Unlock document.
This document is partially blurred.
Unlock all pages and 1 million more documents.
Get Access
How many times per minute do the cilia in the tracheobronchial tree move?
a. 1500 times
b. 2500 times
c. 500 times
d. 50 times
What is the normal adult BSA?
a. 1.5 - 2 m2
b. 1.1-1.49 m2
c. 2.1-2.49 m2
d. 2.5-3 m2
What is the funnel shaped structure formed within the kidney from the expansion of the
ureter?
a. renal pelvis
b. hilum
c. medulla
d. renal papillae
Which clinical measurement is used to evaluate the elastic forces of the lungs?
a. lung compliance
b. airway resistance
c. elastance
d. surface tension
Which of the following would shift the volume-pressure curve to the right?
I. Acute asthma episode
II. Pneumothorax
III. Pleural effusion
IV. Pulmonary edema
a. II, II, and IV only
b. I, II, and IV only
c. I. III and IV only
d. Ii and IV only
Which of the following is true related to oxygen diffusion?
a. It is normally perfusion limited but under certain abnormal pulmonary conditions can
become diffusion limited
b. It is normally diffusion limited but under certain abnormal pulmonary condition can
become perfusion limited
c. It can only be diffusion limited
d. It can only be perfusion limited
What is the average volume of blood contained in the pulmonary capillary bed of a
healthy adult?
a. 75 mL
b. 150 mL
c. 250 mL
d. 500 mL
What is one of the most common iatrogenic complications from a thoracentesis?
a. pneumothorax
b. hemorrhage
c. empyema
d. pleural effusion
What is the secondary stimulus of the peripheral chemoreceptors?
a. increased H+ level
b. decreased PaCO2
c. decreased H+ level
d. increased PaCO2
When Poiseuille's law is rearranged for pressure, what adjustment must be made in
driving pressure to maintain the same flowrate when the radius of the tube is reduced by
50% ?
a. The pressure must be increased to 16 times the original
b. The pressure must be doubled
c. The pressure must be reduced by 50%
d. The pressure must be increased to 4 times the original pressure
Which gas law is the law of partial pressures?
a. Dalton's law
b. Henry's law
c. Boyle's law
d. Graham's law
Which structure extends from the posterior nares to the superior portion of the soft
palate?
a. nasopharynx
b. oropharynx
c. tongue
d. palatine tonsils
Which acid base abnormality is present if the ABG revealed a pH of 7.63, PaCO2 of 27
mmHg, and HCO3- of 31 mEq/L?
a. combined metabolic and respiratory alkalosis
b. combined metabolic and respiratory acidosis
c. metabolic alkalosis
d. respiratory alkalosis
What is the term for the stretching of vessels that were previously open but not to their
full capacity?
a. distention
b. recruitment
c. overfill
d. engorgement
How much sleep is required by the older adult?
a. 6-8 hours per day
b. 8-10 hours per day
c. 10-12 hours per day
d. 12-14 hours per day
Which vessels transports oxygenated blood and nutrients from the placenta to the fetus?
a. umbilical vein
b. umbilical artery
c. placental vein
d. placental artery
At what point are the peripheral chemoreceptors suppressed?
a. PaO2 below 30 mm Hg
b. PaCO2 below 30 mm Hg
c. PaO2 below 60 mmHg
d. PaCO2 below 60 mmHg
At what point in the tracheobronchial tree are Clara cells present?
a. terminal bronchioles
b. respiratory bronchioles
c. subsegmental bronchi
d. bronchioles
What percent of the total body weight can be attributed to blood?
a. 8%
b. 4%
c. 12%
d. 16%
Which of the following are benefits of moderate exercise?
I. Reduced stress, anxiety and depression
II. Reduced weight
III. Decreased bone density
IV. Improved sleep quality
a. I, III, and IV only
b. I, II, III, and IV
c. I and IV only
d. III and IV only
Which portion of the oxhemoglobin dissociation curve illustrates that hemoglobin has a
safety zone for the loading of oxygen in the lungs?
a. flat portion between 90-100% saturation
b. steep portion between 0-25% saturation
c. steep portion between 50-90% saturation
d. flat portion between 50-75% saturation
Which lung volume or capacity remains in the lungs after a normal expiration?
a. FRC
b. ERV
c. RV
d. VC
What are the three promary electrolytes responsible for the electrical difference across
the resting membrane potential?
a. potassium, sodium, and calcium
b. potassium sodiun, and chloride
c. sodium, chloride, and bicarbonate
d. sodium, chloride, and potassium
Of the precordial leads, which are considered to be the anterior leads?
a. V1, V2, V3, and V4
b. V1, V2, and V3
c. V4, V5, and V6
d. V5 and V6
What changes occur in the renal system when the blood volume increases?
a. glomerular pressure rises and the volume of utine produced would increase
b. glomerular pressure rises and the volume of urine produced would decrease
c. the glomerular pressure falls and the urine production would decrease
d. the glomerular pressure falls and the urine production would increase
Which abnormal ventricular mechanism has a QRS rate bewteen 250 and 350 bpm?
a. ventricular flutter
b. ventriculary tachycardia
c. ventricular fibrillation
d. ventricular dysrhythmia
What of the following is used to calculate lung compliance?
a. D V/ D P
b. D P/ D V
c. P1V1=P2V2
d. P=(2ST) / r
What is the average duration of short term insomnia?
a. 1-3 weeks
b. less than 1 week
c. 3-4 weeks
d. 1-3 months
Which portion of the brain gathers information from the peripheral stretch receptors and
relays it to the VRG?
a. DRG
b. apneustic center
c. hypothalamus
d. PRG
Which nerve innervates the carotid sinuses?
a. IX cranial
b. X cranial
c. XI cranial
d. phrenic
What changes can be expected in arterial venous oxygen content difference C(a-v)O2
with aging?
a. It decreases with age
b. It is not affected by aging
c. It remains constant until age 60 then increases
d. It remains constant until age 30 then increases
Which of the following is NOT a primary function of the nose?
a. conduct gas and food to lower airway
b. humidfy inspired gas
c. filter the inspired gas
d. warm the inspired gas
Which measurement reflects the afterlaod of the right ventricle?
a. PVR
b. RVSWI
c. SVR
d. LVSWI
