Author: Anonymous

In the equation F = ma, the variable “a” represents: 

Work can happen without movement. 

A 54-year-old patient is admitted to the neurologic intensive care unit after experiencing a sudden, severe headache while exercising. The patient states, “This is the worst headache I have ever had.” The patient vomited once before arrival and is sensitive to light. A CT scan confirms a subarachnoid hemorrhage, and cerebral angiography identifies a ruptured cerebral aneurysm. Current assessment: Glasgow Coma Scale (GCS): 14 BP: 188/102 mmHg HR: 86 beats/min RR: 18 breaths/min SpO₂: 98% on room air Pupils equal and reactive No new focal motor deficits The provider establishes a goal of maintaining the patient’s systolic BP below 160 mmHg while avoiding hypotension and orders an IV nicardipine continuous infusion for persistent hypertension. Which nursing actions are appropriate? Select all that apply

Smaller forces mean larger acceleration.

Which of the below is NOT mentioned in the section on what constitutes a verifiable emergency?

A 22-year-old patient is admitted to the trauma ICU after being ejected from a vehicle during a motor vehicle collision. On arrival, the patient has a Glasgow Coma Scale (GCS) of 13 and a right parietal contusion with a small subdural hematoma on CT. Four hours later, the nurse notes the following changes: Assessment On Admission 4 Hours Later GCS 13 9 BP 132/78 mmHg 174/62 mmHg HR 92 beats/min 54 beats/min RR 18 breaths/min, regular 10 breaths/min, irregular SpO₂ 98% 91% Pupils 3 mm, equal/reactive Right 5 mm sluggish; left 3 mm reactive The patient has also developed repeated vomiting and becomes difficult to arouse. Which action is the nurse’s priority?

A patient with bacterial pneumonia is receiving noninvasive positive-pressure ventilation. The nurse reviews the following ABG trends: Value 0800 1200 Reference Range PH 7.29 7.25 7.35 – 7.45 PaCO₂ 62 mmHg 72 mmHg 35 – 45 mmHg PaO₂ 68 mmHg 56 mmHg 80 – 100 mmHg FiO₂ 0.40 0.40   Respiratory rate 28 beats/min 34 beats/min   Level of consciousness (LOC) Alert Increasingly difficult to arouse   Which findings indicate that the patient’s respiratory status is worsening? Select all that apply

A 68-year-old patient arrives in the emergency department 90 minutes after the sudden onset of right-sided weakness and expressive aphasia. A noncontrast CT scan shows no evidence of intracranial hemorrhage. The patient is being evaluated for IV fibrinolytic therapy. Current vital signs: BP: 192/108 mmHg HR: 84 beats/min RR: 18 breaths/min SpO₂: 98% on room air Which action should the nurse anticipate, based on the included information?

How much work is required to lift a 2.90 kg object from the bottom of a well 10.8 m deep?

A 29-year-old patient is admitted after a motor vehicle collision with a suspected cervical spinal cord injury. The patient is immobilized on a spinal board and has decreased movement and sensation in all four extremities. The patient is awake and speaking but has a weak cough. Spinal imaging has been ordered but has not yet been completed, and the cervical spine has not been cleared. Vital signs: BP: 128/76 mmHg HR: 92 beats/min RR: 24 breaths/min SpO₂: 94% on room air Which actions should the nurse take in providing care for this patient? Select all that apply