The maternal hormone that causes the milk ejection reflex is:
a. Estrogen
b. Oxytocin
c. Prolactin
d. Progesterone
ANS: B
Infant suckling causes the posterior pituitary gland to secrete oxytocin, producing the let-down, or milk ejection, reflex, causing the milk to be delivered from the alveoli (milk-producing sacs) to the nipple.
You might also like to view...
A multipara client develops thrombophlebitis after delivery. Which of the following would alert the nurse to the need for immediate intervention?
A) Dyspnea, diaphoresis, hypotension, and chest pain B) Dyspnea, bradycardia, hypertension, and confusion C) Weakness, anorexia, change in level of consciousness, and coma D) Pallor, tachycardia, seizures, and jaundice
A client has an order for an IV medication to be administered via secondary administration set (piggyback). Before hanging the secondary administration set (piggyback) medication, the nurse must:
a. check the client's drug allergies, check the compatibility of the solutions, and assess the infusion site b. discuss the purpose of the medication with the client c. ask the client's family about any history of allergies, and determine the flow rate d. apply clean gloves, discuss the purpose of the medication with the client, and hang the piggyback bag
You are caring for radiation victims. What is the most important factor that you should consider to assess a client's chance of survival in acute radiation syndrome (ARS)?
A) Dosage of gamma radiation B) Concentration of nerve gas C) Mode of infection D) Direct physical contact
Which statement by a school-age girl indicates the need for further teaching about the prevention of urinary tract infections (UTIs)?
a. "I always wear cotton underwear." b. "I really enjoy taking a bubble bath." c. "I go to the bathroom every 3 to 4 hours." d. "I drink four to six glasses of fluid every day."