CCRN EXAM zm
Exam Solution zm
CCRN: Complete Barron's Review 2026 A+ GRADE ASS
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URED COMPLETE SOLUTIONS AND VERIFIED ANSWERS
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(50D36)
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QUESTION 1 zm
Term
ANSWER
Definition
QUESTION 2 zm
Which of the following are s/s of hypoglycemia?
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A) Bradycardia + diaphoresis
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B) Tachycardia + trembling
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C) Flushed, dry skin + tachycardia
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D) Anxiety + flushed, dry skin
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ANSWER
B) Tachycardia + trembling When BG drops, SNS stimulation occurs. (S/s of hypoglycemia are maske
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d by beta-blockers)
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QUESTION 3 zm
Patient post head trauma has ICP of 32. Which is contraindicated?
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A) Enteral feedings via NGT
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B) HOB 30-45
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C) Maintain a MAP 50-60
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D) Avoid hypotonic IV solutions
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ANSWER
C) Maintain a MAP 50-
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60 Pt has elevated ICP + requires a MAP >60 in order to maintain CPP and prevent brain ischemia.
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All other interventions are indicated for elevated ICP
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,QUESTION 4 zm
Which is associated w Mitral Regurgitation
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A) Systolic murmur, sinus brady
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B) Diastolic murmur, HF
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C) Systolic murmur, inferior wall MI
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D) Diastolic murmur, CHB
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ANSWER
C) Systolic murmur, inferior wall MI Inferior MI may result in ischemia and dysfn (regurg) of the Mi
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tral Valve. MV= closed during systole (LV ejection), murmur is heard when MV is not fully closed du
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ring systolezm
QUESTION 5 zm
A nurse knows that research supports a pt having unrestricted access to his support s
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ystem (Fam). However, the unit restricts all visitors to set times. Nurse best response
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is to:
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A) Gather the facts + propose a policy change to the unit manager
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B) Tell pt that policy is outdated but there is nothing we can do bout it
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C) continue to follow unit policy
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D) complain to colleagues about the policy
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ANSWER
A) Gather the facts + propose a policy change to the unit manager This is an effective strategy for c
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hange. AACN synergy model supports pt advocacy and has EBP to support fam presence: visitation i
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
n adult ICU
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QUESTION 6 zm
Nitrate therapy is indicated for tx of unstable angina + acute HF because it:
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A) Decreases preload + increases myocardial O2 demand
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B) Increases preload + decreases myocardial O2 demand
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C) increases preload + increases myocardial O2 demand
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D) Decreases preload + decreases myocardial O2 demand
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ANSWER
D) Decreases preload + decreases myocardial O2 demand Nitrates cause vasodilation, which results i
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n decrease venous return to heart (LV preload reduction). This decrease in preload decreases the w
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orkload of the LV + myocardial O2 demand
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QUESTION 7 zm
,A pt post-
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op CABG had a sudden decrease in mediastinal chest tube drainage w HYPOTN, narro
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wing PP, + resp variation on Art. Line waveform (Pulsus paradoxus). What other s/s c
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an you expect?
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A) Muffled Heart Sounds
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B) Decreased CVP + increased PAOP
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C) Flat neck veins
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D) Back pain
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ANSWER
A) Muffled Heart Sounds Pt s/s are indicative of cardiac tamponade, which muffled HS are another s
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ign, the pt will likely have an increased CVP and increased peak pressures
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QUESTION 8 zm
Pt requests his wife to be present for chest tube insertion procedure. The nurse shoul
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d:
A) Explain to pt that this is against infection control policies
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B) Tell the pt that he will be able to see his wife ASAP after procedure
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C) Tell pt it will be too much for the wife to handle
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D) Prepare wife for what to expect + allow her to be present
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ANSWER
D) Prepare wife for what to expect + allow her to be present AACN supports family presence as it
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may improve pt outcomes
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QUESTION 9 zm
ST-elevation on EKG leads that would be indicative of a Lateral Wall STEMI include:
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A) II,III,aVF
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B) V1,V2,V3
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C) V2,V3,V4
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D) V5,V6,I,aVL
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ANSWER
D) V5,V6,I,aVL V5 + V6 represent the lower wall of the LV, and I and aVL represent the high lateral
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wall of the LV, supplied by the Left Circumflex Artery (LCA)
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QUESTION 10 zm
Which lab finding is most specifically indicative of DIC as the cause of bleeding:
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A) Elevated fibrin split products and D-dimer
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B) Prolonged PT,PTT, + bleeding time
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C) Decreased Plts
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D) Decreases Hgb
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, ANSWER
A) Elevated fibrin split products and D-
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dimer DIC is a clotting problem w massive coagulation. As clots breakdown, fibrin split products are
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produced. Therefore, w DIC, FSPs will be high= MOST SPECIFIC. D-
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dimer is present d/t presence of clots, not specific but good rule out test
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QUESTION 11 zm
29 yr old in for MVC has been in ICU for 2 days and has developed acute tubular necr
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osis. She was normotensive, what is the most likely cause?
