2026 Expert Verifed Ace the
Text
Yellow top tube - ANSWER ✔✔additive:Sodium polyanethol sulfonate
(SPS)
use: SPS for blood culture specimen collections in microbiology; sterile
blood cultures, bacterial studies
Gold/Tiger Top Tube - ANSWER ✔✔additive: serum separator tube
(SST), clot activator, thixotropic gel (creates barriers)
,use: chemistry; routine blood donor screening, diagnostic testing of
serum for infectious diseases
Light blue top tube - ANSWER ✔✔additive: Sodium Citrate /
Anticoagulant
use: coagulation studies; prevent clotting
Green top tube - ANSWER ✔✔additive: sodium heparin; lithium
heparin
use: plasma determinations in chemistry; prevent clotting
Red top tube - ANSWER ✔✔additive: plastic--> clot activator for
sodium; glass--> no additive (plain)
use: chemistry; routine blood donor screening; diagnostic testing for
infectious diseases; serum specimens
Lavender top tube - ANSWER ✔✔additive: anticoagulant EDTA
(ethylenediaminetetraacetic acid)
use: whole blood hematology testing; routine immunohematology
testing; blood donor screening; CBC
Gray top tube - ANSWER ✔✔additive: potassium oxalate; sodium
fluoride
,use: glucose testing (GTT); inhibits glycolysis; alcohol levels
Intradermal (ID) injection - ANSWER ✔✔gauge: 27 to 28
length: 3/8 in
angle: 10-15 degrees
location: mid forearm (TB; wheel)
Subcutaneous (SubQ, SC) injection - ANSWER ✔✔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)
intramuscular (IM) injection - ANSWER ✔✔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
Hemoglobin (Hgb) - ANSWER ✔✔Females: 12-16 g/dL
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, Males: 15-17 g/dL
Hematocrit (Hct) - ANSWER ✔✔Females: 36%- 45%
Males: 42%- 52%
fasting blood glucose (FBG) - ANSWER ✔✔60-110 mg/dL
total cholesterol - ANSWER ✔✔less than 200 mg/dL
Triglycerides - ANSWER ✔✔less than 150 mg/dL
Urine - ANSWER ✔✔pH: 4-6.8
specific gravity: 1.005-1.030
urobilinogen: 0.1 to 1
other: negative
sodium - ANSWER ✔✔135 to 145 mEq/L
Red blood cell count - ANSWER ✔✔Males: 4.7-6.1 /mm^3
Females: 4.2- 5.4 /mm^3
Platelet - ANSWER ✔✔130 to 400 /mm^3
Potassium - ANSWER ✔✔3.5 to 5.1 mEq/L
usually only buy 3-5 bananas