A statistical test that can be used to test for the normality of a distribution is:
a. The one-sample t-test
b. The two-sample t-test
c. Levene's test
d. The Kolgomorov-Smirnov test
D
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A patient with worsening tachypnea and dyspnea has a PaO2/FiO2 ratio of 190, bilateral infiltrates on chest x-ray, pulmonary artery occlusive pressure (PAOP) of 15 mm Hg, and no indication of left atrial hypertension
Which of these findings indicates that the patient has acute respiratory distress syndrome (ARDS), as opposed to just acute lung injury (ALI)? A) PaO2/FiO2 ratio of 190 B) Bilateral infiltrates on chest x-ray C) PAOP of 15 mm Hg D) No indication of left atrial hypertension
The nurse assesses the patient's nails and notes clubbing to the fingertips. The nurse recognizes this as a nail disorder common in patients who have:
A) Malnutrition B) Neurologic impairment C) Chronic respiratory impairment D) Renal insufficiency
A woman is experiencing mittelschmerz and increased vaginal discharge. Her temperature has increased by 0.6°C (1.0°F) over the past 36 hours. This most likely indicates what?
1. Menstruation is about to begin. 2. Ovulation will occur soon. 3. Ovulation has occurred. 4. She is pregnant, and will not menstruate.
The pregnant patient is prepared for natural childbirth and has brought with her a picture to use as her object for imagery during labor. What type of nonpharmacologic pain management is this considered?
A) Relaxation technique B) Continuous labor support C) Attention focusing D) Hypnosis