A 56-year-old man has been brought to the emergency department by emergency medical services (EMS) and has been diagnosed with a myocardial infarction (MI) based on his presentation and electrocardiogram (ECG)
The patient has been identified as a candidate for percutaneous transluminal coronary angioplasty (PTCA). The nurse who is providing care for this patient should recognize that the extent of cardiac damage will primarily depend on:
A) The patient's previous use of antiplatelets and anticoagulants
B) The particular risk factors that contributed to the patient's MI
C) The duration of oxygen deprivation to the patient's cardiac cells
D) The patient's high- and low-density lipoprotein (LDL, HDL) levels prior to MI
C
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A nurse explains to a patient's family that his respirations are faster and deeper than normal because
1. His blood oxygen level indicates hypoxemia. 2. He is using his intercostal muscles to breathe. 3. He has developed an inflammation of the phrenic nerve. 4. He is expelling too much carbon dioxide.
What is the ratio of the weight of sodium chloride to the volume of IV fluid in NS?
A) 0.9 grams of sodium chloride to 100 mL of IV fluid B) 0.009 grams of sodium chloride to 1 milliliter of IV fluid C) 0.9 grams of sodium chloride to 1 liter of IV fluid D) 0.9 milligrams of sodium chloride to 100 mL of IV fluid
The emergency department nurse is attempting to revive an unconscious, shivering person with extreme hypothermia (rectal temperature of 94° F). The nurse should be most alarmed with which change?
a. The patient's cold ears turn red. b. The patient stops shivering. c. The patient's hands clench. d. The patient's reflexes return.
The nurse is instructing a patient with low levels of circulating thyroid hormone. Food containing which nutrient should the nurse encourage the patient to increase the consumption?
A. Vitamin D B. Iodine C. Calcium D. Phosphorus