The let-down sensation caused by contractions that move milk through the ducts to sinuses is stimulated by a hormone called

a. estrogen c. progesterone
b. oxytocin d. prolactin


B
Oxytocin increases the myoepithelial cells that line the walls of the mammary ducts, resulting in the let-down reflex. The infant's suck stimulates the release of oxytocin. Prolactin stimulates milk production, not let-down.

Nursing

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The nurse is aware that the severe dehydration associated with diabetes insipidus can lead to the serious electrolyte imbalance of:

a. hypercalcemia. b. hypernatremia. c. hypocalcemia. d. hyperkalemia.

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Artificial airways are used:

a. To keep the airway moist b. To keep the airway open c. When suctioning is needed d. When chest tubes are needed

Nursing

A 70-year-old patient with chronic obstructive pulmonary disease has a respiratory infection being treated with antibiotics. He is also taking oral corticosteroids to assist in decreasing the inflammation in the lungs. The patient is prone to

A) Superinfection B) Respiratory distress C) Nausea and vomiting D) Purpura

Nursing

Which statement is most descriptive of pediatric family-centered care?

a. It reduces the effect of cultural diversity on the family. b. It encourages family dependence on the health care system. c. It recognizes that the family is the constant in a child's life. d. It avoids expecting families to be part of the decision-making process.

Nursing