2207 exam 2 Flashcards Preview

2207 Final > 2207 exam 2 > Flashcards

Flashcards in 2207 exam 2 Deck (50):
1

You are managing a 29-year-old male patient who was shot in the head. There is a gurgling noise in the airway.
The patient is breathing spontaneously at 42 breaths per minute and has a heart rate of 110 and a systolic and diastolic pressure of 102/82.
In which of the following situations would you expect end tidal carbon dioxide levels to be very low, despite a patient airway?
-Room air PPV

-Hyperthermia

-Hypoventilation

-Cardiac arrest



Cardiac arrest

2

When performing tracheobronchial suctioning, what should be the maximum amount of suction time?
15 seconds

20 seconds

10 seconds

5 seconds


20 seconds

3

A musical, squeaking, or whistling sound that may be heard on inspiration or expiration while auscultating lung fields is known as:
Crackles

Stridor

Rhonchi

Wheezing

Wheezing

4

Which of the following is a disadvantage of pulse oximetry?
Tissue hypoxia may be present even with a normal SaO2 reading.

Pulse oximetry cannot differentiate between hemoglobin bound to oxygen and hemoglobin bound to carbon monoxide.

Pulse oximetry gives no information about the amount of carbon dioxide in the blood.

All of the above are disadvantages.

All of the above are disadvantages

5

A portable suction device should generate a flow rate of ________ liters per minute when the tube is open.

20

30

40

5

30

6

The respiratory rate may be greater than normal because?
Alcoholic beverage ingestion

The use of medications such as diazepam or morphine

Being asleep or nearly asleep

Metabolic acidosis

l because of:

Metabolic acidosis

7

Physiologically, the term respiration refers to the:
Exchange of gases at the alveolar-capillary interface

Mechanical process that moves air into and out of the lungs

Exchange of all gases, nutrients, and wastes at the cellular level

Exchange of gases at the cellular level

unknown

8

An attempt at endotracheal intubation must not interrupt ventilations for more than ________ seconds.
10

15

20

30

unknown

9

The maximum flow rate to be used with a nasal cannula is ________ liters per minute.
10

6

8

4

6

10

Which of the following is an objective technique to verify proper endotracheal tube placement?
Direct visualization

Esophageal detector device

Tube misting

Auscultation


unknown

11


Insertion of an endotracheal tube too far is likely to result in ventilation of:

The right lung only

The left lung only

Only the lower lobes of both lungs

Neither lung

The right lung only

12

At the end of exhalation, the intrathoracic pressure is:

Significantly less than atmospheric pressure

Slightly less than atmospheric pressure

Greater than atmospheric pressure

Equal to atmospheric pressure

Equal to atmospheric pressure

13

The tip of a curved laryngoscope blade is placed correctly:
At the junction of the hard and soft palates

At the glottic opening

Under the epiglottis

In the vallecula

In the vallecula

14


Which of the following is the most common cause of airway obstruction?

Foreign bodies

Food

Upper airway edema

The tongue

The tongue

15

The MOST common indication for a surgical cricothyrotomy is:

Massive facial or neck trauma

Failed rapid sequence intubation

Status seizures with trismus

Foreign body airway obstruction


Massive facial or neck trauma

16

When you are suctioning an adult patient, the onset of bradycardia is most likely due to:

Hypercarbia

Hypoxia

Stimulation of the vagus nerve

Increased intracranial pressure


Stimulation of the vagus nerve

17

As the thoracic cavity begins to expand, the intrathoracic pressure:
Does not change

Is greater than atmospheric pressure

Is the same as atmospheric pressure

Is less than atmospheric pressure


Is the same as atmospheric pressure

18

What airway intervention should be performed first on this patient?

Head-tilt/chin-lift maneuver

Suctioning the airway

Insertion of an oropharyngeal airway

Endotracheal intubation

unknown

19

Which of the following is the correct order of events after an endotracheal tube has been properly inserted?
Inflate the cuff with 5 to 10 cc of air, secure the tube, listen for equal breath sounds bilaterally, and listen for breath sounds over the epigastrium.

Inflate the cuff with 5 to 10 cc of air, auscultate the epigastrium and then the lungs, and secure the tube.

Secure the tube, listen for breath sounds over the epigastrium, listen for equal breath sounds bilaterally, and inflate the cuff with 5 to 10 cc of air.

Inflate the cuff with 5 to 10 cc of air, listen for breath sounds over the epigastrium, listen for equal breath sounds bilaterally, and secure the tube.


unknown

20

Which of the following serves as an important visual landmark when performing endotracheal intubation under direct intubation?
Cricothyroid membrane

Cricoid cartilage

Thyroid cartilage

Posterior cartilages

unknown

21


In which of the following conditions is insertion of a nasogastric tube contraindicated?

Patient having a gag reflex

Patient with facial fractures

Patient awake and alert

All of the above

unknown

22


The correct rate of assisted ventilation for this patient is ________ breaths per minute.

6

12

14

18

12

23

When a bag-valve ventilation device is used with supplemental oxygen, it delivers an oxygen concentration of ________ percent.

40

90

60

21

unknown

24

Which of the following mechanisms is responsible for hypoxemia in the patient with a pulmonary embolism?
Pulmonary shunting

Pulsus paradoxus

Lower airway obstruction

Atelectasis

Pulmonary shunting

25

When a portion of the lung is unavailable for gas exchange, yet pulmonary circulation continues in that area of the lung, a condition known as ________ results.

