A nurse is caring for a client who is postpartum and asks the nurse why her newborn received a vitamin K injection.
The nurse should explain that the injection is administered in order to prevent which of the following complications in the newborn?
Sepsis.
Tachypnea.
Bleeding.
Jaundice.
The Correct Answer is C
The nurse should explain that the injection is administered in order to prevent vitamin K deficiency bleeding (VKDB) in the newborn. Vitamin K is needed for blood clotting, but newborn babies have very low levels of vitamin K in their bodies at birth because only small amounts of the vitamin pass through the placenta and breast milk. VKDB can cause life-threatening bleeding in various parts of the body, such as the brain, intestines, or skin. VKDB can be classified into early-onset, classic, or late- onset depending on the time of presentation after birth. The most effective way to prevent VKDB is to give a single intramuscular dose of 0.5 to 1 mg of vitamin K to all newborn infants within 6 hours of birth.
Choice A is wrong because sepsis is not caused by vitamin K deficiency, but by bacterial infection.
Choice B is wrong because tachypnea is not caused by vitamin K deficiency, but by respiratory distress or other conditions.
Choice D is wrong because jaundice is not caused by vitamin K deficiency, but by high levels of bilirubin in the blood.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Verapamil is a calcium channel blocker that can lower the heart rate and blood pressure. A normal pulse rate for adults is between 60 and 100 beats per minute. A pulse rate of 48/min is too low and indicates bradycardia, which can cause dizziness, fainting, or cardiac arrest. Verapamil should not be given to patients with bradycardia or heart block.
Choice A is wrong because blood pressure 170/82 mm Hg is high and verapamil can help lower it. A normal blood pressure for adults is less than 120/80 mm Hg.
Choice B is wrong because respiratory rate 18/min is normal and verapamil does not affect it. A normal respiratory rate for adults is between 12 and 20 breaths per minute.
Choice D is wrong because potassium 4 mEq/L is normal and verapamil does not affect it. A normal potassium level for adults is between 3.5 and 5.0 mEq/L.
Correct Answer is B
Explanation
Examine your testicles after a warm shower.
This is because a warm shower will relax the scrotum and the muscles holding the testicles, making an exam easier. You should gently roll the scrotum with your fingers to feel the surface of each testicle and check for any lumps, bumps, swelling, hardness or other changes.
Choice A is wrong because you should perform the self-examination every month, not every 3 months.
This will help you notice any changes over time.
Choice C is wrong because you should not palpate both testicles firmly with your fingertips. You should use a gentle touch and avoid squeezing or pressing too hard.
Choice D is wrong because you should not apply a cool compress to the scrotum prior to examination. This will make the scrotum contract and tighten, making an exam more difficult.
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