Search for notes by fellow students, in your own course and all over the country.

Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.

My Basket

You have nothing in your shopping cart yet.

Title: https://youtu.be/BXXxtEW5v3o
Description: https://youtu.be/BXXxtEW5v3o

Document Preview

Extracts from the notes are below, to see the PDF you'll receive please use the links above


BIO 251 Exam 1 Cheat Sheet
by katwalker11 via cheatography
...
com/katwalker11/

Published 18th February, 2022
...
com

Last updated 18th February, 2022
...
Finish

Page 1 of 6
...
com

BIO 251 Exam 1 Cheat Sheet
by katwalker11 via cheatography
...

Decrease glucose uptake

Mode of commun​ication (endohormones nerv- electrial signals)

Result

Return to homeos​tatic blood

Speed of response (endo- slow nerv-

glucose levels and growth and

fast)

repair of the body

Duration of change​/re​sponse (endolongish term nerv- gone fast)

Endocrine Pathology
Hypert​‐

High thyroid activity - weight

hyr​‐

loss, etc
...
control, weight

yro​idsim

gain, hair loss, lethargy, etc
...
com/katwalker11/

Published 18th February, 2022
...
com

Last updated 18th February, 2022
...
Finish

Page 2 of 6
...
com

BIO 251 Exam 1 Cheat Sheet
by katwalker11 via cheatography
...
& Accessory

Effectors

Stimulus

Vessels

Osteoc​lasts, kidneys,
intestines

Responses

concen​tra​tions

Osteoc​lasts degrade bone

Sensor​/In​

Chemo and temp receptors,

matrix which releases calcium

teg​rator

Hypoth​alamus

into blood, kidney (reabsorb

Hormone

Hypoth​alamus releases TRH

Ca) targets liver which
releases Vit
...
Vit D to
intestines absorb more
calcium
Result

Decrease in T3 and T4

Calcium blood return to
normal range

Calcium Feedback Loop (Low)

Released
Target

Anterior pituitary

Hormone

TSH
Thyroid gland (folli​cular cells)

Hormone

Thyroid gland released T3 and

released

T4

Stimulus

Decreased blood Ca2+

Effector

Body tissues

Sensor​/In​‐

Parath​yroid glands

Response

Increased metabolic activity

Result

Return to homeos​tatic body

teg​rator
Hormone

temper​ature, increase in

PTH

Effectors

Osteoc​lasts, kidneys,
intestines

Responses

Osteoc​lasts degrade bone
matrix which releases calcium
into blood, kidney (reabsorb
Ca) targets liver which
releases Vit
...
Vit D to

Result

Structures that

Monitor

house and allow

lymph fluid

for storage of an

for

maturation of

pathogens

lympho​cytes
Thymus

where T cells mature

Spleen

Were we send red blood cells to
be recycled , storage of WBC

Lacteals

in the intestine microvilli fat
absorption

MALT

nodules to monitor incoming
solutes for pathogens, in

Vessels, nodes, and

Lymph Drainage

charac​ter​istics

accessory organs filled

Right

right lymphatic vessels of the

of the

with water like fluid

lymphatic

right facde, right neck, right

duct

arm, right axillary and cervical

lymphatic
system?

lymph nodes
To return free fluid in the

purpose of the

body back to the blood,

lymphatic

houses and matures the

system?

WBC

cheatography
...


Sponsored by ApolloPad
...


Everyone has a novel in them
...


Yours!
https://apollopad
...
com/132666/cs/28035/

Lymph Drainage (cont)

Blood recipient prob and erythr​obl​astosis
fetalis (cont)

Left

All remaining lymph vessels

lymphatic

and nodes of the upper body

Mother is Rh- and has been exposed to

duct aka

and the total lower body
...
in immune
response

Lack of platelet production = no clot =
thromb​ocy​topenia

House and mature many white blood cells,
we transport WBC from tissues back into
circul​ation, nodes monitor cells and
pathogens that travel through
Erythr​ocyte recycling

Anemia

low O2 to tissues

Hemorr​‐

caused by blood loss

hagic
anemia
Hemolytic

excessive RBC destru​ction

anemia

with low hemato​poiesis

Aplastic

bone marrow is not functi​oning

anemia

enough (during and after

Hemophilia - genetic disorder that stops/​‐
lacks conversion of clotting factors
Thrombus and Embolus
Thrombus

Clot forming where it does not
belong, usually in an artery

Break down old RBC with the spleen and

with choles​terol crystal

liver, dispose of bilirubin as bile, reuse iron
to make new RBC

Anemia and Polycy​themia

deposits
Embolus

Thrombus dislodging from the

chemo)
Iron

not enough iron to make

deficient

hemoglobin

Sickle

inherited Hb mutation

Cell
anemia
Polycy​‐

high RBC - blood is too viscou​‐

themia

s/thick dec
...
e
...
Prothr​ombin activator

ation

released by damage

Agglut​ination with the wrong type blood -

2
...
Thrombin converts fibrinogen
into fibrin (insoluble - not dissol​‐
vable)
By katwalker11

cheatography
...


Sponsored by ApolloPad
...


Everyone has a novel in them
...


Yours!
https://apollopad
...
com/132666/cs/28035/

RBC Count

Hemato​poesis

Hb binding affinity for O2 and CO2 (cont)

Tired/​let​hargy, dizzin​ess​/light

Making of

Myeloid stem cells (makes

Body

pH -

Temp - lots

Partial

headed​ness, increased heart

blood

RBC, platelets, basophils,

tissues

low pH

of

Pressure

rate, headaches, shortness of

cells -

eosino​phils, neutro​phils,

-> dec
...
Lymphoid stem

O2

inc
...
O2 carrying

iation of

cells (lymph​ocytes)

affinity

dec
...
O2

RBC but

capacity, decreases fatigue,

stem cells

and

affinity and

affinity

not too

inc
...


inc
...
O2

affinity

and

affinity and

Spongy bone - red bone

and

binding

binding

marrow

binding

Erythr​opo​ietin

released

Response

Make RBC

Result

Inc
...
com/katwalker11/

Published 18th February, 2022
...
com

Last updated 18th February, 2022
...
Finish

Page 5 of 6
...
com

BIO 251 Exam 1 Cheat Sheet
by katwalker11 via cheatography
...
)

T

memory cells that target the cells or

cells

other pathogens that are foreign
directly

NK

cancer killers, destroy abnormal

cells

cells

Leukocytes
Neutro​‐

innate immunity, bacterial

phils

infection

Lympho​‐

adaptive immunity

cytes
Monocytes

innate immunity, but will follow
b cell orders or antibody flags,
macrop​hage, usually stay in
peripheral tissues

Eosino​‐

innate immunity, parasites

phils
Basophils

damage identi​fying cells,
increase inflam​mation and
blood flow to damaged but not
bleeding areas
By katwalker11

cheatography
...


Sponsored by ApolloPad
...


Everyone has a novel in them
...


Yours!
https://apollopad
Title: https://youtu.be/BXXxtEW5v3o
Description: https://youtu.be/BXXxtEW5v3o