This practice exam is for individuals seeking certification as a Certified Lymphedema Therapist by the Lymphology Association of North America (LANA). It covers lymphedema anatomy, treatment techniques, manual lymph drainage, compression therapy, and patient education. Candidates are tested on thei...
1. Which of the following anatomical structures is the largest bone in the human
body?
o a) Femur
o b) Tibia
o c) Humerus
o d) Radius
Answer: a) Femur Explanation: The femur, or thigh bone, is the longest, heaviest,
and strongest bone in the human body.
2. The heart is located in which cavity of the human body?
o a) Cranial
o b) Thoracic
o c) Abdominal
o d) Pelvic
Answer: b) Thoracic Explanation: The heart is located in the thoracic cavity, which
also contains the lungs and other structures.
3. Which anatomical plane divides the body into superior and inferior parts?
o a) Sagittal
o b) Coronal
o c) Transverse
o d) Oblique
Answer: c) Transverse Explanation: The transverse plane divides the body into
superior (upper) and inferior (lower) parts.
Section 2: Venous and Arterial Circulatory Systems
4. What is the main function of the arterial system?
o a) To remove waste products from tissues
o b) To carry oxygenated blood away from the heart
o c) To filter blood
o d) To transport lymph
Answer: b) To carry oxygenated blood away from the heart Explanation: The
arterial system's primary function is to carry oxygen-rich blood from the heart to the
rest of the body.
5. Which vein is the longest in the human body?
o a) Superior vena cava
o b) Inferior vena cava
o c) Great saphenous vein
o d) Basilic vein
Answer: c) Great saphenous vein Explanation: The great saphenous vein runs along
the length of the leg from the ankle to the groin and is the longest vein in the body.
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, CLT-LANA Certification Exam
6. What structure prevents backflow of blood in veins?
o a) Valves
o b) Capillaries
o c) Arteries
o d) Veinules
Answer: a) Valves Explanation: Valves in the veins prevent the backflow of blood,
ensuring unidirectional flow towards the heart.
Section 3: Lymphatic System
7. What is the primary function of the lymphatic system?
o a) Oxygen transport
o b) Hormone distribution
o c) Immune defense
o d) Waste excretion
Answer: c) Immune defense Explanation: The lymphatic system plays a crucial role
in the body's immune defense by transporting lymph, which contains white blood
cells that help fight infection.
8. Which of the following are the smallest lymphatic vessels?
o a) Lymph nodes
o b) Lymphatic trunks
o c) Lymphatic capillaries
o d) Lymphatic ducts
Answer: c) Lymphatic capillaries Explanation: Lymphatic capillaries are the
smallest lymphatic vessels that collect interstitial fluid and begin the transport of
lymph.
9. Where do the lymphatic ducts empty their contents?
o a) Into the arterial system
o b) Into the venous system
o c) Into the lymph nodes
o d) Into the interstitium
Answer: b) Into the venous system Explanation: The lymphatic ducts empty lymph
into the venous system, specifically at the junction of the subclavian and internal
jugular veins.
Section 4: Embryology
10. Which embryonic layer forms the lymphatic system?
o a) Ectoderm
o b) Mesoderm
o c) Endoderm
o d) Neural crest
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, CLT-LANA Certification Exam
Answer: b) Mesoderm Explanation: The lymphatic system, along with the
cardiovascular system, muscles, and bones, is derived from the mesoderm.
11. During which week of embryonic development does lymphangiogenesis begin?
o a) 2nd week
o b) 4th week
o c) 6th week
o d) 8th week
Answer: c) 6th week Explanation: Lymphangiogenesis, the formation of lymphatic
vessels from pre-existing lymphatic vessels, begins around the 6th week of embryonic
development.
12. The lymphatic system primarily develops from which structure in the embryo?
o a) Somites
o b) Lymph sacs
o c) Pharyngeal arches
o d) Notochord
Answer: b) Lymph sacs Explanation: The lymphatic system develops from lymph
sacs that arise from the venous system during embryonic development.
Section 5: Lymphangiogenesis
13. What is the process of lymphangiogenesis?
o a) Formation of blood vessels
o b) Formation of lymphatic vessels
o c) Formation of neural tissue
o d) Formation of bone tissue
Answer: b) Formation of lymphatic vessels Explanation: Lymphangiogenesis is the
process of the formation of new lymphatic vessels from pre-existing ones.
14. Which growth factor is most associated with lymphangiogenesis?
o a) VEGF-A
o b) VEGF-B
o c) VEGF-C
o d) VEGF-D
Answer: c) VEGF-C Explanation: Vascular endothelial growth factor-C (VEGF-C)
is a key regulator of lymphangiogenesis.
15. Lymphangiogenesis plays a significant role in which of the following conditions?
o a) Osteoporosis
o b) Lymphedema
o c) Diabetes
o d) Alzheimer's disease
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, CLT-LANA Certification Exam
Answer: b) Lymphedema Explanation: Lymphangiogenesis is crucial in the
pathology and potential treatment of lymphedema, a condition characterized by
impaired lymphatic drainage.
Section 6: Prelymphatic Channels
16. What are prelymphatic channels?
o a) Channels that transport blood
o b) Channels that transport lymph directly
o c) Interstitial pathways that guide interstitial fluid towards lymphatic
capillaries
o d) Arteries that supply lymph nodes
Answer: c) Interstitial pathways that guide interstitial fluid towards lymphatic
capillaries Explanation: Prelymphatic channels are pathways within the interstitial
spaces that guide interstitial fluid towards the lymphatic capillaries for drainage.
17. Where are prelymphatic channels primarily found?
o a) In the bones
o b) In the muscles
o c) In the interstitial tissues
o d) In the epidermis
Answer: c) In the interstitial tissues Explanation: Prelymphatic channels are found
in the interstitial tissues where they help direct interstitial fluid to lymphatic
capillaries.
18. Prelymphatic channels are essential for which physiological process?
o a) Blood clotting
o b) Oxygen transport
o c) Fluid balance
o d) Hormone secretion
Answer: c) Fluid balance Explanation: Prelymphatic channels are essential for
maintaining fluid balance by facilitating the movement of interstitial fluid into the
lymphatic system.
Section 7: Lymphatic Vessels
19. Which of the following is the correct order of lymphatic vessels from smallest to
largest?
o a) Lymphatic trunks, lymphatic capillaries, lymphatic ducts, lymphatic vessels
o b) Lymphatic capillaries, lymphatic vessels, lymphatic trunks, lymphatic ducts
o c) Lymphatic ducts, lymphatic trunks, lymphatic vessels, lymphatic capillaries
o d) Lymphatic vessels, lymphatic capillaries, lymphatic ducts, lymphatic trunks
Answer: b) Lymphatic capillaries, lymphatic vessels, lymphatic trunks, lymphatic
ducts Explanation: Lymphatic vessels are organized in a hierarchy from smallest to
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