test questions

Question 1

lymphatic vessels have similar structure to blood vessels

Answer 1

true

Question 2

t-lymphocytes mature in the thymus

Answer 2

true

Question 3

lymphatic tissues are aggregations of lymphocytes in tissues and mucous membranes of organs

Answer 3

true

Question 4

lymph nodes are divided into cortex and medulla

Answer 4

true

Question 5

infectious organisms, toxic chemicals and radiation are pathogenic agents capable of inducing disease

Answer 5

true

Question 6

cellular immunity is where the t-lymphocytes attack the target directly and create a memory

Answer 6

true

Question 7

which of the following are cytotoxic t-cells

Answer 7

t8,cd8, cd8+

Question 8

what are the three R’s of immunity

Answer 8

recognize, react, remember

Question 9

func/struc of tunica layers

Answer 9

provide struc/rigidity to blood bessels

Question 10

describe major blood vessels

Answer 10

arteries call resistance vessels

expand during systole, recoil during diastole

Question 11

describe medium sized arteries

Answer 11

provide blood to major organs

3/4 smooth muscle

Question 12

describe small arterioles

Answer 12

control blood flow to major organ/tissues
have thicker t.m.
thin t.e

Question 13

there are sensory structures in the arteries that regulate heart rate, vasomotion and respiration

Answer 13

true

Question 14

capillaries is where nearly all fluids, nutrients and wastes are exchanges between tissues and blood

Answer 14

true

Question 15

sphygmomanometer measure blood pressure

Answer 15

true

Question 16

blood pressure is defined as the pressure exerted by the vessel wall

Answer 16

true

Question 17

describe blood pressure measurements

Answer 17

systolic is the peak pressure taken after ventricular contraction
diastolic is the peak pressure taken after ventricular contraction

Question 18

pulse pressure defined as net difference max ventricle contraction pressure and minimum ventricular relaxation pressure

Answer 18

true

Question 19

pulse pressure is important measure of stress exerted on small blood vessels by the heart

Answer 19

true

Question 20

peripheral resistance is described as the opposition to blood flow near the heart

Answer 20

true

Question 21

blood flow increases from capillaries to venules

Answer 21

true

Question 22

describe neural control of blood vessels

Answer 22

baroreflex, chemoreflex, ischemic refles signaling

Question 23

vasomotion is important for rerouting blood flow depending on organ need

Answer 23

true

Question 24

capillaries are the least important structures in the vascular system

Answer 24

false

Question 25

capillary diffusion is the least important form of capillary exchange

Answer 25

false

Question 26

the thoracic cavity uses positive pressure of inhalation to propel blood through veins

Answer 26

true

Question 27

cardiac suction of atrial space will not propel blood into the heart

Answer 27

false

Question 28

brain regulates its own blood flow by regulating both blood pressure and pH

Answer 28

true

Question 29

skeletal muscle blood blow at rest is about 1L /minute

Answer 29

true