Repolarization of the papillary muscles or remnants of ventricular repolarization appears on an electrocardiogram as a:
a. P wave. c. U wave.
b. T wave. d. J point.
ANS: C
The U wave follows the T wave and precedes the successive P wave. It is thought to represent remnants of ventricular repolarization or repolarization of the papillary muscles.
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Which of the following BEST describes why hypoglycemia after delivery is common in infants born to mothers with gestational? diabetes?
A) The fetus develops compensatory insulin production in utero due to maternal hyperglycemia, which causes hypoglycemia after delivery.
B) The genetic nature of diabetes mellitus makes infants born to mothers with gestational diabetes more likely to have diabetes themselves.
C) The fetus is no longer receiving insulin via the umbilical cord, and therefore becomes hypoglycemic after birth.
D) Gestational diabetes may cause fetal pancreatic abnormalities that cause hypoglycemia after birth.
A basket stretcher is the best method for transporting a patient:
a. out of the back country. b. on an LSB in any terrain. c. with a fractured femur. d. who is extremely heavy.
The UHDDS is a collection of specific data gathered about hospital patients:
A. postoperatively. B. on admission. C. on discharge. D. before surgery.
Which of the following BEST describes NOT finding a sign or symptom that you would expect to find under the circumstances?
A) Pertinent negative B) Chief negative C) False negative D) Double negative