airway homework 76-100

Question 1

which of the following is most significant ia a patient with acute respratory distress?
A) a regular heart beat of 110 beats/min
B) a family history of pulmonary embolism
C) prior ICU admission for the same problem
D) low grade fever and flu like symptoms

Answer 1

C

Question 2

which of the following interventions is NOT appropriate when treating an unresponsive patient whose airway is obstructed by a dental appliance?
A) abdominal thrusts
B) chest compressions
C) direct laryngoscopy
D) use of magill forceps

Answer 2

A

Question 3

endotracheal intubation is most accuratly defined as:
A) inserting an ET tube through the vocal cords via the patients mouth.
B) passing an ET tube through an opening in the cricothyroid membrane.
C) inserting an ET tube through the glottic opening via the patients nose
D) passing an ET tube through the glottic opening and sealing off the trachea

Answer 3

D

Question 4

the most effective way to minimize the risk of hypoxia while intubating a child is to:
A) limit your intubation attempt to 20 seconds
B) monitor the childs cardiac rhythem at all times.
C) premedicate the child with 0.02 mg/kg of atropine
D) not allow the oxygen saturation to fall below 100%

Answer 4

A

Question 5

the MOST obvious risk associated with extubation is:
A) moderate airway swelling as the ET tube is removed
B) overestimating the patients ability to protect his or her own airway
C) patient retching and gagging as you remove the ET tube
D) stimulation of the parasympathetic nervous system with resulting bradycardia

Answer 5

B

Question 6

supplemental oxygen given to a patient with an acute myocardial infarction:
A) will prevent the patient from developing a lethel cardiac dysrhythmia
B) should not exceed 3 L/min in order to prevent oxidative injury
C) insert an orogastric tube to releive gastric destention
D) ventilate the patient at a rate of 12-20 breaths per min

Answer 6

A

Question 7

intrapulmonary shunting is defined as:
A) a return of unoxygenated blood to the left side of the heart
B) a decreas in the surface area of the alveoli caused by damage
C) a condition in which too much carbon dioxide is eliminated
D) failure of blood to bypass an obstruction in a pulmonary artery

Answer 7

A

Question 8

the average peak expiratory flow rate in a healthy adult is approximitly:
A) 450 mL
B) 550 mL
C) 650 mL
D) 750 mL

Answer 8

B

Question 9

proper insertion of the LMA involves:
A) inserting the LMA into the patients mouth by following the curvature of the patients tongue
B) lifting the patients jaw upward and blindly inserting the LMA untill you meet resistance
C) flexing the patients neck, depressing the tongue with a tongue blade, and blindly inserting the LMA
D) inserting the LMA along the roof or the mouth and using your finger to push the airway against the hard palate

Answer 9

D

Question 10

most of the complications caused by intubation-induced hypoxia:
A) are easily reversible
B) are subtle and occur gradually
C) can be predicted with pulse oximetry
D) are dramatic and occur immediatly

Answer 10

B

Question 11

you should be MOST suspicious of tube misplacement following an open cricothyrotomy if:
A) bleeding from the subcutaneous tissue is observed
B) there is minimal rise of the chest during ventilations
C) progressive redness is noted around the insetion site
D) a cracking sensation is noted when palpating the neck

Answer 11

D

Question 12

Which of the following statements regarding the tonsils is correct?
A) the tonsils are located on the posterior nasopharyngeal wall
B) the tonsils rarely become swollen enough to obstruct the airway
C) the tonsils are comprised of lymphatic tissue and help to trap bacteria
D) the tonsils are located in the anterior phatynx and filter bacteria.

Answer 12

C

Question 13

if the distance between the hyoid bone and the thyroid notch is at least \_\_\_ CM WIDE, THE DIFFICULTY OF INTUBATION SHOULD BE LOW
A) 1
B) 2
C) 3
D) 4

Answer 13

`B

Question 14

the LMA is:
A) a suitable airway device for use in morbidly obese patients
B) an alternative to bag-mask ventillation when intubation is not possible
C) associated with a higher risk of damage to the vocal cords than intubation
D) especially effective for CHF patients who require high pulmonary pressures

Answer 14

B

Question 15

the volume of air that is moved into or out of the the respiratory tract is one breath is called:
A) tidal volume
B) alveolar volume
C) minute volume
D) inspiratory reserve volume

Answer 15

A

Question 16

in contrast to negative pressure ventillation, positive pressure ventillation:
A) may impair blood return to the heart
B) moves air into the esophagus and trachea
C) causes decreased intrathoracic pressure
D) in the act of normal, unassisted breathing

Answer 16

A

Question 17

which of the following is NOT a contraindiction for nasaltracheal intubation?
A) apnea
B) spinal injury
C) frequent use of cocaine
D) patients taking an anticoaglant

Answer 17

B

Question 18

signs of clinical improvement during CPAP therapy include:
A) a decrease in systolic BP
B) an increase in the heart rate
C) increased ETCO2
D) increased ease of speaking

Answer 18

D

Question 19

the \_\_\_\_ are pyramid like structures that form the posterior attachment of the vocal cords.
A) palantine tonsils
B) pyriform fossae
C) arytenoid cartilages
D) hypoepiglottic liagements

Answer 19

C

Question 20

Murphy’s eye, an opening on the distal side of an ET tube, allows ventillation to occur:
A) whether the tube is in the trachea or in the esophagus
B) even if the tip of the tube is occluded by blood or mucus
C) if the tube is inserted into the right mainstem bronchus
D) even if the ET tube does not enter the patients trachea fully

Answer 20

B

Question 21

typically ETCO2 is approximately
A) 2-5 mm HG higher than the PaCO2
B) 2-5 mm Hg lower than the arterial PaCO2
C) 5-10 mm HG higher than the arterial PACO2
D) 5-10 mm HG lower than the arterial PaCO2

Answer 21

B

Question 22

wheather you are providing ventillations to a patient with a stoma using a resuscitation mask or device you must FIRST:
A) perform a head tilt-chin lift maneuvar
B) place the patient’s head in a neutral position
C) adequatly cleanse the stoma site with iodine
D) suction thwe stoma for no longer than 10 seconds

Answer 22

B

Question 23

you have been providing bag-mask ventillations to an unresponsive, apenic patient with facial trauma for approximitly 10 minutes. after intubating the patient , you should:
A) hyperventilate the patient with 100% oxygen
B) insert a nasogastric tube to decompress the stomach
C) insert an orogastric tube to releive gastric distension
D) ventillate the patient at a rate of 12-20 breaths/min

Answer 23

C

Question 24

Fentanyl(sublimaze) is a:
A) narcotic analgesic
B) benzodiazepine
C) sedative-hypnotic drug
D) butrophenone sedative

Answer 24

A

Question 25

when determing wheather transillumination guided intubation should be attempted, you should:
A) consider the amount of soft tissue that is overlying the trachea
B) avoid the procedure if the patient is thin or is greater then 6 foot tall
C) ensure the airway is clear of secreations by suctioning for 30 seconds
D) recall the patients with short necks are often easy to transilluminale.

Answer 25

A