The nurse correctly understands that the diphtheria toxoid is created by adding which substance to the diphtheria toxin?
1. Yeast
2. Mercury
3. Formalin
4. Mold
Correct Answer: 3
Rationale 1: Yeast is not a part of vaccines, except for a slight relationship to the hepatitis B vaccine.
Rationale 2: Mercury has been removed from vaccines for safety's sake.
Rationale 3: Formalin is added to the diphtheria toxin to produce diphtheria toxoid.
Rationale 4: Mold is not added to any vaccines.
Global Rationale: Diphtheria toxin is produced by organisms in culture that are rendered inactive by the addition of formalin. Yeast is not a part of vaccines, except for a slight relationship to the hepatitis B vaccine. Mercury has been removed from vaccines for safety's sake. Mold is not added to any vaccines.
You might also like to view...
The legal concept of preventing harm to others is called _________________________
Fill in the blank(s) with correct word
The graduate nurse understands the purpose of the NCLEX-RN® exam when stating which of the following?
a. "The exam provides feedback to the can-didate regarding areas of weakness in nursing practice.". b. "The exam determines the candidate's ability or inability to meet minimum standards for safe practice.". c. "The exam gives employers an opportunity to hire graduates who have scored highest among first-time licensure candidates.". d. "The exam prepares new graduates as ef-ficient, effective staff nurses.".
A 46-year-old patient is seen in the clinic with abdominal pain. Which of the following tests is essential for this patient?
a. Complete blood cell (CBC) count with differential b. Urine hCG c. Barium enema d. Computed tomography (CT) of the abdomen
Which is the most critical physiologic change required of the newborn?
a. Closure of fetal shunts in the heart b. Stabilization of fluid and electrolytes c. Body-temperature maintenance d. Onset of breathing