exam 3

Question 1

the pressure that blood exerts upon the walls the walls of blood vessels

Answer 1

blood pressure - to measure blood pressure, its systolic over diastolic

Question 2

when heart contracts to send blood throughout the body

Answer 2

systolic (top value; s-squeeze)

Question 3

heart is at rest, allows chambers to fill with blood

Answer 3

diastolic (bottom value; d-dead rest)

Question 4

cardiac output

Answer 4

CO (mL/min) = heart rate (b/min) x stroke volume (mL/b)

Question 5

average stroke volume

Answer 5

75 mL/b

Question 6

normal blood pressure

Answer 6

<120/<80

Question 7

prehypertension

Answer 7

120-129/ < 80

Question 8

hypertension 1

Answer 8

130-139/ 80-89

Question 9

hypertension 2

Answer 9

> 140/ >90

Question 10

hypertensive

Answer 10

> 180/>120

Question 11

sa node sends electrical signal across both atria

Answer 11

p

Question 12

signal reaches av node

Answer 12

p-q

Question 13

signal travels down bundle of HIS; ORS Complex ( atrias get ready to contract - depolarize and repolarize )

Answer 13

ORS

Question 14

signal splits down left and right branches of HIS; ventricles get ready to contract

Answer 14

s-t

Question 15

signal spreads through purkinje fibers; ventricles relax and prepare for next cycle

Answer 15

t

Question 16

what is this?

Answer 16

initial exposure to antigen A

Question 17

what is this?

Answer 17

primary immune response

Question 18

what is this?

Answer 18

secondary exposure to antigen A

Question 19

what is this?

Answer 19

secondary immune response

Question 20

which one is the unhealthy artery?

Answer 20

on the right - clogged artery

Question 21

vital capacity (VC) - inspiratory reserve volume (IRC) + tidal volume (TV) =

Answer 21

ERV

Question 22

Vital Capacity (VC) + Residual Volume (RV)

Answer 22

TLC

Question 23

acts as a physical barrier between the external environment & the internal environment of the human body. It is salty & has hairs to catch/stop foreign materials & pathogens.

Answer 23

skin

Question 24

compartments/layers that protect ocular, nasopharyngeal, respiratory, oral, gastrointestinal, and genitourinary mucosae. It provides defense against toxic agents that enter the body through the mucosal membrane. It comprises of epithelium covered by mucus.

Answer 24

mucus membranes

Question 25

controls the level of white blood cells, red blood cells (RBCs) & platelets (small cells that form blood clots). It screens the blood & removes any old or damaged RBCs.

Answer 25

spleen

Question 26

is responsible for producing & maturing lymphocytes, or immune cells. These include T-cells, a type of WBC that defends the body from infections.

Answer 26

thymus

Question 27

is the spongy tissue inside bones that produces RBCs, platelets & WBCs. Lymphocytes, a type of white blood cell, are produced in the bone marrow & play an important part in the body’s immune system.

Answer 27

bone marrow

Question 28

like lymph nodes they help filter out germs that enter through your nose or mouth to protect the rest of the body from infection.

Answer 28

tonsils

Question 29

bacterial or viral infection, irritation to the eye

Answer 29

conjunctivitis (pink eye)

Question 30

african eye worm, parasitic worm that gets passed on through humans through repeated deer fly bites

Answer 30

loiasis

Question 31

river blindness, parasitic tropical disease caused by repeated bites from infected black flies

Answer 31

onchocerciasis

Question 32

bacterial disease (chlamydia), causes blindness and vision loss which is irreversible

Answer 32

trachoma

Question 33

trauma to the eye, causes the eye to disinsert the iris from the scleral spur

Answer 33

Traumatic Iridodialysis