TMC- Test bank questions and rationale.pdf file:///C:/Users/HP/Desktop/TYPA%20NEW/TMC-%20Test%20ban
TMC- Test bank questions and rationale
1. A patient with normal lungs should be able exhale what percentage of theFVC
within one second after initiating an Forced Vital Capacity maneuver?
A. 35-50% of the FVC
B. 50-70% of the FVC
C. 70-83% of the FVC
D. 84-93% of the FVC: The normal range for the FEV1 as a percent of the FVC(FEV1%) is
70-83%. Patients with
obstructive pulmonary disease will show a reduction in timed FEV% values, while patients
with restrictive disorders will generally exhibit normal (or sometimes high)FEV% values.
ANS70-83% of the FVC
2. Simple spirometry can be used to measure any of the following except:
A. vital capacity
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B. residual volume
C. tidal volume
D. inspiratory reserve volume: Residual volume is defined as the amount of air leftin the lungs
after a maximal
exhalation. Because the RV cannot be exhaled, it is impossible to be measured by simple
spirometry. And because the RV is a component of the FRC and TLC, simple spirometry also
cannot measure these capacities.
ANSresidual volume
3. A patient presents to the emergency room with a depressed level of con-sciousness
and is severely agitated. Which of the following approaches can be used toobtain
their medication history?
A. obtain and review the patient's past medical history
B. ask the patient's nurse about the patient's prescriptions
C. request that the lab run a comprehensive blood drug screen
D. obtain the patient's current prescription vials from the family: For patientswith a
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depressed level of consciousness or severe agitation, you may have
to obtain the medication history from the family members.In these cases, it also maybe useful to
either obtain information on the pharmacies where the patient has prescriptions filled, or
request that a family member provide the hospital pharmacy
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with all the patient's current prescription vials for review.
ANSobtain the patient's current prescription vials from the family
4. Which of the following thoracic ultrasound findings will show with thepresence
of
a pneumothorax?
A. presence of gliding sign
B. absence of A-lines
C. presence of barcode sign
D. presence of seashore sign: The following are ultrasound findings consistentwith the
presence of an underlying
pneumothorax: absence of the gliding sign and B-lines, and the presence of A-linesand
(on M-mode) the barcode sign. A lung point sign (or lead point) also may be presentin
patients with a pneumothorax, representing the transition between an area where pleural
gliding is visible and where it stops (demarcating the beginning of air in thepleural space).The
presence of the seashore sign on M-mode rules out pneumoth-orax.
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