Pulsus paradoxus

Ventilation-perfusion mismatch

Atelectasis

Eupnea

Ventilation-perfusion mismatch

26


Which of the following increases the risk of foreign body airway obstruction
Age

Alcohol consumption

Dentures

All of the above


All of the above

27


During a respiratory assessment, the absence of breath sounds may indicate:

A pneumothorax

A pulmonary embolism

Flail chest

Bronchitis

A pneumothorax

28


When correctly placed, the tip of a straight laryngoscope blade should be:

Under the epiglottis

At the uvula

At the soft palate

In the vallecula

Under the epiglottis

29

A high-pitched inspiratory noise caused by a partial upper airway obstruction is called:
Stridor

Dysphonia

Rhonchi

Wheezing

Stridor

30

When you are intubating a stoma site, how far beyond the distal cuff (in cm) should you insert the endotracheal tube?

1 to 2

3 to 4

2 to 3

4 to 5

1 to 2

31

The reading obtained by the use of a pulse oximeter reflects the:
Amount of saturated hemoglobin per deciliter of blood

Amount of oxygen dissolved in the blood

Ratio of unsaturated hemoglobin to saturated hemoglobin

Partial pressure of oxygen in capillary blood


Ratio of unsaturated hemoglobin to saturated hemoglobin

32

Which of the following best suggests an esophageal intubation?

Color change from purple to yellow with a colorimetric ETCO2 detector

Free return of air when aspirating with an esophageal detector device

Gurgling sounds over the epigastrum with each ventilation delivered

Maintaining a pulse oximetry reading of 80 to 85 percent

Color change from purple to yellow with a colorimetric ETCO2 detector

33

Which of the following interferes with ventilation in the presence of a flail segment?

The ability to generate positive intrathoracic pressure is impaired.

Intrathoracic pressure increases on the affected side.

Intrathoracic pressure decreases on the affected side.

The ability to generate negative intrathoracic pressure is impaired.




The ability to generate negative intrathoracic pressure is impaired.

34

What is the normal partial pressure of oxygen in the arterial blood?

35 to 45

50 to 75

80 to 100

100 to 150

80 to 100

35

Which of the following basic airway adjuncts prevents the tongue from falling back to occlude the airway?

Yankauer catheter

Laryngeal mask airway

Nasal cannula

Oropharyngeal airway


Oropharyngeal airway

36

All of the following are indications for endotracheal intubation, EXCEPT:
A heart rate over 100

Respiratory arrest

Cardiac arrest

Airway swelling.


Airway swelling.

37

The tip of the endotracheal tube for the pediatric patient should be inserted no more than ________ cm below the vocal cords.

1 to 2

3 to 4

2 to 3

4 to 5


2 to 3

38


Which of the following may complicate airway management procedures in the pediatric patient?

The trachea narrows at the cricoid cartilage.

The tongue occupies a greater proportion of space.

The epiglottis is larger and floppier than in an adult.

All of the above are possible complications.

All of the above are possible complications.

39


Of the normal tidal volume for the average 70-kg adult, what amount of air (in ml) is NOT available for gas exchange?

50

100

150

250

150

40

Without adequate airway maintenance and ventilation, the patient can succumb to brain injury or death in how many minutes?

4

10

6

12

unknown

41


Which of the following manual airway maneuvers should be used when you are caring for a patient with a suspected cervical spine injury?

Sellick's

Modified jaw-thrust

Jaw/tongue lift

Head-tilt/chin-lift

Modified jaw-thrust

42

Progressively deeper, faster breathing alternating gradually with shallow, slower breathing is called:
Cheyne-Stokes respirations

Kussmaul's respirations

Biot's respirations

Agonal respirations

Cheyne-Stokes respirations

43

The hypoxic drive is stimulated by:

High PaCO2

Low PaO2

High PaO2

Low PaCO2

Low PaO2

44

A(n) ________ may be used to facilitate nasotracheal intubation.

Uncuffed endotracheal tube

Malleable stylette

Lighted stylette

Endotrol tube

unknown

45

A fine, bubbling sound heard on inspiration and associated with fluid in the alveoli and terminal bronchioles is called?

Bronchovesicular sounds

Rales (crackles)

Rhonchi

Pleural frictionhioles is called:


Rales

46

During spontaneous breathing, which of the following reflexes prevents overinflation of the lungs?
Cheyne-Stokes

Hering-Breuer

Apneustic

Cushing's

Hering-Breuer

47


A drop in blood pressure of greater than 10 torr during inspiration is called:

Pulsus paradoxus

Pulsus obliterans

Pulsus tardus

Pulsus alternans

Pulsus paradoxus

48


The automatic transport ventilator is contraindicated for all of the following intubated patients, EXCEPT:

A 17-year-old gunshot victim

A 4-year-old near-drowning victim

A 56-year-old in pulmonary edema

A 34-year-old with adult respiratory distress syndrome


A 17-year-old gunshot victim

49

The movement of oxygen from the alveoli to the blood in the pulmonary capillaries depends on:

Facilitated transport by way of the hemoglobin molecule

Active transport of oxygen from an area of lower concentration to an area of higher concentration

Diffusion of oxygen from an area of higher concentration to an area of lower concentration

Osmosis of the H2O molecule across the respiratory membrane, where oxygen dissociates from hydrogen

Diffusion of oxygen from an area of higher concentration to an area of lower concentration

50

Which of the following statements about manual airway maneuvers is TRUE?

They require specialized equipment.

They are often neglected by EMTs and paramedics.

They are contraindicated in trauma patients.

They are difficult to learn.

They are often neglected by EMTs and paramedics.