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NBRC EXAM, Part I questions with answers
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NBRC EXAM, Part I questions with answers
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NBRC EXAM, Part I questions with answersPATIENT ASSESSMENT:
All the following could cause capnography to go from 3 6 to 30 EXCEPT:
A. Endotracheal tube positioned in the right mainstream bronchus
B. Hyperventilation
C. pulmonary emboli
D. Hypovolemia - ** VERIFIED ANSWERS **✔✔Endotracheal tube positioned in right mainstem
bronchus is a problem but the co2 reading would not change, so
ANSWER is A.
What is the target Vt for individual on mechanical ventilation - ** VERIFIED ANSWERS **✔✔6-8
ml/kg (of ideal body weight) This is new strategy as of January 2015
Is the following Static OR Dynamic Compliance:
Means flow throughout the respiratory system has stopped and all ventilatory muscle activity is
absent. _______ conditions can be imposed with an inspiratory pause when a patient is sedated and
mechanically ventilated. - ** VERIFIED ANSWERS **✔✔Static Compliance
Is the following Static OR Dynamic Compliance:
Flow at airway opening is zero. Mechanics are evaluated under ______ conditions, when non-
intubated patient breathes spontaneously. - ** VERIFIED ANSWERS **✔✔Dynamic Compliance
A balloon tipped flow directed catheter is positioned in the pulmonary artery with the balloon
deflated. Which of the following pressures will be measured by the proximal lumen:
a. Cvp
b. Pap
c. Pwp
,d. Map - ** VERIFIED ANSWERS **✔✔ANSWER is A. Cvp = deflated/proximal lumen
Pap = deflated/distal
Pwp = inflated/wedged
All of the following will affect the accuracy of a capnography EXCEPT
a. Long sampling line
b. Low sampling flow
c. Condensation in the tubing
d. Use of desiccant - ** VERIFIED ANSWERS **✔✔Gas will pass through and out of a long
sampling line before reaching analyzer so, low sampling flow will not give you enough information
for a good reading, and condensation as a rule is always a problem especially in analyzers. Dessicant
removes moisture from the gas, which is a good thing, so
ANSWER is D
A 1000 g neonate (normal baby is 3000 g) is stable in nicu. Which of the following should the
respiratory therapist use to monitor the neonates overall cardiopulmonary status.
a. TcPCO2 and TcPO2 monitor
b. Arterial blood gas analysis Q4
c. SpO2 monitor
d. Capillary gas analysis Q8 - ** VERIFIED ANSWERS **✔✔Since the baby is stable, go less invasive,
also go continuous monitoring (not 4 hour or 8 hour), Transcutaneous (Tc) continuous monitoring
of CO2 and O2 is the best. Answer is A
A unilateral wheeze would most likely indicate which of the following.
a. Asthma
b. Atelectasis
c. Foreign body aspiration
d. Epiglottitis - ** VERIFIED ANSWERS **✔✔You wouldn't have asthma on just one side
(unilateral), atelectasis would cause diminished breath sounds, with epiglottitis you would get
,stridor, since you are only hearing wheezing on one side, you are hearing it on the side where you
aspirated something,
so ANSWER is C
All of the following would be associated with the presence of a pneumothorax EXCEPT
a. Tracheal deviation
b. Dull percussion
c. Absent breath sounds
d. Respiratory distress - ** VERIFIED ANSWERS **✔✔With pneumothorax you would hear a high
pitch hyperresonnance, breath sounds would be absent, and respiratory distress could be present.
Dull percussion would NOT be present,
so ANSWER is B.
What should you recommend FIRST for a patient with multifocal pvc's
a. Administration of lidocaine
b. Administration of 100% oxygen
c. Administration of atropine
d. Administration of epinephrine - ** VERIFIED ANSWERS **✔✔Multiple pvc's coming from
multiple locations (multifocal) is a real problem and you should administer oxygen FIRST, so
ANSWER is B. lidocaine will help reduce irritability of heart and help with pvc's but would not be
first option, atropine is used for bradycardia and cardiac irregularities but not pvc's, epinephrine is
emergency drug not for pvc's but more for pulseless ventricular tachycardia or ventricular fibrilation
where heart is not responding .
What is the normal range for the mean pulmonary artery pressure in an adult
a. 2-6 mm Hg
b. 4-12 mmHg
c. 9-18 mmHg
d. 21-28 mmHg - ** VERIFIED ANSWERS **✔✔Mean pulmonary artery pressure in an adult should
be in the teens
, so best ANSWER is C
A patient in the emergency dept has frothy secretions, moist crackles, and tachypnea. The patient
has marked dyspnea and a history of heart disease. Which of the following should the respiratory
therapist recommend.
1.suction immediately
2.administer 100% oxygen
3.place in Fowlers position
4.administer furosemide - ** VERIFIED ANSWERS **✔✔This is an emergency, they are having
heart problems, dyspnea, frothy secretions indicating severe pulmonary edema, etc. so 100% oxygen
immediately, having the patient in the Fowlers position (an upright position) will help pull fluid
down away from the lungs, furosemide is a lasix (loop diuretic) which gets rid of excess fluid. You do
NOT suction someone with frothy secretions and heart problems, this just delays appropriate
therapy. So ANSWER is 2,3,4
Fine crepitant crackles are most commonly associated with which of the following conditions.
a. Bronchiectasis
b. Congestive heart failure
c. Pneumonia
d. Croup - ** VERIFIED ANSWERS **✔✔Crackles are associated with fluid so a, b, and c would be
good answers, but "fine crepitant" crackles indicates fluid entering alveoli (pulmonary edema) which
is most often caused by heart failure so the best ANSWER is B. (with croup you would hear more of
a stridor sound).
A patient is found in full cardiopulmonary arrest. CPR is started and the patient is orally intubated
with an EtCO2 monitor attached. Which of the following EtCO2 patterns would the respiratory
therapist expect to observe on the monitor?
a. Initially high, then falling
b. Initially low, then rising
c. Initially high, stays high
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