Which of the following functions are carried out by the renal system in order to maintain a state of homeostasis within the body?
a. Maintenance of fluid and electrolyte balance
b. Maintenance of pH
c. Supply of nutrients to the body
d. Excretion of nitrogenous waste products
e. Fighting infection
Ans: a,b,d.
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The nurse is teaching peers about infection. Which of the following statements made by the nurse is accurate?
1. "Microorganisms are always harmful to the human organism." 2. "An infection is defined as an invasion of the body by any microorganism." 3. "Infections can be caused by a virus, bacteria, or fungi." 4. "Antibiotics are effective for all infections."
Food is propelled through the esophagus by
a. gravity. c. cardiac sphincter suction. b. salivary fluids. d. peristalsis.
A certified nurse?s aide (CNA) has been reported to the nurse manager for refusing to wash her hands between giving clients their morning care. Which of the following statements by the nurse manager would be the most effective?
1. ?Do you need a class on hand washing?? 2. ?Forgetting to wash your hands between clients can lead to spread of infection.? 3. ?Why do you refuse to wash your hands?? 4. ?If I hear of any more instances of your not washing your hands, I will write you up.?
Lispro, a rapid-onset, short-acting insulin, differs from regular insulin in which way?
a. Longer duration b. Shorter duration c. Costs more to produce d. Costs less to produce