Which patient group is most susceptible to bleeding because of a deficiency of vitamin K–dependent
a. Those with poor diets
b. Those on antibiotic agents
c. Pregnant women
d. Newborns
ANS: D
Newborns are the most susceptible to vitamin K protein deficiency because the levels of the vitamin K–dependent proteins at birth are significantly lower than those for adults, and they drop even further the first few days of life. Breastfeeding prolongs the deficiency because passively acquired maternal antibodies delay establishment of the gut flora.
You might also like to view...
EMT care for an open chest wound and an abdominal evisceration are similar in that:
A) air must be periodically released from both wounds. B) occlusive dressings are placed over both wounds. C) moist dressings are placed over both wounds. D) both wounds can cause the trapping of air in the body.
Which of the following statements about calcium is false?
A) It is required for the transmission of nerve impulses. B) It is required for blood coagulation. C) It is required for the elimination of urine. D) It is required for cardiac function.
Last year, the patient weighed 190 kg. Ten months after surgery, the patient has lost 176 lb. The patient now weighs ________ kg.
Fill in the blank(s) with the appropriate word(s).
Noise on a digital image is the summation of inherent electron system noise and quantum mottle noise. Of these two, the radiographer can improve the noise on an image by
a. decreasing the exposure intensity of the x-ray beam. b. increasing the exposure technique. c. turning off any electronic devices during exposures. d. all of the above