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Lindsey Jones Exam #6 already graded A+
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Lindsey Jones Exam #6which of the following should be excluded in an evaluation of a pt's ability to learn self
administration medication by MDI
a)manual dexterity
b)level of dementia
c)visual ability
d)language skills - ANSc)visual ablilty
While performing manual ventilation with a self-inflating resuscitator bag through a properly
placed endotracheal tube, a respiratory therapist observes no chest rise. To troubleshoot the
problem, the therapist should?
A. assure the large bore reservoir tubing is connected.
B. adjust the PEEP valve
C. increase the flowrate.
D. check for proper function of the air inlet valve - ANSD) check for proper function of the air
Intel valve.
The scenario suggests that the ET tube is properly placed, therefore the problem must be in the
resuscitator. When the therapist squeezes the device, the air is not being delivered to the
patient, which is why there is no chest rise.
Which of the following equipment is required to determine VD/VT ratio on a patient receiving
mechanical ventilation?
A. capnograph
B. pressure differential pneumotachometer
C. Fleisch pneumotachometer
D. EZ® cap CO2 detector - ANSA) capnography
This question is largely about memorization. You must know what it takes to calculate of the
VD/VT ratio. Of the equipment listed only a capnograph would be helpful because it relates end
tidal CO2.
For a patient with severe mitral-valve stenosis, a balloon-tipped flow-directed pulmonary artery
catheter would be associated with which of the following clinical data?
A. PAP 19 mm Hg and PCWP 7 mmHg
B. PAP 25/8 mmHg
C. PCWP 14 mm Hg and C.O. 4 L/M
D. CVP 9 mm Hg and PAP 9 mmHg - ANSc) PCWP 12 and CO 4
,Mitral valve stenosis is a problem resulting from left heart failure. Problems in the left heart are
manifested hemodynamically with high pulmonary capillary wedge pressure (PCWP) and low or
normal cardiac output.
A 38-week gestational age infant is to receive oxygen therapy by a blender set at 100% with a
heated large-volume nebulizer. To ensure the delivery of the ordered FIO2, the respiratory
therapist should properly set the nebulizer FIO2 to
A. 100%
B. 21%
C. 0%
D. 50% - ANSA) 100%
When using an air-oxygen blender, oxygen percentage is predetermined prior to entering the
large volume nebulizer device. When this happens, the large volume nebulizer should be set at
100% in order to avoid entraining additional room air and lowering FIO2.
A respiratory therapist is asked to assist in the development of a teaching plan for a 7-year-old
asthmatic patient at home. The plan should avoid instructions regarding
A. daily monitoring of peak-expiratory flow rates
B. the water-float technique to determine MDI canister content
C. improving the patient and family's understanding of infection control
D. the proper technique for the use of MDIs - ANSB) the water float tech to determine MDI
canister content
Proper MDI technique, peak-flow monitoring, and improving the understanding of infection
control are all appropriate aspects of a teaching plan for a pediatric patient. Determining MDI
canister content by floating the canister in water is never appropriate. The proper way to assess
content is by actuating the MDI and observing the output.
Which of the following pre/post bronchodilator pulmonary function test results is the most
meaningful in suggesting that a bronchodilator is indicated?
A. FEF 200-1200 increases by 17%
B. FEV1 increases by 150 mL
C. FEV1.0/FVC % increases by 10%.
, D. FVC increases from 2.5 L to 2.6 L - ANSA) FEV1 increases by 150 ml
The two primary considerations in pre-and post-bronchodilator studies are (1) whether flows
increased by at least 12% or more and (2) whether the FEV1 increases by at least 200 mL. The
FEF200-1200, indicating the condition of the large airways, increases by well over 12%, and is
therefore the correct choice.
The resulting flow-volume loop of a patient with pulmonary obstruction following a
bronchodilator shows an inflection point on the positive side of the graph that is 25% taller than
the loop seen prior to the bronchodilator trial. This would indicate that
A. patient may have taken a bronchodilator prior to the test
B. study should be repeated
C. patient would benefit from bronchodilators
D. vital capacity increased by 25% with a bronchodilator - ANSC) pt would benefit from a
bronchodilator
An inflection point is a significant change in direction seen in various types of graphic depictions.
In this case the inflection point represents the top or "peak" of the flow volume loop. This point is
peak flow. An increase in peak flow by 25% is well above the 12% threshold that is considered
significant, indicating bronchodilator therapy.
Which of the following may occur as a result of stimulation of the vagal reflex during a suction
procedure?
A. PVCs
B. decrease in blood pressure
C. first degree heart block
D. increase in heart rate - ANSB) decrease in BP
Suctioning can cause a decrease in heart rate and a decrease in blood pressure. This natural,
physiological response is associated with stimulation of the vagal nerve during suctioning. This
is also called the vagal reflex
A respiratory supervisor is calculating appropriate staffing levels for a shift. Which of the
following should be included in calculation?
A. frequency of refused therapy
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