Which statement is true of the physical properties of nitrous oxide-oxygen gas?

The school nurse at a public high school recently noticed an increase in students smoking before and after school. The nurse begins the Continuous Quality Improvement (CQI) process by performing an assessment. What is the next CQI step the nurse should take?

The nurse identifies that 18 workers out of 842 have reported new symptoms of headache and nausea. What can the nurse calculate with this information?

A team of nurse scientists is investigating whether an agent can produce an infectious disease in a host. What property of the agent is the team investigating?

Case #5: MIKE Patient Profile: The patient is a 40 year old male, 5’10’’, 215 lbs. Blood pressure today is 118/68. Pulse is 68. Medical history reveals a history of depression and anxiety. He currently takes a tricyclic antidepressant. No allergies that he knows of. Chief Complaint: I have taken really good of care of my teeth. This is my first filling in my life and I am kind of nervous. Clinical Findings: #30 has a carious lesion on the occlusal surface Diagnosis: Generalized healthy, Caries Active, Deposit 1 Supplemental Notes: Works as a mail man.  

Choose the BEST answer for each description.

You and Lori have chosen nitrous oxide/oxygen sedation for her pain management during treatment. What action does nitrous oxide-oxygen have on the body in order to control pain experienced by the patient?

Which factor is of least concern when administering local anesthesia to an older adult?

Case #2: SARAH Patient Profile: The patient is a 76 year old female, 5’1’’, 150 lbs. Blood pressure is 120/84. Pulse is 62. Her medical history reveals angina (controlled), diabetes type II (A1c 8.2), high cholesterol, and depression. She currently takes Novolog (insulin), Lipitor, Elavil (tricyclic antidepressant), and Nitroglycerin as needed. Allergy to sulfa. Chief Complaint: I do not like the dentist. Clinical Findings: Xerostomia, Periodontal assessment reveals 4-6 mm pockets in posterior teeth with moderate bleeding on probing, bilateral crepitus of TMJ, jaw gets tired, mandibular anteriors sensitive to touch and cold Diagnosis: Localized Stage III Periodontitis Grade C (Diabetes modifier), Caries Active, Deposit 2 Supplemental Notes: Retired teacher, widowed. #3 and #20 extracted due to fractures after RCT, history of caries and orthodontia Treatment Plan includes SRP for #2, 4, 13, 14, 15, 19, 29, 30, 31.  

A provider orders 1.5 grams of cefazolin IV every 8 hours. The medication is available in 500 mg per vial. How many milligrams should the nurse prepare per dose?