NHA CCMA (Certified Clinical Medical
Assistant) Study Guide, Nha certification
study guide for CCMA 2025/2026 EXAM
(Graded A+ actual test
1. Which of the following is the correct order of draw for blood collection tubes
using a closed system?
A) Red, Lavender, Blue, Green
B) Blue, Red, Green, Lavender
C) Lavender, Red, Blue, Green
D) Green, Blue, Lavender, Red
Correct ,,,answer,,,,: B) Blue, Red, Green, Lavender
• Rationale: The standard order of draw prevents cross-contamination of tube
additives. The order is: blood culture bottles first, followed by light blue
(coagulation), red (serum/clot activator), green (heparin), lavender (EDTA),
and gray (sodium fluoride/oxalate).
2. A patient presents with a blood pressure of 152/96 mm Hg. What should the
medical assistant do next?
A) Immediately notify the provider
B) Recheck the BP using a different cuff size
,C) Document as stage 2 hypertension
D) Administer a diuretic
Correct ,,,answer,,,,: B) Recheck the BP using a different cuff size
• Rationale: An abnormal reading should be verified by rechecking after a
few minutes with the correct cuff size. Medical assistants do not diagnose or
prescribe medication.
3. When performing a capillary puncture on an adult patient, which of the
following is the preferred site?
A) Earlobe
B) Heel
C) Finger
D) Toes
Correct ,,,answer,,,,: C) Finger
• Rationale: The finger is the preferred site for capillary blood collection in
adults. Heels are used for infants under 1 year of age.
4. A medical assistant is preparing to administer an intradermal injection. At what
angle should the needle be inserted?
A) 5–15 degrees
B) 45 degrees
,C) 90 degrees
D) 10–20 degrees
Correct ,,,answer,,,,: A) 5–15 degrees
• Rationale: Intradermal injections (e.g., PPD skin test) are given at a 5–15
degree angle to place the medication just under the epidermis. Subcutaneous
injections use 45 degrees, and intramuscular uses 90 degrees.
5. According to the CDC, what is the minimum amount of time a medical assistant
should wash their hands with soap and water?
A) 5 seconds
B) 10 seconds
C) 20 seconds
D) 60 seconds
Correct ,,,answer,,,,: C) 20 seconds
• Rationale: Hands should be washed with soap and water for at least 20
seconds, especially if visibly soiled. Alcohol-based hand rub can be used on
clean, non-visibly soiled hands.
6. A medical assistant is performing a routine urinalysis. Which of the following
findings is considered abnormal?
A) Color: pale yellow
B) Appearance: clear
, C) Glucose: positive
D) pH: 6.0
Correct ,,,answer,,,,: C) Glucose: positive
• Rationale: Glucose is not normally found in urine; a positive result may
indicate diabetes mellitus. Pale yellow color, clear appearance, and pH 6.0
are normal findings.
7. A medical assistant is preparing to administer a subcutaneous injection. Which
of the following needle angles is appropriate for an average-sized adult?
A) 5–15 degrees
B) 45 degrees
C) 90 degrees
D) 10–20 degrees
Correct ,,,answer,,,,: B) 45 degrees
• Rationale: Subcutaneous injections (e.g., insulin, heparin) are given at a 45-
degree angle for average-sized patients, or 90 degrees if using a short needle
or if the patient has adequate subcutaneous tissue.
8. Which of the following is the most common site for venipuncture in an adult?
A) Basilic vein
B) Cephalic vein
Assistant) Study Guide, Nha certification
study guide for CCMA 2025/2026 EXAM
(Graded A+ actual test
1. Which of the following is the correct order of draw for blood collection tubes
using a closed system?
A) Red, Lavender, Blue, Green
B) Blue, Red, Green, Lavender
C) Lavender, Red, Blue, Green
D) Green, Blue, Lavender, Red
Correct ,,,answer,,,,: B) Blue, Red, Green, Lavender
• Rationale: The standard order of draw prevents cross-contamination of tube
additives. The order is: blood culture bottles first, followed by light blue
(coagulation), red (serum/clot activator), green (heparin), lavender (EDTA),
and gray (sodium fluoride/oxalate).
2. A patient presents with a blood pressure of 152/96 mm Hg. What should the
medical assistant do next?
A) Immediately notify the provider
B) Recheck the BP using a different cuff size
,C) Document as stage 2 hypertension
D) Administer a diuretic
Correct ,,,answer,,,,: B) Recheck the BP using a different cuff size
• Rationale: An abnormal reading should be verified by rechecking after a
few minutes with the correct cuff size. Medical assistants do not diagnose or
prescribe medication.
3. When performing a capillary puncture on an adult patient, which of the
following is the preferred site?
A) Earlobe
B) Heel
C) Finger
D) Toes
Correct ,,,answer,,,,: C) Finger
• Rationale: The finger is the preferred site for capillary blood collection in
adults. Heels are used for infants under 1 year of age.
4. A medical assistant is preparing to administer an intradermal injection. At what
angle should the needle be inserted?
A) 5–15 degrees
B) 45 degrees
,C) 90 degrees
D) 10–20 degrees
Correct ,,,answer,,,,: A) 5–15 degrees
• Rationale: Intradermal injections (e.g., PPD skin test) are given at a 5–15
degree angle to place the medication just under the epidermis. Subcutaneous
injections use 45 degrees, and intramuscular uses 90 degrees.
5. According to the CDC, what is the minimum amount of time a medical assistant
should wash their hands with soap and water?
A) 5 seconds
B) 10 seconds
C) 20 seconds
D) 60 seconds
Correct ,,,answer,,,,: C) 20 seconds
• Rationale: Hands should be washed with soap and water for at least 20
seconds, especially if visibly soiled. Alcohol-based hand rub can be used on
clean, non-visibly soiled hands.
6. A medical assistant is performing a routine urinalysis. Which of the following
findings is considered abnormal?
A) Color: pale yellow
B) Appearance: clear
, C) Glucose: positive
D) pH: 6.0
Correct ,,,answer,,,,: C) Glucose: positive
• Rationale: Glucose is not normally found in urine; a positive result may
indicate diabetes mellitus. Pale yellow color, clear appearance, and pH 6.0
are normal findings.
7. A medical assistant is preparing to administer a subcutaneous injection. Which
of the following needle angles is appropriate for an average-sized adult?
A) 5–15 degrees
B) 45 degrees
C) 90 degrees
D) 10–20 degrees
Correct ,,,answer,,,,: B) 45 degrees
• Rationale: Subcutaneous injections (e.g., insulin, heparin) are given at a 45-
degree angle for average-sized patients, or 90 degrees if using a short needle
or if the patient has adequate subcutaneous tissue.
8. Which of the following is the most common site for venipuncture in an adult?
A) Basilic vein
B) Cephalic vein
