NHA MEDICAL ASSISTANT EXAM NEWEST EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)

NHA MEDICAL ASSISTANT EXAM NEWEST 2024-
2025 EXAM COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS)
Yellow top tube


Ans: additive:Sodium polyanethol sulfonate (SPS)


use: SPS for blood culture specimen collections in microbiology; sterile blood cultures,

bacterial studies

QUESTION>>>> Gold/Tiger Top Tube


Ans: additive: serum separator tube (SST), clot activator, thixotropic gel (creates

barriers)


use: chemistry; routine blood donor screening, diagnostic testing of serum for infectious

diseases

QUESTION>>>> Light blue top tube


Ans: additive: Sodium Citrate / Anticoagulant


use: coagulation studies; prevent clotting

QUESTION>>>> Green top tube


Ans: additive: sodium heparin; lithium heparin


use: plasma determinations in chemistry; prevent clotting

QUESTION>>>> Red top tube

, 2



Ans: additive: plastic--> clot activator for sodium; glass--> no additive (plain)


use: chemistry; routine blood donor screening; diagnostic testing for infectious diseases;

serum specimens

QUESTION>>>> Lavender top tube


Ans: additive: anticoagulant EDTA (ethylenediaminetetraacetic acid)


use: whole blood hematology testing; routine immunohematology testing; blood donor

screening; CBC

QUESTION>>>> Gray top tube


Ans: additive: potassium oxalate; sodium fluoride


use: glucose testing (GTT); inhibits glycolysis; alcohol levels

QUESTION>>>> Intradermal (ID) injection


Ans: gauge: 27 to 28


length: 3/8 in


angle: 10-15 degrees


location: mid forearm (TB; wheel)

QUESTION>>>> Subcutaneous (SubQ, SC) injection




Master01 | Dec, 2024/2025 | Latest update

, 3



Ans: gauge: 25 to 26


length: 1/2, 5/8 in


angle: 45 degrees


location: upper outer arm, abdomen, and thigh (heparin and insulin, no massage)

QUESTION>>>> intramuscular (IM) injection


Ans: gauge: 20 to 23


length: 1 to 3 in


angle: 90 degrees


location: deltoid (1 ml, not for <3, massged), ventrogluteal (large quantities, deeper,

viscous), vastus lateralis ( for <3)


clean from center outward with alcohol pad/swab

QUESTION>>>> Hemoglobin (Hgb)


Ans: Females: 12-16 g/dL


Males: 15-17 g/dL

QUESTION>>>> Hematocrit (Hct)


Ans: Females: 36%- 45%


Males: 42%- 52%

QUESTION>>>> fasting blood glucose (FBG)


Master01 | Dec, 2024/2025 | Latest update

, 4



Ans: 60-110 mg/dL

QUESTION>>>> total cholesterol


Ans: less than 200 mg/dL

QUESTION>>>> Triglycerides


Ans: less than 150 mg/dL

QUESTION>>>> Urine


Ans: pH: 4-6.8


specific gravity: 1.005-1.030


urobilinogen: 0.1 to 1


other: negative

QUESTION>>>> sodium


Ans: 135 to 145 mEq/L

QUESTION>>>> Red blood cell count


Ans: Males: 4.7-6.1 /mm^3


Females: 4.2- 5.4 /mm^3

QUESTION>>>> Platelet


Ans: 130 to 400 /mm^3

QUESTION>>>> Potassium



Master01 | Dec, 2024/2025 | Latest update