Chapter 6 (Lymphatic system)

Question 1

Lymphatic system is made up of

Answer 1

organs, tissues (nodes), thin-walled vessels and fluids that are found through the entire body.

Question 2

What is a chief function of the lymphatic system?

Answer 2

capture fluid (called lymph) that escapes from cells and tissues and return it to the bloodstream. maintains a balance of fluids in the body.

Question 3

associated lymphoid organs also have an immune function

Answer 3

Producing lymphocytes and other white blood cells to fight infection.

Question 4

Lymphoid organs (4)

Answer 4

adenoids, tonsils, spleen, thymus (in some cases appendix)

Question 5

lymph nodes

Answer 5

filter lymphatic fluid, removing bacteria and foreign cells as well as making lymphocytes and other infection-fighting cells.

Question 6

What would enlargement or tenderness of lymph nodes be?

Answer 6

infection

Question 7

what does a mastectomy often include removal of?

Answer 7

lymphatic tissue from the armpit area

Question 8

What does the nervous system consist of ?

Answer 8

Brain, spinal chord, nerve tissue

Subdivided into central and peripheral nervous systems

Question 9

What transmits impulses that govern sensation, movement and thought. as well as controls the boys voluntary and involuntary activity?

Answer 9

Nervous system

Question 10

Brain

Answer 10

coordinates body functions

Question 11

spinal chord

Answer 11

transmits messages to and from the brain

Question 12

nerves

Answer 12

transmits messages to and from central nervous system

Question 13

What is the central nervous system (CNS) consisted of?

Answer 13

Brain and spinal chord

Question 14

from what point to what point does the spinal cord go?

Answer 14

from the brain to the lumbar vertebrae

Question 15

What is the reticular activating system?

Answer 15

key series of nerve pathways in the brain and is essentially responsible in keeping a person awake.

Question 16

Peripheral nervous system (PNS)

Answer 16

consists of two types of nerves: sensory and motor

Question 17

sensory nerves

Answer 17

pick up info from throughout the body and transmit it to the spinal cord and brain.

Question 18

Motor nerves

Answer 18

carry messages from the brain to the body.

Question 19

Autonomic nervous system

Answer 19

peripheral nervous system that controls involuntary motor function and affects digestion and heart rate. can be broken down into sympathetic and parasympathetic nervous systems

Question 20

Sympathetic nervous system

Answer 20

fight or flight. engaged when the body is in crisis. causes heart to beat faster and lungs to breathe deeper and blood vessels to constrict.

Question 21

Parasympathetic nervous system

Answer 21

engaged in times of relaxation, referred to as the feed or breed response.

Question 22

parasympathetic tone

Answer 22

causes increased blood flow to the digestive tract and reproductive organs. can cause heart to slow and blood vessels to dilate.

Question 23

when is sympathetic nervous system usually activated?

Answer 23

as a result of injury or illness

Question 24

when blood vessels constrict it brings blood away from the

Answer 24

skin

Question 25

being pale and sweaty is a result of

Answer 25

diaphoretic as a result of constricted blood vessels