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A 45-year-old male postsurgical patient is on a ventilator
in the critical care unit. He has been tolerating the
ventilator well and has not required any sedation. He
becomes tachycardic and hypertensive. His respiratory
rate has increased to 28 breaths/min. The ventilator is set
on synchronized intermittent mandatory ventilation
(SIMV) at a rate of 10 breaths/min. The patient has been
suctioned recently via his endotracheal tube, and his
airway is clear. He responds appropriately to the nurse's
commands. The nurse should:
a. assess the patient's level of pain.
b. decrease the SIMV rate on the ventilator.
c. provide sedation as ordered.
d. suction the patient again. - correct answer- a
A 65-year-old patient with a history of metastatic lung
carcinoma has been unresponsive to chemotherapy. The
,medical team has determined that there are no additional
treatments available that will prolong life or improve the
quality of life in any meaningful way. Despite the poor
prognosis, the patient continues to receive chemotherapy
and full nutrition support. This is an example of what end-
of-life concept?
a. Medical futility
b. Palliative care
c. Terminal weaning
d. Withdrawal of treatment - correct answer- A
Medical futility is a situation in which therapy or
interventions will not provide a foreseeable possibility of
improvement in the patient's health status.
A 72-year-old woman is brought to the ED by her family.
The family states that she's "just not herself." Her
respirations are slightly labored, and her heart monitor
shows sinus tachycardia (rate 110 beats/min) with
frequent premature ventricular contractions (PVCs). She
denies any chest pain, jaw pain, back discomfort, or
nausea. Her troponin levels are elevated, and her 12-lead
electrocardiogram (ECG) shows elevated ST segments in
leads II, III, and aVF. The nurse knows that these
,symptoms are most likely associated with which
diagnosis?
a. Hypokalemia
b. Non-Q wave MI
c. Silent myocardial infarction
d. Unstable angina - correct answer- c
A definitive diagnosis of pulmonary embolism can be
made by
a. arterial blood gas (ABG) analysis.
b. chest x-ray examination.
c. pulmonary angiogram.
d. ventilation-perfusion scanning. - correct answer-
c
A mode of pressure-targeted ventilation that provides
positive pressure to decrease the workload of
spontaneous breathing through the endotracheal tube is
a. continuous positive airway pressure.
b. positive end-expiratory pressure.
, c. pressure support ventilation.
d. T-piece adapter. - correct answer- C
Pressure support (PS) is a mode of ventilation in which the
patient's spontaneous respiratory activity is augmented
by the delivery of a preset amount of inspiratory positive
pressure
A patient develops frequent ventricular ectopy. The nurse
prepares to administer which drug?
a. Adenosine
b. Atropine
c. Lidocaine
d. Magnesium - correct answer- c
Lidocaine is an antidysrhythmic drug that suppresses
ventricular ectopic activity
A patient has been diagnosed with Marfan syndrome.
What information does the nurse plan to teach the
patient about this condition?
a. It is an autosomal dominant inherited disorder of
connective tissue.