The major environmental source of lead absorbed in

ATI RN

ATI RN Test Bank

The major environmental source of lead absorbed in the human bloodstream is

A. air B. water C. lead-based paint D. food

Correct Answer: C

Rationale: Lead-based paint, especially in older homes, is the primary source of lead exposure in the U.S.

Characteristic signs or symptoms of kwashiorkor include all the following EXCEPT

A. hypoalbuminemia B. loss of subcutaneous fat C. edema D. diarrhea

Correct Answer: B

Rationale: Kwashiorkor (protein deficiency) causes edema and hypoalbuminemia, not fat loss (seen in marasmus). Diarrhea and skin lesions occur.

Match each set of symptoms and signs with the dietary deficiency: Petechiae, sore gums, hematuria, and bone or joint pain

A. Vitamin A deficiency B. Thiamine deficiency C. Vitamin C deficiency D. Vitamin D deficiency

Correct Answer: C

Rationale: Scurvy (vitamin C deficiency) causes petechiae, gum issues, and bone pain.

Match each set of symptoms and signs with the dietary deficiency: Conjunctival xerosis, hyperkeratosis, and keratomalacia

A. Vitamin A deficiency B. Thiamine deficiency C. Vitamin C deficiency D. Vitamin D deficiency

Correct Answer: A

Rationale: Vitamin A deficiency affects eyes and skin, causing xerosis and keratomalacia.

For each preventive health measure or concern, select the age range with which it is associated: Tetanus-diphtheria (Td) booster

A. Birth to 18 months B. Ages 2 to 6 C. Ages 7 to 12 D. Ages 13 to 18

Correct Answer: D

Rationale: Td booster is given at 11-12 years, fitting ages 13-18.

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