A patient on the medical unit is found to have pulmonary tuberculosis (TB). What is the most appropriate precaution for the staff to take to prevent transmission of this disease?
- A. Standard precautions only
- B. Droplet precautions
- C. Standard and contact precautions
- D. Standard and airborne precautions
Correct Answer: D
Rationale: Pulmonary TB requires airborne precautions with standard precautions to prevent droplet transmission. Droplet or contact precautions alone are insufficient.
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The infectious control nurse is presenting a program on West Nile virus for a local community group. To reduce the incidence of this disease, the nurse should recommend what action?
- A. Covering open wounds at all times
- B. Vigilant handwashing in home and work settings
- C. Consistent use of mosquito repellants
- D. Annual vaccination
Correct Answer: C
Rationale: West Nile virus is transmitted by mosquitoes, so repellants are the most effective prevention. No vaccine exists, and handwashing or wound covering are less specific.
A student nurse completing a preceptorship is reviewing the use of standard precautions. Which of the following practices is most consistent with standard precautions?
- A. Wearing a mask and gown when starting an IV line
- B. Washing hands immediately after removing gloves
- C. Recapping all needles promptly after use to prevent needlestick injuries
- D. Double-gloving when working with a patient who has a blood-borne illness
Correct Answer: B
Rationale: Handwashing after glove removal is a core standard precaution to prevent contamination. Masks, gowns, needle recapping, and double-gloving are not standard practices.
The nurse educator is discussing emerging diseases with a group of nurses. The educator should cite what causes of emerging diseases? Select all that apply.
- A. Progressive weakening of human immune systems
- B. Use of extended-spectrum antibiotics
- C. Population movements
- D. Increased global travel
- E. Globalization of food supplies
Correct Answer: B,C,D,E
Rationale: Emerging diseases are driven by antibiotic resistance, population movements, global travel, and food globalization. Generalized immune weakening is not a primary cause.
A patients diagnostic testing revealed that he is colonized with vancomycin-resistant enterococcus (VRE). What change in the patients health status could precipitate an infection?
- A. Use of a narrow-spectrum antibiotic
- B. Treatment of a concurrent infection using vancomycin
- C. Development of a skin break
- D. Persistent contact of the bacteria with skin surfaces
Correct Answer: C
Rationale: A skin break provides a portal for VRE to cause infection from colonization. Antibiotics or prolonged skin contact are less likely to trigger infection.
A male patient comes to the clinic and is diagnosed with gonorrhea. Which symptom most likely prompted him to seek medical attention?
- A. Rashes on the palms of the hands and soles of the feet
- B. Cauliflower-like warts on the penis
- C. Painful, red papules on the shaft of the penis
- D. Foul-smelling discharge from the penis
Correct Answer: D
Rationale: Foul-smelling penile discharge is a hallmark symptom of gonorrhea, often accompanied by painful urination. Rashes indicate syphilis, warts suggest HPV, and painful papules are associated with herpes.
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