestation. In this question, the sonogram is used as a preparatory step for a specific invasive procedure. (B) Sonography can be used to determine the presence of gross anomalies. In this question, the sonogram is used as a preparatory step for a specific invasive procedure. (C) Prior to amniocentesis, the abdomen is scanned by ultrasound to locate the placenta, thus reducing the possibility of penetrating it with the spinal needle used to obtain amniotic fluid.
(D)
Sonography can be used to determine fetal age. In this question, the sonogram is used
as a preparatory step for a specific invasive procedure.

Explanation/Reference:
Explanation:
(A) Any movement of the joint causes severe pain. (B) Touching or moving the joint causes severe pain.
(C) Immobilization in a functional position allows the joint to rest and heal. (D) Pressure from the warm water bottle or pads can cause severe pain or burning of the skin.

(A) Bulging fontanelles are a symptom of increased intracranial pressure in infants. (B) Seizure is a late sign of increased intracranial pressure. (C) Headache is a very early symptom of increased intracranial pressure in the child. (D) Ataxia is a late sign of increased intracranial pressure.