The actions of buffer systems allow the body to rapidly and effectively respond to alterations in the H+ concentration of body fluids. How do the kidneys primarily contribute to a stable balance between acids and bases?
A) By regulating the combination of water and carbon dioxide, thus controlling levels of carbonic acid
B) By selectively reabsorbing HCO3- ions, which in turn act as H+ ion receptors
C) By regulating the ventilation rate and consequent blood levels of CO2
D) By controlling the process of erythropoiesis and consequent hemoglobin levels
B
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Historical influences that have shaped the lives of the majority of the middle-old population in the United States today include which of the following?
a. Influenza epidemic of 1918 b. Immigration from communist Europe c. Child rearing in the Depression d. World War II
The nurse is planning care for a school-age child being admitted to the hospital for a chronic illness. Which hazards of hospitalization for children will the nurse use to plan this patient's care? (Select all that apply.)
A) Meeting new people B) Unsure of acceptable behavior C) Losing control over the environment D) Experiencing physical discomfort and pain E) Being separated from family, school, and friends
A client at 38 weeks' gestation is diagnosed with oligohydramnios. Which statement indicates that teaching has been effective?
1. "When I go into labor, I should come to the hospital right away." 2. "My gestational diabetes may have caused this problem to develop." 3. "Women with this condition usually go into labor after their due date." 4. "This problem is common and will likely occur with my next pregnancy."
A nurse is planning care for a group of patients. Which task will the nurse assign to the nursing assistive personnel?
a. Obtaining a midstream urine specimen b. Interpreting a bladder scan result c. Inserting a straight catheter d. Irrigating a catheter