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Exam (elaborations)

National Board Exam - Science | Questions & Answers, Practice Test, Study Guide & Revision Notes | Latest 2026 PDF

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Prepare for the National Board Science Exam with this focused study resource featuring exam-style questions, answers, and key science review material. Ideal for efficient revision, practice testing, strengthening subject knowledge, and building exam readiness for the 2026/2027 academic year.

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National Board Exam - Science

Embalming process of chemically treating the dead human body to reduce the presence and
growth of microorganisms, to temporarily inhibit organic decomposition, and to
restore an acceptable physical appearance


Antemortem Those changes occurring in the interval prior to somatic death are:




Scalpel A two piece embalming instrument consisting of a handle and a blade used to make
incisions and excisions.



Single Point Injection (One Point Injection) Procedure whereby the embalmer injects and drains from one site




Preservatives Chemicals which inactivate saprophytic bacteria, render unsuitable for nutrition the
media upon which such bacteria thrive, and which will arrest decomposition by
altering enzymes and lysins of the body as well as converting the decomposable
tissue into a form much less susceptible to decomposition are called:


Postmortem Stain extravascular color change that occurs when heme, released by hemolysis of red
blood cells, seeps through the vessel walls and into the body tissues



Hypovalve Trocar What embalming instrument is used to inject arterial fluid into the thoracic walls of
an autopsied body?



Distribution The movement of embalming solutions from the point of injection throughout the
arterial system and into the capillaries is called:



Alternate This embalming method consists of injecting a few ounces of arterial chemical,
stopping injection, then draining for a few minutes, and then repeating the process:



Hardening Compound what type of embalming chemical might the embalmer use as a drying and
disinfectant agent when preparing the cavities of autopsied remains



Postmortem This term refers to the after-death examination of the organs and tissues of a
human remains to determine cause of death or pathological conditions



2 ppm/15 minutes The Formaldehyde Standard for short-term exposure to formaldehyde is:




Jaundice Fluids Low index fluids used to inhibit bilirubin from turning to biliverdin are known as:




Humectants Chemicals that create an increased capability for embalmed tissues to retain their
moisture are called:



Primary Dilution What is created when the embalmer combines embalming fluid with water in the
injection device?

, National Board Exam - Science

Hand Pump A method of obtaining pressure for the injection of arterial fluid is




Hydroaspirator Which of the following is NOT a method of obtaining pressure for injections of
arterial fluid?



An arterial tube An instrument which is inserted into the artery for the introduction of fluid is




A groove director An instrument which may be used to guide an arterial or vein tube into a vessel is
the



the proper embalming technique and chemicals to use The purpose of the embalming analysis is to determine:




Chin Rest A device which extends from some point over the sternum to a point under the chin
and is used to support the chin during the embalming is called a



intrinsic or extrinsic Variable factors encountered with every dead body are classified as




lower 1/3 of the orbit In the normal eye closure, the eyelids should meet in the




Sternoclavicular articulation The right common carotid artery begins at the level of the




The superior border of the thyroid cartilage The common carotid arteries terminate at the level of the




center of the axillary space parallel to the long axis of the the linear guide for the axillary artery is from the
upper extremity



center of the base of the axillary space to the center of the The linear guide for the brachial artery is from the
inner bend of the elbow



center of the antecubital fossa to the center of the base of The linear guide for the radial artery is from the
the index finger



center of the inguinal ligament to the center of the medial The linear guide for the femoral artery is from the
condyle of the femur



center of the popliteal space parallel to the long axis of the The linear guide for the popliteal artery is from the
lower extremity

, National Board Exam - Science

ulnar artery On the surface of the forearm from the center of the antecubital fossa to a point
between the forth and fifth fingers is the linear guide for the



posterior tibial artery From the center of the popliteal space to a point midway between the medial
malleolus and the calcaneus bone is the linear guide for the



dorsalis pedis artery From the center of the anterior surface of the ankle joint to a point between the first
and second toe is the linear guide for the



anterior tibial artery From the lateral border of the patella to the anterior surface of the ankle joint is the
linear guide for the



common carotid artery the anatomical guide of for the _____________ is along the medial border of the
SCM muscle



brachial artery The anatomical guide for __________ is posterior to the medial border of the belly
of the biceps brachii muscle



femoral artery Through the center of the femoral triangle bordered laterally by the sartorius muscle
and medially by the adductor longus muscle, is the anatomical guide for the
_______


axillary artery Just behind the medial border of the coracobrachialis muscle is the anatomical
guide for _________



radial artery the anatomical guide for the _________ is just lateral to the tendon of the flexor
carpi radialis muscle



subclavian artery the _________ is shorter than the left one due to its origin




external iliac artery the _______ changes its name to femoral and is used in the embalming of an
autopsied body



descending aorta The inferior vena cava is the vein which accompanies the




Sartorius in the femoral triangle the femoral artery is bordered laterally by the __________
muscle



adductor longus The femoral artery is bordered medially by the _______ muscle




adductor magnus The femoral artery originates at a point behind the center of the inguinal ligament
and terminates at the opening of the ___ muscle.

, National Board Exam - Science

Popliteal artery the _______ which originates at the opening in the adductor magnus muscle,
terminates at the inferior border of the popliteal muscle



anterior tibial the _______ courses along the lateral margin of the crest of the tibia, passes
through the center of the anterior surface of the ankle joint and becomes the
dorsalis pedis artery


Anasarca Distention of the body tissues is a complication of




1/2 when using the gravity method of obtaining pressure for injecting arterial fluid, the
embalmer can expect to receive approximately _____ pound(s) of pressure per foot
of elevation above the point of injection


set before opening the rate of flow When injecting a body with any mechanical injector, the desired pressure should be




Diffusion The passage of arterial solution from the capillaries into the intercellular space is
referred to as



osmosis passage of a solvent through a semipermeable membrane from an area of lesser
concentration to an area of greater concentration until equilibrium is established



Pressure Filtration The passing of arterial solution through the capillary wall, caused by positive
intravascular pressure is



Femoral artery Which of the following blood vessels is in the origin of the popliteal artery?




Atmospheric conditions Which of the following is NOT an intrinsic factor to be considered in case analysis




Index the amount of HCHO (formaldehyde) measured in grams dissolved in 100 ml of
water refers to



Preservatives Chemicals which inactivate saprophytic bacteria, render unsuitable for nutrition the
media upon which such bacteria thrive, and which will arrest decomposition by
altering enzymes and lysins of the body as well as converting the decomposable
tissue into a form much less susceptible to decomposition are called:


anticoagulant chemicals which retard the increase viscosity of the blood are




surfactant the component of arterial fluid which is designed to decrease the molecular
cohesion at the surface of a liquid



100 ppm There is an immediate danger to health and life if exposed to formaldehyde levels
above

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