Unlock document.
This document is partially blurred.
Unlock all pages and 1 million more documents.
Get Access
What volume of carbon dioxide is produced per minute by the average adult at rest?
a. 200 mL/min
b. 250 mL/min
c. 100 mL/min
d. 150 mL/min
To what structure is the uvula attached?
a. soft palate
b. hard palate
c. palatopharyngeal arch
d. palatoglossal arch
During a sleep study, which of the following monitors oxygen saturation?
a. oximeter
b. thermistor
c. co-oximeter
d. ETCO2
During a 6 hour sleep study period, approximately how many 30 sec epochs would be
recorded?
a. 720
b. 120
c. 240
d. 480
What is the most frequent cause of hearing loss in young children?
a. otitis media
b. sinusitis
c. tonsillitis
d. pharyngitis
If the hemoglobin level is 16 g%, what is the maximum quantity of oxygen that can be
transported bound to the hemoglobin?
a. 21.44 vol %
b. 21.74 vol%
c. 20.93 vol %
d. 16 vol%
What effect would early septic shock and hyperthermia have on stroke volume?
a. both would increase the stroke volume
b. both would decrease the stroke volume
c. hyperthermia would increase the stroke volume but early septic shock would lower it
d. early septic shock would increase the SV but hyperthermia would lower it
What is the term for the situation that exists when the volume of CO2 eliminated from
the lungs is less than the volume of CO2 produced at the tissue cells?
a. hypoventilation
b. hyperventilation
c. hypoperfusion
d. hyperperfusion
In the upright position, which region of the right lung would have the lowest
ventilation-perfusion ratio?
a. lower lobe
b. upper lobe
c. middle lobe
d. hilum
What is the normal value for the respiratory exchange ratio?
a. 0.8
b. 1.0
c. 0.6
d. 1.25
What effect will supression of the VRG by overdose of alcohol or morphine have on
ventilation?
a. breathing completely stops
b. respiratory rate increases
c. respiratory rate decreases
d. respiratory rate and depth of breathing increases
A semi-conscious patient with a severe asthma episode continues to deteriorate
clinically in ER and does not respond to treatment. Which acid base abnormality would
you expect to be present?
a. combined metabolic and respiratory acidosis
b. respiratory acidosis
c. metabolic acidosis
d. respiratory alkalosis
Which of the following may occur when the lungs are exposed to noxious gases and the
irritant reflex is activated?
I. Ventilatory rate increases
II. Reflex cough
III. Sneeze
IV. Bronchospasm
a. I, II, III, and IV
b. I and III only
c. I, II, and III only
d. I and III only
Which structures produce and release ADH?
a. hypothalamus and pituitary gland
b. pituitary gland and adrenal glands
c. hypothalamus and adrenal glands
d. medulla and pituitary gland
In a normal adult, what is the normal range for MAP?
a. 80-100
b. 60-80
c. 100-120
d. 40-60
Which portion of the ECG tracing represents ventricular depolarization?
a. QRS complex
b. PR interval
c. P wave
d. T wave
What portion of the total amount of CO2 transported is carried as dissolved CO2 in the
plasma?
a. 5%
b. 1%
c. 10%
d. 20%
Which abnormal breathing pattern is most commonly associated with ketoacidosis?
a. Kussmaul's
b. Biot's
c. Cheyne Stokes
d. Hypopnea
In the prone position, what is the gravity dependent area of the lungs?
a. anterior portion of both lungs
b. posterior portion of both lungs
c. apices only of both lungs
d. bases only of both lungs
In an adult, into which structure would an endotracheal tube likely enter if the tube is
inadvertently advanced too far?
a. right mainstem bronchus
b. left mainstem bronchus
c. right middle lobar bronchus
d. left lower lobar bronchus
What is another term for "flat-line"?
a. asystole
b. complete AV block
c. ventricular flutter
d. ventricular fibrillation
Cancer of the kidneys accounts for what percent of all cancers?
a. 1-2%
b. 5%
c. 8%
d. 12%
Which of the following can occur with PPV?
I. Decreased cardiac output
II. Decreased arterial blood pressure
III. Increased pulmonary vascular resistance
a. I, II, and III
b. I only
c. I and III only
d. II and III only
On an ECG when the ventricular heart rate is regular, the rate can be determined by
counting the number of large squares between two consecutive QRS complexes then
a. dividing 300 by that number of large squares
b. dividing 200 by that number of large squares
c. dividing 400 by that number of large squares
d. dividing 600 by that number of large squares
At what frequency do Circadian rhythms occur?
a. once about every 24 hours
b. once per week
c. once every 28 days
d. once every calendar month
Which of the following simulates a continuous low barometric pressure environment?
a. hypoxicator
b. low flow oxygen system
c. negative pressure ventilator
d. cuirass
What separates the blood from the CSF in the medulla?
a. a semipermeable membrane called the blood-brain barrier
b. a membrane that is permeable to H+ and bicarbonate ions
c. a thick gelatinous membrane that is impermeable to CO2 molecules
d. nothing-they are in direct contact
In the upright position, which portion of the lungs has the most negative pleural
pressure?
a. apex
b. base
c. hilum
d. intrapleural pressure is uniform throughout all lung areas
For the FEVT, what is the most frequently used time interval?
a. 1 second
b. 0.5 second
c. 2 second
d. 3 second
How is the work of the heart affected by aging?
a. It decreases 1% per year
b. It increases 1% per year
c. It decreases by 3% per year
d. It increases by 3% per year
What is the blood's adaptive response to low oxygen levels resulting from residing at
high altitudes?
a. polycythemia
b. megacythemia
c. anemia
d. leukocytosis
How is the rate determined on an ECG when the ventricular heart rate is irregular?
a. Count the number of QRS complexes in a 2 vertical marks then multiply by 10
b. Count the number of QRS complexes in 3 vertical marks then multiply by 10
c. Count the number of QRS complexes in a 2 vertical marks then multiply by 6
d. Count the number of QRS complexes in a 3 vertical marks then multiply by 6
In the lungs, what substances does carbonic acid primarily dissociate into for removal?
a. CO2 and H20
b. HCO3- and H+
c. lactic acid
d. carbamino Hb
What is the term for the ability of the heart cells to transmit electrical current from cell
to cell?
a. conductivity
b. contractility
c. automaticity
d. irritability
