All of the following statements are true of the APTT EXCEPT:
A. It is used to monitor all oral anticoagulant therapy.
B. It is named APTT because the test reagent contains activators.
C. Kaolin, silica, or other activators activate contact factors in the intrinsic pathway.
D. Factors VII, XIII and PF3 are not assayed.
Answer: A
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Blind nasotracheal intubation is contraindicated if the patient:
a. is apneic. b. has sustained a mandibular injury. C. is anorexic. d. is severely obese.
It is appropriate to suggest which of the following to provide humidification for an intubated pa-tient with a cuffed endotracheal tube, no secretions, and a tidal volume of 500 mL?
a. A heat and moisture exchanger c. Heated aerosol with humidifier b. Heated aerosol or humidifier d. Systemic hydration
Which of the following pulmonary function tests are most useful in determining whether a pa-tient with restrictive lung disease should be considered for pulmonary rehabilitation?
1. DLCO 2. Total lung capacity (TLC) 3. FEV1/FVC a. 1 and 2 only b. 2 and 3 only c. 1 and 3 only d. 1, 2, and 3
The preferred way to stop blood flow is to ask the patient to hold a cotton ball over the site until it stops
Indicate whether this statement is true or false.