The most common type of hepatitis is
A) hepatitis A.
B) hepatitis B.
C) hepatitis C.
D) hepatitis D.
A
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The nurse knows which of the following statements listed below is accurate regarding the functions and nature of cytokines relative to a variety of pathologies?
A) "A particular cytokine can have varied effects on different systems, a fact that limits their therapeutic use." B) "Cytokine production is constant over time, but effects are noted when serum levels cross a particular threshold." C) "Most cytokines are produced by granular leukocytes, and different cells are capable of producing the same cytokine." D) "Cytokine actions are self-limiting, in that activation of one precludes activation of other cytokines with similar actions."
Garrin is a 7-year-old boy with cystic fibrosis. The disease is caused by a genetic defect on chromosome 7. As a result, there is a defective production of protein chloride channels in epithelial cell membranes
One effect of the disease is the production of thick mucous that accumulates in Garrin's bronchial passages. As a result, he attends a physiotherapy clinic regularly for chest percussion treatments to loosen the respiratory mucous. Garrin's disease is hereditary. What does it mean to have a genetic defect on chromosome 7 in terms of DNA, genes, and chromosomes? In cystic fibrosis, cellular chloride channels are defective. Anatomically what type of channel is this, and what is its importance in cell function? In the mucus-secreting cells of the lungs, chloride and sodium remain in the cell. How does this result in the production of thick, viscous mucus in the bronchial passages?
Which of the following best describes a condition in which there is decreased oxygen in the tissues?
A. Acidosis B. Hypoxemia C. Hypoxia
Mrs. Johnson is an older adult African American who has gone to the clinic where a RN volunteers twice a week. Mrs. Johnson is a diabetic and has some skin breakdown on the calf of her right leg. Mrs. Johnson's skin is very darkly pigmented
In order to best examine Mrs. Johnson's skin, the nurse should use: A. ultraviolet light. B. florescent light. C. natural sunlight. D. incandescent light.