Which of the following is the least frequent cause of acute respiratory failure needing mechanical ventilation?
a. Sepsis
b. Postoperative respiratory failure
c. Heart failure
d. Aspiration
ANS: D
The most common causes of acute respiratory failure that necessitate mechanical ventilation are listed in Table 48-1.
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When testing for weak D using an indirect antigblobulin test (IAT), cells that are already coated with _____ can give a false-positive reaction in the antiglobulin phase
a. IgA b. IgD c. IgE d. IgG
Fever is a common symptom in which types of transfusion reactions?
a. Acute hemolytic, allergic, febrile nonhemolytic b. Acute hemolytic, febrile nonhemolytic, transfusion-related acute lung injury c. Allergic, febrile nonhemolytic, transfusion-associated circulatory overload d. Anaphylactic, febrile nonhemolytic, transfusion-related immunomodulation
An exudative effusion can cause many different pathologic processes, such as bacterial infections, viral infections, neoplasms, and collagen vascular diseases. What are the typical laboratory results of an exudate?
a. Specific gravity is less than 1.015, total protein is >3.0 g/dL, a ratio of total fluid protein to serum protein is >0.5, a ratio of fluid LD to serum LD is >0.6, and a total leukocyte count usually is >1000/mcL. b. Specific gravity is <1.015, a total protein is < 3.0 g/dL, a ratio of total fluid protein to serum protein is <0.5, ratio of fluid LD to serum LD is <6.0, and a total leukocyte count usually is <1000/mcL. c. Specific gravity is <1.015, a total protein is < 3.0 g/dL, a ratio of total fluid protein to serum protein is more than 0.5, ration of fluid LD to serum LD is <6.0, and a total leukocyte count usually is >5000/mcL. d. Specific gravity is >1.015, a total protein is >3.0 g/dL, a ratio of total fluid protein to serum protein is >0.5, a ratio of fluid LD to serum LD is >0.6, and a total leukocyte count usually is> 1000/mcL.
The final step of the cell cycle, when the cell splits into two new cells, is known as:
A) DNA synthesis B) mitosis C) resting stage D) gap phase