Which unusual laboratory finding may be present in sepsis-induced DIC?
a. Fibrinogen may be high because it is an acute phase reactant.
b. Schistocytes are absent because the fever destroys them.
c. D dimer is low because the toxins prevent fibrin lysis.
d. The PT and PTT are low because bacteria interfere with these tests.
ANS: A
Fibrinogen levels may drop in DIC, but because fibrinogen is an acute phase reactant it may actually be increased in the presence of an inflammatory process such as sepsis.
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At what age do pulmonary volumes and expiratory flow rates start to decrease?
A. 60 years B. 40 years C. 50 years D. 25 years
Which of the following patient skills are necessary to ensure effectiveness of drug administration via the aerosol route?
1. Ability to keep track of dosing requirements 2. Understanding of the methods and goals of therapy 3. Ability to recognize undesirable side effects a. 1 and 2 only b. 1 and 3 only c. 2 and 3 only d. 1, 2, and 3
When the sensing crystals contained in the thermoluminescent dosimeter are irradiated, which of the following occurs?
a. The protons in the crystalline lattice structure of the LiF molecule absorb energy and are excited to a higher energy level or bands. b. The neutrons in the crystalline lattice structure of the LiF molecule absorb energy and are excited to a higher energy level or bands. c. Some of the electrons in the crystalline lattice structure of the LiF molecule absorb energy and are excited to higher energy levels or bands. d. The electrons freed from the LiF molecule are trapped at a lower energy level or bands.
During quiet expiration, alveolar pressure is approximately ____________________ cm H2O
Fill in the blank(s) with correct word