The natural opiate-like chemicals produced by a woman during labor and delivery are known as:
a. Endorphins
b. Testosterone
c. Progesterone
d. Androgens
ANS: A
Endorphins, or endogenous opiates, are produced in the anterior pituitary gland and hypothalamus as a result of stress. These morphine-like substances appear to raise the pain threshold, helping women better tolerate the pain of labor and birth.
You might also like to view...
The nurse understands that which of the following patients in the hospital is at the greatest risk for cardiogenic shock?
A) The 76-year-old male patient with a history of diabetes mellitus and previous myocardial infarction (MI) B) The 42-year-old male who has mitral valve prolapse with a left ventricular ejection fraction of 65% C) The 52-year-old female with a recent small anteroseptal wall MI D) The 84-year-old female with hypertension
A patient is admitted to the hospital with a pressure ulcer on the sacrum. The wound is open with exposed bone. The nurse should document this pressure ulcer at what stage?
a. Stage I b. Stage II c. Stage III d. Stage IV
The nurse has identified the diagnosis Excess Fluid Volume as appropriate for a client with acute glomerulonephritis. What should the nurse assess to learn the most accurate indication of this client's fluid balance?
A) Vital signs B) Intake and output records C) Daily weight D) Serum sodium levels
In order to be used as an energy source, amino acids have to undergo
a. beta-oxidation. b. deamination. c. glycogenesis. d. ketogenesis.