What is the purpose of plasmapheresis in the treatment of rheumatoid arthritis?
a. To add corticosteroids to relieve pain
b. To remove pathologic substances present in the plasma
c. To remove waste products such as urea and albumin
d. To add antinuclear antibodies
ANS: B
Plasmapheresis is the removal of plasma-containing components causing or thought to cause disease.
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A patient with reduced glomerular filtration has a blood pressure of 168/100 mm Hg. The nurse suspects which pathophysiological effect is occurring?
1. Rebound hypertension due to fluid volume deficit 2. Sluggish response by the renin-angiotensin system 3. Kidneys hyper-excreting hydrogen ions 4. Increased renin production causing the retention of water and electrolytes
Which of the following are NOT nicotinic effects of sarin exposure?
a. tachycardia c. bronchial restriction b. hypertension d. muscle cramping
When educating a group of students about the pituitary hormones, which should the nurse identify as the function of vasopressin?
A) Stimulates growth and secretion of ovarian follicles B) Stimulates the uterus to contract C) Stimulates contraction of blood vessels D) Stimulates growth in body tissues
Antitussives work by:
A. decreasing the viscosity of bronchial secretions B. dissolving mucus C. providing a local anesthetic effect D. inhibiting the medullary cough center