Maryland Diagnostic Medical
Sonographer Certification Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. Which organization primarily administers the Registered Diagnostic
Medical Sonographer credential commonly required for employment
in Maryland?
A. American Registry of Radiologic Technologists
B. American Registry for Diagnostic Medical Sonography
C. National Healthcareer Association
D. American Society of Echocardiography
B. American Registry for Diagnostic Medical Sonography
Rationale: The American Registry for Diagnostic Medical Sonography
(ARDMS) administers the RDMS credential, which is widely recognized by
employers and healthcare institutions throughout Maryland and the
United States as the standard certification for diagnostic medical
sonographers.
2. Which examination must generally be passed before obtaining an
RDMS credential?
A. NCLEX-RN
, B. SPI Examination
C. CMAA Examination
D. CPC Examination
B. SPI Examination
Rationale: The Sonography Principles and Instrumentation (SPI)
examination evaluates ultrasound physics and instrumentation knowledge
and is a required component for obtaining ARDMS credentials.
3. A student completing a diagnostic medical sonography program in
Maryland should ideally attend a program accredited by:
A. ABHES
B. CAPTE
C. CAAHEP
D. ACEN
C. CAAHEP
Rationale: The Commission on Accreditation of Allied Health Education
Programs (CAAHEP) accredits sonography programs and helps ensure
graduates meet eligibility requirements for certification examinations and
employment.
4. Which specialty examination may be combined with the SPI
examination to earn the RDMS credential?
A. Abdomen
B. Pharmacy Technician
C. Surgical Technology
D. Respiratory Care
A. Abdomen
,Rationale: ARDMS offers several specialty examinations including
Abdomen, Breast, OB/GYN, and Pediatric Sonography that may be paired
with the SPI examination to achieve RDMS certification.
5. Which imaging modality uses high-frequency sound waves to create
diagnostic images?
A. MRI
B. CT
C. Ultrasound
D. PET
C. Ultrasound
Rationale: Diagnostic medical sonography relies on high-frequency sound
waves rather than ionizing radiation to visualize internal body structures.
6. Which Maryland healthcare setting employs the largest percentage of
sonographers?
A. Veterinary clinics
B. Hospitals
C. Law offices
D. Insurance agencies
B. Hospitals
Rationale: Hospitals employ a significant portion of diagnostic medical
sonographers because of the extensive demand for imaging services in
emergency, inpatient, and outpatient departments.
7. Which patient-care skill is most essential for a diagnostic medical
sonographer?
A. Welding ability
B. Bedside communication
C. Aircraft operation
D. Legal drafting
, B. Bedside communication
Rationale: Sonographers work directly with patients and must
communicate effectively, explain procedures, and provide reassurance
during examinations.
8. Which credential specifically applies to vascular sonography?
A. RVT
B. RMA
C. CRT
D. CNA
A. RVT
Rationale: The Registered Vascular Technologist (RVT) credential is an
ARDMS certification specializing in vascular ultrasound imaging.
9. Which structure is commonly evaluated during an obstetrical
ultrasound?
A. Retina
B. Thyroid gland
C. Fetus
D. Tympanic membrane
C. Fetus
Rationale: Obstetrical sonography focuses on fetal development, maternal
anatomy, and pregnancy-related assessments.
10. What is the primary purpose of ultrasound gel during scanning
procedures?
A. Sterilization
B. Radiation protection
C. Improved sound wave transmission
D. Tissue staining
Sonographer Certification Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. Which organization primarily administers the Registered Diagnostic
Medical Sonographer credential commonly required for employment
in Maryland?
A. American Registry of Radiologic Technologists
B. American Registry for Diagnostic Medical Sonography
C. National Healthcareer Association
D. American Society of Echocardiography
B. American Registry for Diagnostic Medical Sonography
Rationale: The American Registry for Diagnostic Medical Sonography
(ARDMS) administers the RDMS credential, which is widely recognized by
employers and healthcare institutions throughout Maryland and the
United States as the standard certification for diagnostic medical
sonographers.
2. Which examination must generally be passed before obtaining an
RDMS credential?
A. NCLEX-RN
, B. SPI Examination
C. CMAA Examination
D. CPC Examination
B. SPI Examination
Rationale: The Sonography Principles and Instrumentation (SPI)
examination evaluates ultrasound physics and instrumentation knowledge
and is a required component for obtaining ARDMS credentials.
3. A student completing a diagnostic medical sonography program in
Maryland should ideally attend a program accredited by:
A. ABHES
B. CAPTE
C. CAAHEP
D. ACEN
C. CAAHEP
Rationale: The Commission on Accreditation of Allied Health Education
Programs (CAAHEP) accredits sonography programs and helps ensure
graduates meet eligibility requirements for certification examinations and
employment.
4. Which specialty examination may be combined with the SPI
examination to earn the RDMS credential?
A. Abdomen
B. Pharmacy Technician
C. Surgical Technology
D. Respiratory Care
A. Abdomen
,Rationale: ARDMS offers several specialty examinations including
Abdomen, Breast, OB/GYN, and Pediatric Sonography that may be paired
with the SPI examination to achieve RDMS certification.
5. Which imaging modality uses high-frequency sound waves to create
diagnostic images?
A. MRI
B. CT
C. Ultrasound
D. PET
C. Ultrasound
Rationale: Diagnostic medical sonography relies on high-frequency sound
waves rather than ionizing radiation to visualize internal body structures.
6. Which Maryland healthcare setting employs the largest percentage of
sonographers?
A. Veterinary clinics
B. Hospitals
C. Law offices
D. Insurance agencies
B. Hospitals
Rationale: Hospitals employ a significant portion of diagnostic medical
sonographers because of the extensive demand for imaging services in
emergency, inpatient, and outpatient departments.
7. Which patient-care skill is most essential for a diagnostic medical
sonographer?
A. Welding ability
B. Bedside communication
C. Aircraft operation
D. Legal drafting
, B. Bedside communication
Rationale: Sonographers work directly with patients and must
communicate effectively, explain procedures, and provide reassurance
during examinations.
8. Which credential specifically applies to vascular sonography?
A. RVT
B. RMA
C. CRT
D. CNA
A. RVT
Rationale: The Registered Vascular Technologist (RVT) credential is an
ARDMS certification specializing in vascular ultrasound imaging.
9. Which structure is commonly evaluated during an obstetrical
ultrasound?
A. Retina
B. Thyroid gland
C. Fetus
D. Tympanic membrane
C. Fetus
Rationale: Obstetrical sonography focuses on fetal development, maternal
anatomy, and pregnancy-related assessments.
10. What is the primary purpose of ultrasound gel during scanning
procedures?
A. Sterilization
B. Radiation protection
C. Improved sound wave transmission
D. Tissue staining