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A) Hemorrhage
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B) Rhabdomyolysis
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C) CK release
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D) Dysrhythmias
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ANSWER
B) Rhabdomyolysis MVC most likely resulted in a crush injury w destruction of skeletal muscle tissu
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e (Rhabdomyolysis). This results in a release of massive amounts of CK that in turn may clog renal
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tubules and lead to ATN zm zm zm zm
QUESTION 12 zm
Pt w CKD presents to ED w SOB, mouth twitching after missing 2 dialysis sessions. Nu
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rse notes carpopedal spams when inflating the BP cuff. Which may need to be adminis
zm zm zm zm zm zm zm zm zm zm zm zm zm zm
tered
A) Calcium gluconate for hypocalcemia
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B) Potassium for Hypokalemia
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C) Aluminum hydroxide for hyperphosphatemia
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D) Magnesium hydroxide for hypermagnesemia
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ANSWER
C) Aluminum hydroxide for hyperphosphatemia CKD pts w/o dialysis are susceptible to electrolyte i
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mbalances like hyperphosphatemia; therefore phosphate binding drug like Aluminum hydroxide is in
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dicated. Hypocalcemia is not caused by CKD and Hypermagnesemia does not cause hyperreflexia
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QUESTION 13 zm
Pt w cellulitis has flushed, moist skin and is slow to respond to stimuli. Pt VS are T=1
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02F, BP: 88/50, HR=120, RR=26. The nurse should expect:
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A) ABX + IV crystalloids
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B) Antipyretics + Dopamine
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C) CT scan of head + drug screen
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D) Colloids + Levo
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ANSWER
Exam Solution zm
CCRN: Complete Barron's Review 2026 A+ GRADE ASS
zm zm zm zm zm zm zm
URED COMPLETE SOLUTIONS AND VERIFIED ANSWERS
zm zm zm zm zm z
(50D36)
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QUESTION 1 zm
Term
ANSWER
Definition
QUESTION 2 zm
Which of the following are s/s of hypoglycemia?
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A) Bradycardia + diaphoresis
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B) Tachycardia + trembling
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C) Flushed, dry skin + tachycardia
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D) Anxiety + flushed, dry skin
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ANSWER
B) Tachycardia + trembling When BG drops, SNS stimulation occurs. (S/s of hypoglycemia are maske
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d by beta-blockers)
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QUESTION 3 zm
Patient post head trauma has ICP of 32. Which is contraindicated?
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A) Enteral feedings via NGT
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B) HOB 30-45
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C) Maintain a MAP 50-60
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D) Avoid hypotonic IV solutions
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ANSWER
C) Maintain a MAP 50-
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60 Pt has elevated ICP + requires a MAP >60 in order to maintain CPP and prevent brain ischemia.
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All other interventions are indicated for elevated ICP
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,QUESTION 4 zm
Which is associated w Mitral Regurgitation
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A) Systolic murmur, sinus brady
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B) Diastolic murmur, HF
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C) Systolic murmur, inferior wall MI
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D) Diastolic murmur, CHB
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ANSWER
C) Systolic murmur, inferior wall MI Inferior MI may result in ischemia and dysfn (regurg) of the Mi
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tral Valve. MV= closed during systole (LV ejection), murmur is heard when MV is not fully closed du
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ring systolezm
QUESTION 5 zm
A nurse knows that research supports a pt having unrestricted access to his support s
zm zm zm zm zm zm zm zm zm zm zm zm zm zm
ystem (Fam). However, the unit restricts all visitors to set times. Nurse best response
zm zm zm zm zm zm zm zm zm zm zm zm zm zm
is to:
zm
A) Gather the facts + propose a policy change to the unit manager
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B) Tell pt that policy is outdated but there is nothing we can do bout it
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
C) continue to follow unit policy
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D) complain to colleagues about the policy
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ANSWER
A) Gather the facts + propose a policy change to the unit manager This is an effective strategy for c
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
hange. AACN synergy model supports pt advocacy and has EBP to support fam presence: visitation i
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
n adult ICU
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QUESTION 6 zm
Nitrate therapy is indicated for tx of unstable angina + acute HF because it:
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A) Decreases preload + increases myocardial O2 demand
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B) Increases preload + decreases myocardial O2 demand
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C) increases preload + increases myocardial O2 demand
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D) Decreases preload + decreases myocardial O2 demand
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ANSWER
D) Decreases preload + decreases myocardial O2 demand Nitrates cause vasodilation, which results i
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n decrease venous return to heart (LV preload reduction). This decrease in preload decreases the w
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orkload of the LV + myocardial O2 demand
zm zm zm zm zm zm zm
QUESTION 7 zm
,A pt post-
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op CABG had a sudden decrease in mediastinal chest tube drainage w HYPOTN, narro
zm zm zm zm zm zm zm zm zm zm zm zm zm
wing PP, + resp variation on Art. Line waveform (Pulsus paradoxus). What other s/s c
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an you expect?
