Which hormone stimulates milk production after birth of the infant and expulsion of the placenta?
a. Prolactin
b. Estrogen
c. Progesterone
d. Relaxin
ANS: A
After the birth of the infant and expulsion of the placenta, there is a rapid decrease in estrogen, progesterone, and human placental lactogen (hPL). These changes stimulate the anterior pituitary to produce prolactin, which stimulates milk production.
You might also like to view...
A 46-year-old man who has begun showing signs of dementia has been diagnosed with Alzheimer's disease. He is estranged from his siblings. The nurse instructs him on the importance of informing his siblings of his disease
He states, "I don't want them to know. Let them find out on their own." What intervention should the nurse implement? A) Call one of the patient's siblings and inform him or her of the risk for development of Alzheimer's disease. B) Notify the geneticist and have him instruct the patient on his siblings' and parent's risk. C) Notify the siblings' physicians about their risk for development of Alzheimer's disease. D) Instruct the patient on the importance of notifying his siblings and keep his information confidential.
A patient says, "I have pain in my leg when I stand too long." As which type of data should the nurse categorize this information?
1. Subjective 2. Evaluative 3. Qualitative 4. Objective
The client asks the nurse about the uses of nitrous oxide. Which statement is the most appropriate by the nurse?
1. Nitrous oxide is rarely used in any setting. 2. Nitrous oxide is often used for local anesthesia. 3. Nitrous oxide is often used for dental procedures. 4. Nitrous oxide is often used for general anesthesia.
Pain-killing drugs bear a remarkable resemblance to
A. endorphins B. dopamine C. acetylcholine D. serotonin