A nurse working in pediatrics learns that the normal hemoglobin value for an infant is high at birth, then decreases by 2 months of age before increasing again as the child grows. The nurse knows the reason for this shift is which of the following?
A.
Hemodilution from starting oral nutrition
B.
Lower available oxygen while in utero
C.
Rapid hemoglobin destruction at birth
D.
Slower hemoglobin production after birth
ANS: B
The fetus needs a higher hemoglobin level to compensate for the relatively low-oxygen environment of the uterus. The other answers are incorrect.
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A patient with cancer has impaired hematopoiesis. Upon evaluation of the patient's laboratory studies, the nurse would expect to see which of the following abnormalities?
A) Decreased red blood cell, white blood cell, and platelet levels B) Increased hemoglobin and hematocrit levels C) Decreased sodium, potassium, and calcium levels D) Increased ammonia, creatinine, and albumin levels
A patient's bedside ECG strips show the following changes
increased PR interval; increased QRS width; and tall, peaked T waves. Vital signs are T 98.2Â ° F; HR 118 beats/min; BP 146/90 mm Hg; and RR 18 breaths/min. The patient is receiving the following medications: digoxin 0.125 mg PO every day; D51/2 normal saline with 40 mEq potassium chloride at 125 mL/hr; Cardizem at 30 mg PO q8h; and aldosterone at 300 mg PO q12h. The physician is notified of the ECG changes. What orders should the nurse expect to receive? a. Change IV fluid to D51/2 normal saline and draw blood chemistry. b. Give normal saline with 40 mEq of potassium chloride over a 6-hour period. c. Hold digoxin and draw serum digoxin level. d. Hold Cardizem and give 500 mL normal saline fluid challenge over a 2-hour period.
A basic fertility workup may be initiated when the client has been unable to conceive after how many months of unprotected sex?
a. one month c. six to twelve months b. 3 months d. one year
Which statement about balance provides a basis for a nurse's management of the therapeutic environment?
a. Independence is best gained in increments. b. Independence is a fundamental right of all patients. c. Independence jeopardizes safety in an inpatient setting. d. Dependence is a characteristic of most persons with mental illness.