NU 189 Exam 3 Study Guide 2025: Nursing Fundamentals Practice Questions

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EXAM 2: NU 189 / NU189 (LATEST

UPDATES STUDY BUNDLE WITH COMPLETE SOLUTIONS)

MEDICAL-SURGICAL NURSING II | QUESTIONS AND

VERIFIED ANSWERS | 100% CORRECT | GRADE A –

GALEN

Hemoglobin lab value (Hgb) .....ANSWER.....Male: 14-18

Female: 12-16

Phosphorus lab value .....ANSWER.....2.5-4.5

Hematocrit (Hct) lab value .....ANSWER.....Male: 42-52%

Female: 37-47%

white blood cells (WBC) lab value .....ANSWER.....5,000-

10,000/mm3

platelet count (PLT) lab value .....ANSWER.....150,000-

400,000/mm3

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Glucose (GLU) lab value .....ANSWER.....Both sexes: 70-110

Sodium (NA) lab value .....ANSWER.....135-145

Potassium (K) lab value .....ANSWER.....3.5-5.0

Creatinine lab value .....ANSWER.....0.6-1.2 mg/dL

memory trick creati(nine) 0.9 is middle value (nine)

blood urea nitrogen (BUN) lab value .....ANSWER.....10-20

mg/dL

red blood count (RBC) lab value .....ANSWER.....Male: 4.7-6.1

Female: 4.2-5.4

Calcium (Ca) lab value .....ANSWER.....9.0-10.5 mg/dL

Gray hair caused by the absence of .....ANSWER.....Melanin

Wood light .....ANSWER.....Special light for detecting skin

conditions.

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Wood light used to diagnose .....ANSWER.....Fungal infections,

ringworm (tinea corporsis), thrush (moniliasis), athlete's foot (tinea

pedis), jock itch (tinea cruis) and sexual assault cases.

Dermatits .....ANSWER.....inflammation of the skin

Atopic Dermatitis teaching .....ANSWER.....(Eczema); Well

hydrate skin with moisturizer!!! and avoid hot baths

Psoriasis .....ANSWER.....chronic skin condition producing red

lesions covered with silvery scales

Psoriasis teaching .....ANSWER.....- use comfort measures (baths

w/ emollients, oatmeal baths, emollient creams) to soften scales

(KEEP MOIST!!)

- do not scratch or pick lesions!!

- extreme UV radiation can aggravate the condition!!!

-humidifier!!!