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Sterile Processing Technician Exam

Anatomy & Physiology Practice Questions

25 practice questions with detailed explanations — aligned to the Sterile Processing Technician Exam.

  1. Q1.The suffix '-ectomy' in medical terminology means:

    A.Inflammation of
    B.Surgical removal of
    C.Surgical repair of
    D.Creation of a new opening
    BSurgical removal of

    Explanation: -ectomy means removal (e.g., appendectomy). -itis means inflammation. -plasty means repair. -ostomy means creating an opening.

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  2. Q2.Which surgical procedure involves the removal of the gallbladder?

    A.Gastrectomy
    B.Cholecystectomy
    C.Colectomy
    D.Hysterectomy
    BCholecystectomy

    Explanation: Chole- refers to bile/gall, -cyst- refers to bladder/sac. Cholecystectomy is the removal of the gallbladder.

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  3. Q3.The long shaft of a long bone (like the femur) is called the:

    A.Epiphysis
    B.Diaphysis
    C.Periosteum
    D.Marrow
    BDiaphysis

    Explanation: The diaphysis is the main midsection (shaft) of a long bone. The epiphysis is the rounded end.

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  4. Q4.Instruments used for a 'Craniotomy' would be used on which part of the body?

    A.The skull
    B.The heart
    C.The hip
    D.The spine
    AThe skull

    Explanation: Crani- refers to the cranium (skull). A craniotomy is creating an opening in the skull to access the brain.

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  5. Q5.Which body system is responsible for circulating blood throughout the body?

    A.Nervous system
    B.Integumentary system
    C.Cardiovascular system
    D.Endocrine system
    CCardiovascular system

    Explanation: The cardiovascular system (heart and blood vessels) pumps and circulates blood.

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  6. Q6.The prefix 'Hyper-' means:

    A.Below or deficient
    B.Above or excessive
    C.Between
    D.Within
    BAbove or excessive

    Explanation: Hyper- means above/high (e.g., Hypertension). Hypo- means below/low.

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  7. Q7.A 'Bilateral Salpingo-Oophorectomy' involves the removal of:

    A.Both kidneys
    B.Both fallopian tubes and both ovaries
    C.The uterus and cervix
    D.Part of the colon
    BBoth fallopian tubes and both ovaries

    Explanation: Bilateral (both sides), Salpingo (tubes), Oophor (ovaries), ectomy (removal).

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  8. Q8.Which connective tissue connects bone to bone?

    A.Tendon
    B.Ligament
    C.Cartilage
    D.Fascia
    BLigament

    Explanation: Ligaments connect bone to bone (providing stability). Tendons connect muscle to bone (providing movement).

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  9. Q9.The term 'Arthroscopy' refers to:

    A.Visual examination of a joint using a scope
    B.Repair of a hernia
    C.Removal of a joint
    D.Incision into an artery
    AVisual examination of a joint using a scope

    Explanation: Arthro- (joint) + -scopy (visual examination).

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  10. Q10.Which organ is the primary filter of the blood, removing waste products to form urine?

    A.Liver
    B.Pancreas
    C.Kidney
    D.Spleen
    CKidney

    Explanation: The kidneys filter blood and produce urine. Nephrectomy instruments are used for kidney removal.

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  11. Q11.The 'distal' end of an instrument is:

    A.The end closest to the user's hand (rings)
    B.The working end furthest from the user's hand (tips)
    C.The hinge area
    D.The middle
    BThe working end furthest from the user's hand (tips)

    Explanation: Distal means 'distant' or furthest away from the point of attachment (the hand). Proximal is closest to the hand.

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  12. Q12.A 'Thoracotomy' tray would contain instruments used for surgery on the:

    A.Abdomen
    B.Chest/Lungs
    C.Brain
    D.Thigh
    BChest/Lungs

    Explanation: Thoraco- refers to the thorax (chest). A thoracotomy is an incision into the chest cavity.

