TNCC Written Exam 2023 Questions and Answers

TNCC Written Exam 2023

What is the best measure of the adequacy of cellular perfusion and helps predict the

outcome of resuscitation? Correct answer- Base deficit used in conjunction with serum

lactate

Will hypocapnia cause vasoconstriction or vasodilation, especially in the cerebral

vasculature? Correct answer- Vasoconstriction

What results from tissue hypo perfusion and oxygen deficit? Correct answer- Metabolic

acidosis

What type of shock results in generalized vasodilation? Correct answer- Neurogenic

shock

Spinal cord injuries at C3-C5 causes loss of what nerves function, resulting in what?

Correct answer- Phrenic nerve; paralyzed diaphragm and inability to breath

Extremity elevation AT the level of the heart is beneficial for what type of injury? Correct

answer- Compartment Syndrome

What is a high risk of frostbite? Correct answer- Thrombus formation

What two medications can be administered to maintain perfusion after a frostbite injury

along with rewarming? Correct answer- Tissue plasminogen activator or non steroidal

anti-inflammatory medication (NSAIDS)

An rise in diastolic blood pressures is a sign of increasing what? Correct answerPeripheral resistance

What position will benefit the airway and work of breathing for the bariatric patient?

Correct answer- Reverse Trendelenburg

Which phase of a blast results from flying debris, projectiles, and bomb fragments

causing lacerations or penetrating injuries? Correct answer- Secondary Phase

What phase of a blast results from any explosion-related illness or injury including

hyperglycemia, hypertension, angina, asthma, COPD, or sepsis? Correct answerQuaternary Phase

What phase of a blast results from individuals being thrown by the blast and impacting

walls, ground, or any hard object? Correct answer- Tertiary Phase

What phase of a blast results from impact of the over and under pressurization wave

with body surfaces. Injuries include blast lung, tympanic membrane rupture, abdominal

hemorrhage, globe rupture, and mild traumatic brain injury? Correct answer- Primary

Phase

Signs of what include muscle pain or weakness, dark red or brown urine, general

weakness or malaise, and elevated creatinine kinase levels? Correct answerRhabdomyolosis

Signs of what include anxiety, pleuritic chest pain, dyspnea, hypoxemia, hemoptysis,

cough, orthopnea, adventitious lung sounds, decreased lung sounds, jugular vein

distention, or hypotension? Correct answer- Pulmonary Embolus

Signs of what include headache, nausea and vomiting, amnesia, behavioral changes,

altered level of consciousness? Correct answer- Increased intracranial pressure

Signs of what include asymmetric pupillary reactivity, unilateral dilation, widening pulse

pressure, abnormal motor posturing, bradycardia, and decreased respiratory effort?

Correct answer- Late signs of increased ICP with Herniation Syndrome

What is caused by the tear of the bridging veins or middle meningeal artery? Correct

answer- Subdural and Epidural Hematoma

Affect concentration, memory, sleep, mode, and libido. Causes headaches, dizziness

and nausea. Correct answer- Postconcussive Syndrome/ Mild Traumatic Brain Injury

Signs and symptoms similar to early signs of increased ICP but do not worsen. Correct

answer- Postconcussive Syndrome/ Mild Traumatic Brain Injury

Cerebral Perfusion Pressure = ______-______ Correct answer- MAP - ICP

What is the range for CO2 to maximize perfusion? Correct answer- 35-45

Does hypoventilation cause dilation or constriction? Increase or decrease ICP? Correct

answer- Dilation and increase in ICP due to high CO2

Hyperventilation cause dilation or constriction? Correct answer- Constriction d/t low

CO2

Pupils with pressure on cranial nerve Correct answer- Fixed and dilated

Pupils with opiates vs stimulants Correct answer- small; large

Pupils with anticholinergics such as atropine, ipratropium, and scopolamine Correct

answer- large