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A) Muffled Heart Sounds
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B) Decreased CVP + increased PAOP
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C) Flat neck veins
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D) Back pain
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ANSWER
A) Muffled Heart Sounds Pt s/s are indicative of cardiac tamponade, which muffled HS are another s
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
ign, the pt will likely have an increased CVP and increased peak pressures
zm zm zm zm zm zm zm zm zm zm zm zm
QUESTION 8 zm
Pt requests his wife to be present for chest tube insertion procedure. The nurse shoul
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d:
A) Explain to pt that this is against infection control policies
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B) Tell the pt that he will be able to see his wife ASAP after procedure
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C) Tell pt it will be too much for the wife to handle
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D) Prepare wife for what to expect + allow her to be present
zm zm zm zm zm zm zm zm zm zm zm zm
ANSWER
D) Prepare wife for what to expect + allow her to be present AACN supports family presence as it
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may improve pt outcomes
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QUESTION 9 zm
ST-elevation on EKG leads that would be indicative of a Lateral Wall STEMI include:
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A) II,III,aVF
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B) V1,V2,V3
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C) V2,V3,V4
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D) V5,V6,I,aVL
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ANSWER
D) V5,V6,I,aVL V5 + V6 represent the lower wall of the LV, and I and aVL represent the high lateral
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wall of the LV, supplied by the Left Circumflex Artery (LCA)
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QUESTION 10 zm
Which lab finding is most specifically indicative of DIC as the cause of bleeding:
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A) Elevated fibrin split products and D-dimer
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B) Prolonged PT,PTT, + bleeding time
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C) Decreased Plts
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D) Decreases Hgb
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, ANSWER
A) Elevated fibrin split products and D-
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dimer DIC is a clotting problem w massive coagulation. As clots breakdown, fibrin split products are
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produced. Therefore, w DIC, FSPs will be high= MOST SPECIFIC. D-
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dimer is present d/t presence of clots, not specific but good rule out test
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QUESTION 11 zm
29 yr old in for MVC has been in ICU for 2 days and has developed acute tubular necr
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
osis. She was normotensive, what is the most likely cause?
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A) Hemorrhage
zm
B) Rhabdomyolysis
zm
C) CK release
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D) Dysrhythmias
zm
ANSWER
B) Rhabdomyolysis MVC most likely resulted in a crush injury w destruction of skeletal muscle tissu
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
e (Rhabdomyolysis). This results in a release of massive amounts of CK that in turn may clog renal
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
tubules and lead to ATN zm zm zm zm
QUESTION 12 zm
Pt w CKD presents to ED w SOB, mouth twitching after missing 2 dialysis sessions. Nu
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
rse notes carpopedal spams when inflating the BP cuff. Which may need to be adminis
zm zm zm zm zm zm zm zm zm zm zm zm zm zm
tered
A) Calcium gluconate for hypocalcemia
zm zm zm zm
B) Potassium for Hypokalemia
zm zm zm
C) Aluminum hydroxide for hyperphosphatemia
zm zm zm zm
D) Magnesium hydroxide for hypermagnesemia
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ANSWER
C) Aluminum hydroxide for hyperphosphatemia CKD pts w/o dialysis are susceptible to electrolyte i
zm zm zm zm zm zm zm zm zm zm zm zm zm
mbalances like hyperphosphatemia; therefore phosphate binding drug like Aluminum hydroxide is in
zm zm zm zm zm zm zm zm zm zm zm
dicated. Hypocalcemia is not caused by CKD and Hypermagnesemia does not cause hyperreflexia
zm zm zm zm zm zm zm zm zm zm zm zm
QUESTION 13 zm
Pt w cellulitis has flushed, moist skin and is slow to respond to stimuli. Pt VS are T=1
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
02F, BP: 88/50, HR=120, RR=26. The nurse should expect:
zm zm zm zm zm zm zm zm
A) ABX + IV crystalloids
zm zm zm zm
B) Antipyretics + Dopamine
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C) CT scan of head + drug screen
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D) Colloids + Levo
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ANSWER