Density and Concentration – Level 3 A series of several standard solutions of varying concentrations were prepared by a chemistry lab instructor for students to use in lab. The density of these solutions were measured and the following calibration curve was constructed.  The students were given data for two unknowns (Unknown A and B) .  The density of Unknown A was 1.0921 g/mL.The concentration of Unknown B was 1.756 M. What is the concentration of Unknown A and the density of Unknown B?

A 4-month-old infant is brought to the clinic to have a second diphtheria, tetanus, and pertussis (DTaP) vaccine. The infant’s mother states that the infant has had a runny nose for the last 2 days but no fever. Prior to administering the infant’s immunization, which question from the nurse to the mother is the most appropriate?

Which assessment data cause the nurse to suspect that a 16-month-old has celiac disease?

The nurse is educating the parents of a child diagnosed with C. diff. on proper precautions for infection control. Which statement by the parents indicated to the nurse that more education is needed?

A parent asks the nurse how severe childhood immunization reactions are reported. What is the nurse’s best response?

Reusable receptor holders must be _______ after each use.

If the operating kilovoltage is increased, the image density increases because the average energy of the x-rays is higher.

The error displayed in this image is termed _______ .  This is corrected by _______ the _______ angulation of the PID.

Which of the following areas would appear radiopaque on a dental image?

The geometric characteristic of _____ refers to an image that appears larger than the actual size of the object it represents.