NURS 27893

subject Type Homework Help
subject Pages 18
subject Words 1316
subject Authors Terry Des Jardins

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page-pf1
What is "best PEEP"?
a. The PEEP level that has the least hemodynamic compromise and the maximum total
oxygen delivery
b. The PEEP level that has the lowest effect on PaCO2
c. The PEEP level that delivers the highest PaO2 with the least hemodynamic
compromise
d. The PEEP level that delivers the highest cardiac output
What does a flat ST segment usually indicate?
a. ischemia
b. normal ECG tracing
c. disconnected electrode
d. hyperkalemia
page-pf2
Which of the following can stimulate the peripheral chemoreceptors?
I. Hypoperfusion
II. Increased temperature
III. Nicotine
a. I, II, and III
b. I only
c. I and III only
d. II only
page-pf3
What portion of an FVC maneuver is affected by the dynamic compression of the walls
of the airways?
a. last 70%
b. first 70%
c. last 30%
d. first 30%
What gas or gas mixture does a patient breathe when the body plethysmography method
is used?
a. room air
b. 100% N2
page-pf4
c. 100% O2
d. He-O2 mixture
Which of the following are examples of restrictive lung disorders?
I. Flail chest
II. Emphysema
III. Pleural effusion
IV. Cystic fibrosis
a. I and III only
b. II and IV only
c. I, II and IV only
d. I, II, III, and IV
page-pf5
Which gas is used to test the physiologic effectiveness of the alveolary-capillary
membrane?
a. CO
b. CO2
c. O2
d. N2O
Which term refers to "low or inadequate oxygen for aerobic cellular metabolism"?
page-pf6
a. hypoxia
b. hypoxemia
c. anoxia
d. lactic acid
What of the following factors cause a reduction in the pulmonary vascular resistance
following the first breath?
I. Increased alveolar pressure of oxygen
II. Removal of lung fluid which reduces pressure on pulmonary vessels
III. Increase in lung volumewhich widens the caliber of extralveolar vessels
a. I, II, and III
b. I and II only
c. I only
d. II and III only
page-pf7
During heavy exercise, what percent of the maximal exercise level is reached during the
second stage?
a. 60-70%
b. 50-60%
c. 40-50%
d. 30-40%
page-pf8
If a registered repiratory therapist succesfully completes the NBRC's neonatal/pediatric
specialty credential, what credential would be awarded?
a. RRT-NPS
b. CRT-NPS
c. NPRCS
d. None-no such credential exists
Which abnormal atrial mechanism is often one of the first signs of CHF?
a. atrial bigeminy
b. atrial tachycardia
c. atrial flutter
d. atrial fibrillation
page-pf9
In a healthy adult at rest, what is the normal range for stroke volume?
a. 60-130 mL
b. 30-65 mL
c. 20-120 mL
d. 40-60 mL
Which of the following contribute to the wide variance between maternal and fetal PO2
and PCO2?
I. The placenta is an actively metabolizing organ
II. Regional variations occur in placental permeability
III. Maternal and fetal vascular shunts occur
a. I, II, and III
b. I and III only
c. I and II only
d. II and III only
page-pfa
What does the "a" represent in the unipolar limb leads?
a. augmentation
b. attenuation
c. alteration
d. abatement
page-pfb
Which of the following would you expect to be reduced during an acute asthma
episode?
a. PEFR
b. RV
c. heart rate
d. FRC
At what gestational age after fertilization do primitive lobar bronchi first appear?
a. 30-32 days
b. 24-26 days
c. 42-45 days
d. 38-40 days
page-pfc
In atrial fibrillation, what is the approximate atrial rate?
a. 300-600 bpm
b. 100-300 bpm
c. 200-400 bpm
d. 400-800 bpm
What is the normal range for cardiac output in a healthy adult at rest?
page-pfd
a. 4-8 L/min
b. 0-8 L/min
c. 4-12 L/min
d. 0-12 L/min
What percentage of the atmosphere does nitrogen compose?
a. 78%
b. 88%
c. 68%
d. 58%
page-pfe
Which of the following can cause sinusitis?
I. Upper respiratory infection
II. Dental infection
III. Air travel
IV. Scuba diving
a. I, II, III, and IV
b. I and II only
c. I, II, and III only
d. I, II, and IV only
page-pff
When Poiseuille's law is rearranged for flow with pressure remaining constant, what
impact would reducing the radius of a tube by 50% have on the gas flow?
a. It would be reduced to 1/16 of the original flow
b. It would increase to 16 times more than the original flow
c. It would increase to 16 times more than the original flow
d. It would be reduced to 1/4 the original flow
When excessive secretions are present in the lungs, what term describes the sound
heard by ascultation over large airways during exhalation?
a. rhonchi
b. wheeze
c. crackles
d. stridor
page-pf10
What is the term for the openings in the walls of interalveolar septa?
a. Pores of Kohn
b. Canals of Lambert
c. Clara cells
d. Loose space
What instrument is used to measure Patm ?
a. barometer
page-pf11
b. hygrometer
c. altimeter
d. dynameter
If a patient has a heart rate of 70 beats/min and a cardiac output of 4.9 L/min, what
would the SV equal?
a. 70 mL/beat
b. 0.7 L/beat
c. 343 mL/beat
d. 34.3 mL/beat
page-pf12
In which sleep stage(s) would sleep spindles appear?
a. N2 and N3
b. N1
c. Stage W
d. REM
What is the normal range for right atrial pressure in a healthy adult?
a. 0-8 mm Hg
b. 4-12 mm Hg
c. 9-18 mm Hg
page-pf13
d. 19-24 mm Hg
What is the superior portion of the sternum called?
a. manubrium sterni
b. body
c. xiphoid process
d. maxilla sterni
page-pf14
Which of the following are granulocytes?
I. Lymphocytes
II. Neutrophils
III. Eosinophils
IV.Basophils
a. II, III, and IV only
b. I, II, III, and IV
c. I only
d. II and III only
page-pf15
At 66 feet below the surface of the water, what would the pressure equal expressed in
mm Hg?
a. 760 x 3 = 2280 mm Hg
b. 760 x 2 = 1520 mm Hg
c. 66 x 2 = 132 mm Hg
d. 66 x 3 = 198 mm Hg
From which layer of the heart wall is the electrical conduction system formed?
a. myocardium
b. endocardium
c. epicardium
d. pericardium
page-pf16
Which lung volume or capacity is defined as the amount of gas that can forcibly
exhaled after a normal tidal volume?
a. ERV
b. IRV
c. RV
d. FRC
How many segmental bronchi are found in each of the lungs?
a. 10 in right lung, 8 in left lung
b. 8 in right lung, 10 in left lung
page-pf17
c. each lung has 8
d. each lung has 10
What shape would be associated with obstructive lung disease on the FEF50% of a flow
volume loop?
a. cup-like or scooped out effect
b. straight line
c. sawtooth
d. long, extended outward curve
page-pf18

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