RAD1125 Exam 2 Questions And Answers
2025 Update.
Rectal thermometry is believed to most accurately reflect core body temperature measures.
Use of which alternative thermometer provides measures that closely correlate to the rectal
method? - Answer✔temporal artery
A patient is thought to have suffered cardiac arrest. The ____________ peripheral artery may
be assessed to verify the effectiveness of chest compressions during cardiopulmonary
resuscitation.
1. Apical
2. Femoral
3. Radial - Answer✔2. Femoral
3. Radial
In a healthy adult the normal range for blood pressure is: - Answer✔systolic less than 120 mm
Hg, diastolic less than 80 mm Hg
Hypoxia is: - Answer✔a state describing oxygen-deficient tissue
Which of the following devices can be classified as a high-flow oxygen delivery device? -
Answer✔air-entrainment mask
Regarding oxygen delivery, all of the following are true EXCEPT - Answer✔the maximum dose
should always be given to obtain the desired results
An artificial airway is inserted into a patient's trachea and connected to a mechanical ventilator.
In this circumstance, all of the following are true statements EXCEPT: - Answer✔during chest
imaging, the radiographer must fully extend the patient's neck for proper head position.
A properly placed endotracheal tube will be radiographically confirmed when the: -
Answer✔distal tip is positioned 1 inch superior to the tracheal bifurcation
Thoracostomy tubes are: - Answer✔chest tubes used to drain the intrapleural space
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A patient is admitted to the emergency room and chest images are ordered. The order states
the following: Unless sitting up or standing erect, the patient has dyspnea. In this case, the
patient has which of the following? - Answer✔orthopnea
Regarding the electrocardiograph tracing, all of the following are true EXCEPT: - Answer✔the U
wave is theorized to represent depolarization of the papillary muscles and Purkinje fibers
When multiplying heart rate times stroke volume the product is: - Answer✔cardiac output (CO)
Depending on the cause and severity of the arrhythmia, treatment may include which of the
following? - Answer✔all procedures listed might be useful in treating arrhythmia:
cardiac pacemakers or ICD devices
ablation therapy
cardio version external shock therapy
Systolic pressures greater than _______ mm Hg generally ensure adequate perfusion (blood
flow) of tissues. - Answer✔90
Rhythmic contraction and relaxation of the chambers of the heart are controlled by principal
cell types to include which of the following?
1. working cardiac cells
2. specialized neural conductive cells
3. striated muscle cells - Answer✔1. working cardiac cells
2. specialized neural conductive cells
All of the following are true of atrial fibrillation EXCEPT: - Answer✔it is always fatal
To ensure a normal sequence for each cardiac cycle, each P wave should be followed by a: -
Answer✔QRS complex
When the resting membrane potential is reversed, ____________ occurs and myocardial cells
are stimulated to contract. - Answer✔depolarization
All of the following are visible on an ECG tracing EXCEPT: - Answer✔atrial contraction
For analysis of an ECG tracing, which of the below indicates regular rhythm?
1. QRS complexes (R to R intervals) are consistent for evaluating ventricular rhythm.
2. The duration of the QRS complex exceeds 0.20 seconds (5 small squares).
3. Intervals between P waves (P to P intervals) are consistent for atrial rhythm. - Answer✔1.
QRS complexes (R to R intervals) are consistent for evaluating ventricular rhythm.
3. Intervals between P waves (P to P intervals) are consistent for atrial rhythm.
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