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Which type of anemia is due to snake venom?
a. hemolytic
b. hemorrhagic
c. pernicious
d. aplastic
Which low voltage wave may become more prominent in the presence of electrolyte
disturbances, heart disease, or certain medications?
a. U wave
b. Y wave
c. T wave
d. P wave
Which nerve innervates the baroreceptors in the aortic arch?
a. vagus
b. phrenic
c. glossopharyngeal
d. hypoglossal
Of the limb leads, which leads are considered to be the inferior leads?
a. Leads II, III, and aVF
b. Leads II, III, and aVR
c. Leads I, II, III and aVR
d. Leads I, II, III and aVF
In a healthy adult at rest, what is the normal range for left ventricular stroke work index
?
a. 40-60 g m/m2
b. 2-19 g m/m2
c. 20-39 g m/m2
d. 61-80 g m/m2
Which portion of the ECG tracing represents the time between ventricular
depolarization and repolarization?
a. ST segment
b. T wave
c. QRS complex
d. PR interval
What is the most prevalent acid-base abnormality among natives at high altitudes?
a. mild respiratory alkalosis
b. mild respiratory acidosis
c. mild metabolic acidois
d. mild metabolic alkalosis
In Case Study 1, the patient's blood pressure was 78/42 mm Hg. What would her MAP
equal?
a. 54 mm Hg
b. 62 mm Hg
c. 36 mm Hg
d. 68 mm Hg
Which reflex or center allows conscious, voluntary control over breathing?
a. cerebral cortex
b. cerebellum
c. hypothalamus
d. pons
Which hemodynamic value reflects the amount of work required by the right ventricle
to pump blood?
a. RVSWI
b. SV
c. SVI
d. RAP
What is the normal extracellular potassium concentration?
a. 3.5 - 5 mEq/L
b. 1.5 - 3 mEq/L
c. 4 - 6.5 mEq/L
d. 5-7.5 mEq/L
What is the term for the abnormal collection of fluid in the pleural cavity?
a. pleural effusion
b. empyema
c. pneumothorax
d. hemothorax
What are the divisions of the pontine respiratory centers?
a. PRG and apneustic center
b. DRG and apneustic center
c. VRG and apneustic center
d. PRG and proprioceptor center
What is the term for substance that dissociates completely in water to liberate all of the
H+?
a. strong acid
b. weak acid
c. strong base
d. weak base
How does the body correct for alveolar hyperventilation?
a. metabolic acidosis
b. metabolic alkalosis
c. respiatory acidosis
d. It can"t without the adminsitartion of supplemental oxygen
Which daytime diagnostic test objectively tests sleepiness by monitoring sleep latency?
a. MSLT
b. MWT
c. PSG
d. MSG
What is the general term for the administration of gases at increased ambient pressures
via a compression chamber?
a. hyperbaric medicine
b. bariatric medicine
c. positive pressure medicine
d. hypobaric medicine
Which gas law states that the total pressure exterted by a mixture of gases is equal to
the sum of the pressures exerted by each gas in the mixture?
a. Dalton's
b. Henry's
c. Graham's
d. Boyle's
By what amount can ventilation increase during strenuous exercise?
a. up to 20-fold increase
b. 10-fold increase
c. 5-fold increase
d. 2-fold increase
What is the normal hemoglobin value for adult males?
a. 14-16 g%
b. 12-15 g%
c. 15-18 g%
d. 12-18 g%
Which type of hypoxia is also called stagnant hypoxia?
a. circulatory
b. histotoxic
c. anemic
d. hypoxemic
What effect would myocardial infarction and pulmonary emboli have on SVI?
a. They would decrease SVI
b. They would increase SVI
c. MI would decrease SVI and pulmonary emboli would have no effect on SVI
d. Pulmonary emboli would decrease SVI and myocardial infarction would increase
SVI
In addition to bedside spirometry, what additional information can useful to help
differentiate between obstructive and restrictive lung disorders and their severity and
help formulate a therapeutic plan?
I. History
II. Chest X-ray
III. ABG
IV. Comprehensive pulmonary function study
a. I, II, III, and IV
b. I and IV only
c. I , II, and IV only
d. I and II only
Where is the vasomotor center located?
a. medulla oblongata
b. pons
c. hypothalamus
d. cerebral cortex
Which clinical condition is most commonly associated with too rapid of an ascent from
a deep dive?
a. decompression sickness
b. pneumothorax
c. pleural effusion
d. pulmonary edema
What primary factor is responsible for the normal change in oxygen diffusion capacity
during maximum exercise?
a. The increased cardiac output results in recuitment of pulmonary capillaries
b. The increased cardiac output results in increased ventilation/perfusion mismatch
c. Hyperventilation results in increased increased PaO2s
d. Hyperventilation results in lowered H+ levels which shifts the oxygen dissociation
curve
How many feet below the water's surface must a diver reach to be subjected to a total
pressure of 4 atmospheres?
a. 99 feet
b. 66 feet
c. 33 feet
d. 132 feet
What is the net filtration pressure in the glomeruli?
a. 10 mm Hg
b. 30 mm Hg
c. 55 mm Hg
d. 75 mm Hg
When a tension pneumothorax occurs during positive pressure ventilation, how will the
cardiac output and blood pressure affected?
a. Both will decrease
b. Both will increase
c. The cardiac output will increase but the BP will decrease
d. The BP will increase but the BP will decrease
Approximately what percent of newborns have life-threatening renal malformations?
a. 10%
b. 15%
c. 3%
d. 6%
How does the breathing pattern change when a patient with COPD develops a
secondary restrictive lung condition such as pneumonia?
a. respiratory rate increases
b. respiratory rate decreases and tidal volume increase
c. respiratory rate and tidal volume decrease.
d. no breathing pattern changes would occur.
Which portion of the ECG tracing represents total ventricular activity?
a. QT interval
b. QRS complex
c. T wave
d. U wave
