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BIO Anatomy and Physiology Lab > Lab 49 > Flashcards

Lab 49 Flashcards

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Biology 101 flashcards
1
Q

Lymph finally flows into lymphatic _______ just before connecting to a blood vessel.

A

collecting ducts

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2
Q

The right lymphatic duct drains only the ______ quadrant of the entire body.

A

Right upper

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3
Q

Which of the following areas would contain the fewest lymph nodes?

A

Plantar

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4
Q

A __________ is the largest lymphatic organ.

A

Spleen

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5
Q

The thoracic duct drains into the

A

Left internal jugular vein

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6
Q

T/F

Lymph flows faster during periods of exercise

A

True

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7
Q

T/F

The thymus continues to enlarge as a person ages.

A

T

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8
Q

T/F

Lymphatic capillaries and blood capillaries are open at both ends.

A

False

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9
Q

closely associated with the cardiovascular system & includes a network of vessels that assist in the circulation of body fluids

A

Lymphamatic system

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10
Q

fluid in the lymphatic vessels

A

Lymph

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11
Q

fluid accumulating in tissue spaces

A

Edema

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12
Q

microscopic, blind-ended vessels in which excess interstitial fluid first enters the lymphatic system

A

Lymphatic capillaries

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13
Q

How do capillaries drain

A

lymphatic collecting vessels–>larger lymphatic trunks–>collecting ducts–>subclavian veins

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14
Q

provides drainage for the entire body except for the right upper quadrant

A

Thoracic duct

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15
Q

thoracic duct connects to

A

the left subclavian duct

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16
Q

right lymphatic duct drains

A

only the right upper quadrant into the R subclavian vein

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17
Q

lymph nodes are majorly in 2 regions, they are

A

Axillary inguinal

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18
Q

lymph nodes contain

A

concentrations of lymphocytes & macrophagesthat cleanse the lymph & activate an immune response

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19
Q

major production site of white blood cells

A

Red bone marrow

20
Q

location of T lymphocyte maturation

A

Thymus

21
Q

largest lymphatic organ

contains large numbers of red blood cells, lymphocytes, & macrophages

A

Spleen

22
Q

collect lymph from microscopic lymphatic capillaries

A

Lymphatic collecting vessels

23
Q

bean shaped organs that cleanse lymph & activate immue response

A

Lymph nodes

24
Q

collect lymph from lymphatic collecting vessels

A

Lymphatic trunk

25
Q

inferior expanded sax of thoracic duct where fatty intestinal lymph collects

A

cisterna chyli

26
Q

receive lymph from collecting ducts

A

Subclavian veins

27
Q

Lymphatic pathways begin as Lymphatic ___ that merge to form lymphatic collecting vessels

A

Capillaries

28
Q

Lymph drainage from collecting ducts enters the ___ veins.

A

Subclavial

29
Q

Once tissue (interstitial) fluid is inside the lymph capillary, the fluid is called

A

Lymph

30
Q

Lymphatic vessels contain ___ that help prevent back flow of lymph

A

Valves

31
Q

lymphatic vessels usually lead to lymph ___ that filter the fluid being transported

A

Nodes

32
Q

The ____ is larger & longer of the 2 lymphatic collecting ducts

A

Thoracic lymphatic duct

33
Q

Lymph nodes contain large numbers of white blood cells called ____ & macrophages that fight invading organisms

A

Lymphocytes

34
Q

The indented region where blood vessels and nerves join a lymph node is called the ____

A

Hilum

35
Q

Lymph ___ that contain germinal centers are the structured units of a lymph node

A

Nodules

36
Q

The spaces within a lymph node are called lymph ___ through which lymph circulates

A

Sinuses

37
Q

Lymph enters a node through a(n) ___ lymphatic vessel

A

Afferent

38
Q

The lymph nodes associated with the lymphatic vessels that drain the lower limbs are located in the ___ region

A

Inguinal region

39
Q

The thymus is located in the ___, anterior to the aortic arch.

A

Mediastinum

40
Q

The ___ is very large in a child & will atrophy in advanced age.

A

Thymus

41
Q

The _____ is the largest of the lymphatic organs.

A

Spleen

42
Q

A ______ of connective tissue surrounds the spleen

A

Capsule

43
Q

The tiny islands (nodules) of tissue within the spleen that contain many lymphocytes comprise the _____ pulp.

A

White

44
Q

The ____ pulp of the spleen contains large numbers of RBC’s, lymphocytes, and macrophages.

A

Red

45
Q

________ within the spleen engulf and destroy foreign particles and cellular debris.

A

Macrophages

46
Q

The lymphoid organs in the pharynx (throat) that often are infection sites in children are collectively called ______.

A

Tonsils

BIO Anatomy and Physiology Lab (49 decks)

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