Which of the following statements about the use of vasopressors in the treatment of anaphylaxis is TRUE?
A) A norepinephrine infusion can correct the peripheral vasodilation that occurs secondary to SRS-A release by basophils and mast cells.
B) A norepinephrine infusion encourages a net movement of plasma from the intravascular space to the vascular space, raising blood pressure.
C) An epinephrine infusion can correct the peripheral vasodilation that occurs secondary to SRS-A release by basophils and mast cells.
D) A dopamine infusion can correct the peripheral vasodilation that occurs secondary to histamine release by basophils and mast cells.
D
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You are attempting orotracheal intubation with a laryngoscope handle and a #3 curved blade on a 210-pound, obese male. You cannot achieve adequate glottic visualization for passing the tube despite application of cricoid pressure. Which one of the following changes could be helpful on your next attempt?
A) Use a #2 curved blade. B) Use a #1 straight blade. C) Use a gum elastic bougie. D) Cease application of cricoid pressure.
How do CELL-DYN instruments differentiate red cells and platelets from one another?
a. Differences in forward scatter using optical light scatter principle b. Use of a unique reagent that selectively lyses red cells while preserving platelets c. Differences in volume (fL) using electrical impedance principle d. Use of a unique reagent that selectively lyses platelets while preserving red cells
The primary care provider (PCP) is responsible for __________
a. being a gatekeeper to provide services at the highest possible cost b. denying all referrals to specialists and inpatient hospital admissions c. providing nonessential health care services to all patients d. supervising and coordinating health care services for enrollees
Medicare reimburses hospice care on a ____________________ basis
A) cost B) ?per diem C) capitation D) ?prospective