A woman pregnant for the first time asks the nurse, "When will I begin to feel the baby move?" What is the nurse's best response?
a. "You may notice the baby moving around the 4th or 5th month."
b. "Quickening varies with every woman."
c. "You'll feel something by the end of the first trimester."
d. "The baby will be big enough for you to feel in your 8th month."
ANS: A
Quickening, fetal movement felt by the mother, is first perceived at 16 to 20 weeks of gestation.
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A) It stimulates growth of red blood cells. B) It suppresses T-cell production. C) It inhibits protein synthesis. D) It stimulates antibody production.
At 34 weeks' gestation, a normal prenatal client should have a hematocrit of:
a. less than 25% c. 34% to 40% b. 25% to 35% d. more than 40%
A nurse is reviewing the results of a lead test with a teen mother. The mother asks how the child was exposed to lead. The best response would be:
1. "Lead is in the everyday environment. Some people are more susceptible than others.". 2. "Lead is in many of the foods we eat, so it is important to eat fresh vegetables and fruits because these foods have a lower lead level.". 3. "Lead can be found in the paint within your house or on some old toys that had lead-based paint.". 4. "You need to make sure that your child is kept away from lead because it can cause brain damage.".
Which causes the rapid change in the resting membrane potential that initiates an action poten-tial?
a. Potassium gates open, and potassium rushes into the cell, changing the mem-brane potential from negative to positive. b. Sodium gates open, and sodium rushes into the cell, changing the membrane po-tential from negative to positive. c. Sodium gates close, allowing potassium into the cell to change the membrane po-tential from positive to negative. d. Potassium gates close, allowing sodium into the cell to change the membrane po-tential from positive to negative.