Evidence-Based Clinical Review: Updated and
Verified Questions with Accurate Answers
What is the thyromental distance? - ✔✔Measurement of the distance between the upper edge of the
thyroid cartilage to the chin, while the neck is completely extended.
Thyromental distance: what indicates a suspected difficult intubation? - ✔✔Less than 6 cm
Thyromental distance: what suggests a non-problematic intubation? - ✔✔7 cm or greater
What type of x-ray should you use to determine proper position of an endotracheal tube? - ✔✔AP x-ray
What type of x-ray is helpful in detecting pleural effusions? - ✔✔Lateral decubitus
The description "concave superior border or interface" describes what? - ✔✔A pleural effusion
What type of x-ray is helpful and spotting internal issues such as masses, blebs, or lesions? - ✔✔Oblique
x-ray
On x-ray, where should the end of the endotracheal tube be positioned? - ✔✔2-5 cm above the carina
On x-ray, where should the central venous catheter be positioned? - ✔✔The tip should rest in the right
atrium or vena cava
On x-ray, where should the pulmonary artery catheter be positioned? - ✔✔The tip should be over the
right lower lung field
What type of diagnostic imaging is used to detect the functionality of organs? - ✔✔PET scan
, What is the gas the patient breathes during a V/Q scan? - ✔✔Xenon
On V/Q scan, what do dark areas of the lungs indicate? - ✔✔Absence of ventilation in that area
On V/Q scan, the description "wedge shaped" indicates what? - ✔✔A clot
What is considered normal work of breathing? - ✔✔0.5-0.7 J/L
Three key criteria for brain death - ✔✔1. Unresponsiveness
2. Absence of reflexes
3. Presence of apnea
Normal stroke volume - ✔✔50-100 mL
Normal ejection fraction - ✔✔50-70%
The best lead to determine the left ventricle status - ✔✔V5
The best lead to determine overall electrical condition of the heart - ✔✔Lead II
Hypertrophy will cause an axis deviation in what direction? - ✔✔In the direction of the hypertrophy,
usually to the left, as in CHF
If tissues are infarcted or dead, the axis will deviate where? - ✔✔Away from the infarcted tissue
Myocardial ischemia is what? - ✔✔A current lack of oxygen to the cardiac muscle.
Verified Questions with Accurate Answers
What is the thyromental distance? - ✔✔Measurement of the distance between the upper edge of the
thyroid cartilage to the chin, while the neck is completely extended.
Thyromental distance: what indicates a suspected difficult intubation? - ✔✔Less than 6 cm
Thyromental distance: what suggests a non-problematic intubation? - ✔✔7 cm or greater
What type of x-ray should you use to determine proper position of an endotracheal tube? - ✔✔AP x-ray
What type of x-ray is helpful in detecting pleural effusions? - ✔✔Lateral decubitus
The description "concave superior border or interface" describes what? - ✔✔A pleural effusion
What type of x-ray is helpful and spotting internal issues such as masses, blebs, or lesions? - ✔✔Oblique
x-ray
On x-ray, where should the end of the endotracheal tube be positioned? - ✔✔2-5 cm above the carina
On x-ray, where should the central venous catheter be positioned? - ✔✔The tip should rest in the right
atrium or vena cava
On x-ray, where should the pulmonary artery catheter be positioned? - ✔✔The tip should be over the
right lower lung field
What type of diagnostic imaging is used to detect the functionality of organs? - ✔✔PET scan
, What is the gas the patient breathes during a V/Q scan? - ✔✔Xenon
On V/Q scan, what do dark areas of the lungs indicate? - ✔✔Absence of ventilation in that area
On V/Q scan, the description "wedge shaped" indicates what? - ✔✔A clot
What is considered normal work of breathing? - ✔✔0.5-0.7 J/L
Three key criteria for brain death - ✔✔1. Unresponsiveness
2. Absence of reflexes
3. Presence of apnea
Normal stroke volume - ✔✔50-100 mL
Normal ejection fraction - ✔✔50-70%
The best lead to determine the left ventricle status - ✔✔V5
The best lead to determine overall electrical condition of the heart - ✔✔Lead II
Hypertrophy will cause an axis deviation in what direction? - ✔✔In the direction of the hypertrophy,
usually to the left, as in CHF
If tissues are infarcted or dead, the axis will deviate where? - ✔✔Away from the infarcted tissue
Myocardial ischemia is what? - ✔✔A current lack of oxygen to the cardiac muscle.