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  13. Q13.Which system controls body activities through electrical impulses?

    A.Circulatory system
    B.Nervous system
    C.Digestive system
    D.Respiratory system
    BNervous system

    Explanation: The nervous system (brain, spinal cord, nerves) uses electrical signals to control the body.

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  14. Q14.The term 'Septoplasty' involves repair of the:

    A.Heart valves
    B.Nasal septum
    C.Stomach lining
    D.Eardrum
    BNasal septum

    Explanation: Septo- refers to a wall or partition, commonly the nasal septum. -plasty is repair.

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  15. Q15.The largest organ in the human body, which protects against infection and regulates temperature, is the:

    A.Liver
    B.Skin (Integumentary System)
    C.Femur
    D.Brain
    BSkin (Integumentary System)

    Explanation: The skin is the largest organ and the first line of defense against infection.

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  16. Q16.What type of tissue covers the body surface and lines internal organs?

    A.Connective tissue
    B.Muscle tissue
    C.Epithelial tissue
    D.Nervous tissue
    CEpithelial tissue

    Explanation: Epithelial tissue forms protective layers (skin) and linings (mucous membranes).

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  17. Q17.A 'Total Hip Arthroplasty' involves replacing which two components?

    A.Femoral head and acetabulum
    B.Tibia and Fibula
    C.Radius and Ulna
    D.Knee cap and femur
    AFemoral head and acetabulum

    Explanation: A total hip involves replacing the ball (femoral head) and the socket (acetabulum) of the hip joint.

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  18. Q18.The prefix 'Para-' typically means:

    A.Before
    B.Beside or near
    C.Inside
    D.After
    BBeside or near

    Explanation: Para- means beside, near, or abnormal (e.g., Paramedic, Parathyroid).

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  19. Q19.Which organ secretes insulin and digestive enzymes?

    A.Gallbladder
    B.Spleen
    C.Pancreas
    D.Appendix
    CPancreas

    Explanation: The pancreas has both endocrine (insulin) and exocrine (digestive enzyme) functions.

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  20. Q20.An 'ORIF' procedure stands for:

    A.Open Reduction Internal Fixation
    B.Oral Reconstruction Internal Face
    C.Outer Rotation Inner Flexion
    D.Open Repair Intra-Femoral
    AOpen Reduction Internal Fixation

    Explanation: ORIF is a common orthopedic surgery to fix broken bones using plates and screws (Internal Fixation) after opening the site (Open Reduction).

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  21. Q21.The 'Alimentary Canal' refers to the:

    A.Spinal canal
    B.Digestive tract (mouth to anus)
    C.Birth canal
    D.Ear canal
    BDigestive tract (mouth to anus)

    Explanation: Alimentary refers to nutrition/digestion. It is the pathway food travels.

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  22. Q22.The root word 'Hyster' relates to the:

    A.Liver
    B.Uterus
    C.Blood
    D.Brain
    BUterus

    Explanation: Hyster- means uterus (e.g., Hysteroscopy, Hysterectomy).

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  23. Q23.Which surgery would require a 'Myringotomy' knife?

    A.Heart surgery
    B.Ear surgery (eardrum incision)
    C.Foot surgery
    D.Stomach surgery
    BEar surgery (eardrum incision)

    Explanation: Myringo- refers to the tympanic membrane (eardrum). A myringotomy is an incision to relieve pressure/drain fluid.

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  24. Q24.Pathogens are:

    A.White blood cells
    B.Disease-causing microorganisms
    C.Surgical instruments
    D.Sterile barriers
    BDisease-causing microorganisms

    Explanation: Patho- (disease) + -gen (producer). Pathogens are germs that cause disease.

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  25. Q25.The 'Femur' is located in the:

    A.Upper arm
    B.Thigh
    C.Lower leg
    D.Forearm
    BThigh

    Explanation: The femur is the thigh bone, the longest and strongest bone in the body.

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