Critical Care exam 3 UARK Final Test Questions All Answered Correct Edition.

Critical Care exam 3 UARK Final Test
Questions All Answered Correct 2025-
2026 Edition.
Naloxone - Answer Reversal of opioid-induced respiratory depression



N-Acetylcysteine - Answer acetaminophen antidote



Vitamin K - Answer Warfarin overdose (anticoagulant overdose)



Activated Charcoal is used for - Answer poisoning,

Adsorbs toxins in GI tract, reducing systemic absorption



Flumazenil is for what medications - Answer Benzodiazepine Antagonist

Ativan, Xanax, (Pams)



Glucagon is used for what medication oveerdoses? - Answer Beta blockers



Sodium Bicarb is used for what medication overdoses - Answer Amitriptyline, reverses TCAs
because it affects their pH



Syrup of Ipecac - Answer induces vomiting Not often used d/t risks associated w/ vomiting



3% Normal Saline is used for what conditions - Answer Hyponatremia, cerebral edema,
increased ICP



Lasix (Furosemide) is used for what conditions? - Answer increased ICP



Mannitol - Answer Used often in increased ICP patients, needs to stay warm



Salicylates overdose dx - Answer Serum salicylate level, urine ph, ABGs (more toxic if acidotic)
arterial lactate, electrolytes, glucose, PT/aPTT and CBC

,Hemodialysis

Indications: coma, renal, hepatic, pulmonary failure, pulmonary edema, severe acid-base
disturbances



Acetaminophen overdose Dx - Answer Serum acetaminophen levels, AST, ALT, PT, aPTT



Acetaminophen overdose management - Answer Activated charcoal, N-acetylcysteine,
monitor liver function, and acetaminophen



Sedatives/ hypnotics

Benzodiazepines

Barbiturates overdose Dx - Answer Medication levels

• Serum glucose to rule out hypoglycemia

• Serum and urine drug screen

• ABGs—to assess level of respiratory depression



Sedatives/ hypnotics

Benzodiazepines

Barbiturates overdose management - Answer Flumazenil, activated charcoal. Rapid ABCs, ET
tube intubation if respiratory depression severe

• Oxygen

• IV access

• Cardiac monitoring

• End tidal CO2 (i.e., capnography)



Tricyclic antidepressant amitriptyline (TCA) Dx - Answer ECG, Serum glucose level
Acetaminophen and salicylate levels to rule out co-ingestions



Tricyclic antidepressant amitriptyline (TCA) management - Answer Administer IV normal saline
fluids for hypotension

Medications

• continuous Activated charcoal

• sodium bicarbonate IV for QRS elongation

, • ABCs

• Continuous cardiac monitoring

• IV access



Beta blockers overdose Dx - Answer Serum glucose test

• Serum electrolytes—hypokalemia

• Cardiac enzymes to rule out myocardial infarction in any hemodynamically unstable patient

• ABGs

• CXR to rule out pulmonary edema

• ECG



Beta blockers overdose management - Answer Activated charcoal (see Table 70.6) to decrease
absorption

• Glucagon—antidote

• D50 if hypoglycemic

• Benzodiazepines for seizures if present

• Hemodialysis for extremely high levels



Alcohol overdose Dx - Answer Alcohol level

• Glucose to test for hypoglycemia



Alcohol overdose management - Answer IV fluids with thiamine to prevent Wernicke-
Korsakoff's syndrome—syndrome may cause seizures

• Benzodiazepines for seizures that may occur related to alcohol withdrawal



Stimulants - Answer Increase the amount of dopamine in the brain, produces euphoria,
increasing energy and alertness. Dilated pupils, everything is elevated



Stimulants examples - Answer Caffeine

Nicotine

Cocaine

Amphetamines