(2026) EXAM QUESTIONS AND ALL CORRECT
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1. What is a common cause of a diesel engine running rough and stalling?
A. Air in the fuel system.
B. Excessive engine oil pressure.
C. Faulty glow plugs.
D. Clogged air filter.
Answer: A
Rationale: Air in the fuel system disrupts the proper injection and combustion of diesel fuel, leading to
rough running and stalling. Unlike gasoline engines, diesel engines rely on precise fuel delivery, and air
bubbles can cause misfiring or loss of power.
2. A client is admitted to the surgical floor with chest pain, shortness of breath, and hypoxemia
after undergoing a knee replacement. Which diagnostic test should the nurse educate the client
about to help confirm the diagnosis?
A. Electrocardiogram (ECG)
B. Computed tomography (CT) scan
C. Ventilation-perfusion (V/Q) scan
D. Pulmonary angiography
Answer: B
Rationale: CT scans, especially spiral or helical CT scans, with injected contrast can detect pulmonary
emboli.
3. A nurse is caring for a client who has a new prescription for dobutamine. The nurse should
clarify the prescription with the provider if the client is currently taking which of the following
types of medications? (Select all that apply.)
A. Diuretic
B. ACE inhibitor
C. Beta blocker
D. Calcium channel blocker
Answer: B
Rationale: Dobutamine is a beta-1 adrenergic agonist that increases cardiac contractility and heart rate.
ACE inhibitors can cause hypotension and may reduce the effectiveness of dobutamine, so concurrent
use requires caution. Beta blockers, calcium channel blockers, and diuretics are commonly used with
dobutamine but do not typically necessitate clarification.
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,4. A client with asthma reports shortness of breath. What is the nurse assessing when auscultating
this client's chest?
A. Bronchovesicular breath sounds
B. Bronchial breath sounds
C. Adventitious breath sounds
D. Vesicular breath sounds
Answer: C
Rationale: Adventitious sounds are additional breath sounds superimposed on normal sounds. They
indicate pathologic changes in the lung.
5. A patient with a history of type 2 diabetes is admitted with a blood glucose level of 48 mg/dL.
The patient is confused and unable to swallow. Which action should the nurse take?
A. Start an IV of D50W and administer 25 mL IV push.
B. Administer 25 grams of intravenous dextrose 50% over 10 minutes.
C. Give 4 ounces of orange juice orally.
D. Administer 1 mg glucagon intramuscularly.
Answer: A
Rationale: For severe hypoglycemia with altered mental status and inability to swallow safely, IV
dextrose 50% is the preferred treatment for rapid correction. Glucagon IM (Option A) is an alternative
if IV access is unavailable, but IV access is typically established. Oral glucose is contraindicated due to
aspiration risk. Octreotide is used for sulfonylurea overdose, not initial management.
6. Which type of test is used to verify leakage in a cooling system?
A. Chemical dye
B. Vacuum
C. Pressure
D. Ultrasonic
Answer: C
Rationale: A pressure test is the standard method for detecting cooling system leaks because it applies
controlled pressure to the system, causing coolant to escape at leak points. Vacuum tests are used for
different purposes, chemical dyes require visual inspection, and ultrasonic detection is less common for
cooling systems.
7. If a supported IP phone is configured manually by completing each setting individually through
its web interface, does 3CX Support still cover the device if issues arise due to this manual
configuration?
A. Yes, as long as the phone is on the supported list
B. No, unless the manual configuration is performed by a certified technician
C. Yes, but only if the configuration follows 3CX guidelines
D. No
Answer: D
Rationale: Manual configuration of a supported IP phone via its web interface voids 3CX support for any
issues arising from that configuration. 3CX only provides support for devices configured using their
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,recommended methods, such as the 3CX Management Console or provisioning templates.
8. The physician has ordered amoxicillin 500 mg capsules for a client with esophageal varices.
What is the nurse's best action to ensure safe administration?
A. Request an alternate form of the medication.
B. Administer the capsule whole with a small amount of water.
C. Crush the capsule and mix it with soft food.
D. Open the capsule and sprinkle the contents into a glass of water.
Answer: A
Rationale: Esophageal varices are fragile and prone to rupture; oral capsules can cause mechanical
irritation and bleeding. Requesting a liquid or injectable form avoids this risk, making it the safest
choice.
9. Is it possible for a Multicast Paging Group to page a remote STUN extension?
A. Yes, if the remote STUN extension is registered with the same PBX
B. No
C. Yes, but only when using SIP protocol
D. Yes, because multicast paging is designed to reach any extension regardless of location
Answer: B
Rationale: Multicast Paging is designed for local network use and cannot reach remote STUN extensions
because STUN extensions are behind NAT and not directly reachable via multicast. Remote extensions
require unicast signaling such as SIP or a paging server.
10. The speech-to-text feature is available in all license keys.
A. True
B. False
C. Only in premium license keys
D. Only in enterprise license keys
Answer: B
Rationale: The statement is false because speech-to-text is not available in all license keys; it typically
requires a specific license or subscription. Therefore, the correct answer is B (True/False format, but
here B is the false option).
11. A client who had a thoracentesis one day ago calls the home health agency and reports severe
shortness of breath and anxiety. What is the nurse's primary concern?
A. Pulmonary edema
B. Hemothorax
C. Pneumothorax
D. Anxiety attack
Answer: C
Rationale: A pneumothorax would be the complication of thoracentesis that causes the greatest concern,
along with these symptoms.
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, 12. Lidocaine is a medication frequently prescribed for a client experiencing which condition?
A. Supraventricular tachycardia
B. Ventricular tachycardia
C. Bradycardia
D. Atrial fibrillation
Answer: B
Rationale: Lidocaine is used to treat ventricular tachycardia. This medication slowly exerts an
antiarrhythmic effect by increasing the electric stimulation threshold of the ventricle without depressing
the force of ventricular contractions.
13. An elderly client is hospitalized for transurethral resection of the prostate (TURP). Which
postoperative finding should be reported to the doctor immediately?
A. bright red output with many clots
B. pink-tinged urine with small clots
C. clear yellow urine with occasional mucus shreds
D. dark amber urine with sediment
Answer: A
Rationale: Bright red output with many clots indicates active hemorrhage, which requires immediate
medical intervention. Pink-tinged urine with small clots is common after TURP and usually resolves with
irrigation. Clear yellow urine and dark amber urine with sediment are not indicative of acute bleeding.
14. A newly hired registered nurse (RN) with no prior emergency department (ED) experience has
just completed a one-month orientation. Which of the following clients would be most appropriate
to assign to this nurse?
A. Client with multiple trauma from a motor vehicle accident
B. Client with suspected stroke and altered mental status
C. Client with acute myocardial infarction and chest pain
D. Client with epistaxis with profuse bleeding on warfarin (Coumadin)
Answer: D
Rationale: The initial treatment for epistaxis is upright positioning with direct lateral pressure to the
nose. A nurse with minimal ED experience could be expected to safely provide care for this client. In
addition, laboratory work should be obtained to assess the client's ability to clot, given that he is on
warfarin (Coumadin).
15. A nurse is educating the family of a client receiving mechanical ventilation. Which statement
represents accurate information that the nurse should provide?
A. Paralysis and sedatives help decrease the demand for oxygen.
B. Paralysis and sedatives are given to reduce the client's anxiety and pain during ventilation.
C. Paralysis and sedatives are used to prevent the client from pulling out the endotracheal tube.
D. Paralysis and sedatives are necessary to maintain the ventilator settings prescribed by the physician.
Answer: A
Rationale: Paralytics and sedation decrease oxygen demand.
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