NR_224_FUNDAMENTALS_CERTIFICATION_PAPER_2026_FULL_SOLUTION_GRADED.

NR 224 FUNDAMENTALS CERTIFICATION
PAPER 2026 FULL SOLUTION GRADED A+

● What is the fourth chain of infection? Answer: Portal of entry


● What are some examples of a reservoir? Answer: -Food
-Oxygen
-Water
-Temperature
-Ph


● What are some examples of portal of exit? Answer: -Skin of mucous
membranes
-Respiratory Tract
-Urinary Tract
-Reproductive Tract
-Blood


● Unwashed hands, varicella-zoster, and equipment can be what part of
the infection chain? Answer: -modes of transmission

, ● Vector (flies), vehicles, airborne, droplet, indirect. and direct are forms
of modes of transmission, true or false? Answer: modes of transmission


● A localized infection would be an infection that affects the entire body
instead of just a single organ and experiences fever, or fatigue, true or
false? Answer: false


● A systemic infection (ex. wound), a patient usually experiences
redness, swelling, warmth at the site? True or False Answer: False


● Which of the following is not a factor that influences prevention and
control?
-Sex
-Age
-Disease Process
-Stress
-Nutritional Status
-Exercise Answer: -Excerise


● Which of the following are signs of an infection?
-redness
-edema
-fatigue