CEN Review Questions with Complete

CEN Review Questions with Complete Solutions (Latest 2025) Pit vipers, such as water moccasin and cotton mouth, rattlesnake, and copperhead have elliptical eyes and triangular heads. Their venom is what type of toxin? - Correct Answers ✅Hemotoxin, causes coagulopathies, hypotension, DIC, and rhabdo Elapidae snakes such as coral snake have what type of toxin - Correct Answers ✅Neuro toxin that can c abuse respiratory failure and muscle weakness

• elements of medical negligence - Correct Answers ✅1.

Duty to act

• Breach of duty/contract, meaning care was sub-standard
• Proximate cause, meaning the breech was the actual cause

of injury

• Result in damage, meaning the injury was caused by the

negligence Which of the following drugs should be avoided with RSI with a septic patient

• lidocaine
• succinylcholine
• Etomidate
• Ketamine - Correct Answers ✅C. Etomidate due to

concern for adrenal suppression 1 / 3

CEN Review Questions with Complete Solutions (Latest 2025) A trauma patient with a massive hemothorax will exhibit

• Tracheal deviation
• Distended neck veins
• Hyper resonance on affected area
• Hypotension - Correct Answers ✅D. Hypotension

Remember to differentiate between massive hemothorax Vs tension pneumothorax assess neck veins and percussion For shock, what must be present for REBOA - Correct Answers ✅Patient must have a pulse Typical vital sign changes that occur with uncompensated, or progressive shock include

• Widening pulse pressure
• Bradycardia
• Decreased capillary refill
• Narrowed pulse pressure - Correct Answers ✅D.

Narrowed pulse pressure Skin changes with early vs late shock - Correct Answers ✅Early shock skin is flushed and warm, late shock skin is pale, cool, clammy, and mottled 2 / 3

CEN Review Questions with Complete Solutions (Latest 2025) Epinephrine dose for anaphylactic shock vs ACLS - Correct

Answers ✅For anaphylactic shock give epi 1:1000

With 1mg/1mL, inject 0.1-0.5mL IM or SQ

REMEMBER IN SEVERE CASES YOU CAN GIVE EPI 1:10,000

BUT THROUGH IV ONLY

Neurogenic shock is associate with spinal injury at what location - Correct Answers ✅At or above T6 Neurogenic vs spinal shock location if injury and symptoms - Correct Answers ✅Neurogenic shock is at or above T6.Symptoms include hypotension and bradycardia, warm, dry, flushed skin, and poikilothermia Spinal shock involves loss of all neurogenic function below the level of injury including no DTR's and paralysis How much crystalloid should be given per bolts for a pediatric patient in shock, versus how much should be given for blood products - Correct Answers ✅20mL/kg for IVF and 10mL/kg for blood products Lyme disease characteristics - Correct Answers ✅Bulls eye rash, fever, malaise, onset 3 days

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