Question 1

A common problem in patients with third-degree AV block is

Options :

A : hypoperfusion.

B : heart failure.

C : hypoxia.

D : chest pain.

Answer: A

Question 2

For a patient with suspected pulmonary embolism, which of the following is the most definitive diagnostic test?

Options :

A : pulmonary angiography

B : ABG analysis

C : ventilation scan

D : chest x-ray

Answer: A

Question 3

A patient admitted with a diagnosis of pneumonia has a temperature of 103.2° F (39.5° C) and copious pulmonary secretions. ABG results drawn on room air are:

The nurse should expect that hemoglobin's affinity for oxygen in this patient to be

Options :

A : unchanged.

B : unpredictable.

C : increased.

D : decreased.

Answer: D

Question 4

A patient has a linear skull fracture with multisystem trauma. The patient's vital signs are as follows: BP 80/50 HR120 CVP2 mm Hg Which of the following is the most appropriate explanation for this patient's condition?

Options :

A : The patient has lost a significant amount of blood because of intracranial hemorrhage.

B : Fluid regulation by the neurohypophysis is impaired because of increased intracranial pressure.

C : Parasympathetic stimulation is causing significant vasodilatation and pooling of blood.

D : Blood loss is occurring from a noncerebral injury.

Answer: D

Question 5

A patient is intubated, is unable to follow simple commands, and has no history of alcohol abuse. The patient has become increasingly disoriented and confused over the past 24 hours. After assessment and treatment of pain, the best medication intervention for management is

Options :

A : lorazepam (Ativan).

B : cisatracurium (Nimbex).

C : midazolam (Versed).

D : dexmedetomidine (Precedex).

Answer: D

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