A newborn presents with a pulse rate of 40 beats/min after 30 seconds of positive-pressure ventilation with a bag-mask device. What is the next most appropriate intervention?
A) Begin ventilations with a bag-mask device.
B) Administer atropine.
C) Begin chest compressions.
D) Administer epinephrine.
Answer: C) Begin chest compressions.
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The nurse administers a parasympathetic stimulator that only stimulates nicotinic receptors. What effects would the nurse expect to assess? (Select all that apply.)
A) Muscle contraction B) Slowing heart rate C) Increased bladder contraction D) Signs and symptoms of a stress reaction E) Release of epinephrine from adrenal medulla
Which of the following is true about a patient diagnosed with sinus arrhythmia?
a. The heart rate varies, dependent on vagal tone and respiratory pattern. b. Immediate treatment is essential to prevent death. c. Sinus arrhythmia is not well tolerated by most patients. d. PR and QRS interval measurements are prolonged.
Even though the normal range for serum glucose is 60–100 mg/dL, the body usually tightly regulates this level to:
1. 90–100 mg/dL. 2. 80–90 mg/dL. 3. 60–70 mg/dL. 4. 70–80 mg/dL.
When preparing a patient for surgery, a nursing assistant may be asked to
a. administer medication. b. dress the patient in a hospital gown. c. explain the procedure to the patient's family. d. remove any IV tubing.