1does an erythrocyte have a nucleus
no
2what is the nucleus count on a leukyocyte.
multinucleate
3what is the point of a leukycyte
to transport gases
4what is the point of an atrium
to recieve blood from outside of the heart
5what is the purpose of a ventricle
to pump blood
6where are atrium located in the heart
on the top
7where are ventricles located in the heart
on the bottom
8what is the neumonic to remeber the valves
toilet paper my ass
9when tracing a drop of blood what is the first valve
tricupsid valve
10when tracing a drop of blood what is the second valve
pulmonary valve
11when tracing a drop of blood what is the third valve
mitral (bicuspid) valve
12what kind of blood does the left side of the heart receive
oxygenated blood from the lungs
13what kind of blood does the right side of the heart receieve
deoxygenated blood from the body
14what us the last firing unit of the intrinsic conduction
purkunje fibers
15what is the first firing part of the intrinsic conduction
sinoatrial node. also known as the pacemaker
16what is the second firing portion of the intrinsic conduction
the atrioventricular nodes
17what is the third firing portion of the intrinsic conduction
the av bundles
18what do arteries do
carry blood away fromm the heart
19what do veins d
carry blood towards the heart
20what is the most inner layer of the blood vessel
the tunica intima
21what is the middle portion of the blood vessel
the tunica media
22what is the tunica media made out of
collagen, smooth muscle, and elastic tissue
23what is the outermost part of the blood vessel
the tunica externa
24what is the tunica interna made of
single layer of endothelial cells
25what kind od blood vessel layer do capillaries have
tunica intima. or interna
26what are the three external veins
the median cubital, cephalic, and basilic
27what is the most commonly used vein for drawing blood.
the median cubital
28what is the sensory level of the reflex arc used for
detecting changes in the environment. temp pain etc
29what is the integrated level in charge of in the reflex arc
decision making. whether you should take your hand off the hot stove or not
30what is the motor level in charge of in the reflex arc
evoking a repsonse. the actual movement of pulling your hand off a hot stove
31what does the central nervous system contain
the brain and the spinal cord
32what is efferent
transmits information out of the central nervous system
33what is afferent
transmits information into the central nervous system
34what are the sub divisions of the pns
autonomic and somatic nervous system
35what is the autonomic motor system
controls glands, cardiac, and smooth muscle. this is involuntary meaning you do not control it
36what is the somatic nervous system
controls the skeletal system. you can use this at your command
37what are the two subdivisions of the autonomic nevous system
sympathetic and parasympathetic
38what is the sympathetic nervous system
the flight ofr flight reaaction. normally involves raising your heartrate
39what is the parasympathetic nervous system
this noramally involves slowing down your heartrate dor sleep and digestion
40what is the point of receptors
to detect a stimulus and create an impulse
41what is the point of sensory neurons
conduct nerve imoulses towards the central nervous system. and carry a message from the receptor
42what are the point of interneurons
these connect sensory neruons to motor neurons
43what is the point of motor neurons
conduct nerve impulses from the cns to an effector
44what is a point of the effector
to repsond to the impulses from the cns by contracting. or if its a gland secreting enzymes or hormones
45what is the point of the two point discrimination test
to find the smallest distance that the person is able to feel two points of contact
46what is resting on top of the taste buds
papilae
47what is the point of taste buds
to percieve chemicals and send them to the brain
48where do you find taste buds on the tounge
around the edges
51approximately how many taste buds are on the tounge
4000
52what are the taste perceptions
unami, sweet, salty, sour, bitter
53how do gustation and olfaction work together
when tasteing something on your tounge with gustation some of the molecules go into your thraot into your olfaction nerve and that allows the brain to recognize the taste with the smell.
54what molecule makes things taste sweet
sugars
55what molecule makes things taste salty
sodium ions
56what molecule makes things taste sour
hydrogen ions
57what molecule makes things taste bitter
alkaloids
58what molecule makes things taste unami
glutamate
59what is the tough protective layer of the eye
the fibrous tunic
60what is the vasculized area of the eye
the vascular tunic
61what is the nervous area of the eye
the retina
62what does the retina do
it allows you to see
63what is blindspot
area on the retina without receptors that respond to light. thereofer no image will be shown here
64what is visual acuity
how clear or how blurry yiur vision is
65what is color blindness
when the cones in your retina do not work properly to see color
66what is depth perception
the ability to judge how far or close something is, this is due to the brain not being able to combine your vision correclty
67what is afterimage
what the photorecpetors firing after looking at something very bright leaving them on even after looking away from the light
68what is near sighted
when you can only see things close to you
69what is far sighted
when you can only see things that are far away
70what is astigmatism
when the cornea or lens of your eye is an irregular shape leaving light focusing unevelny on your retina
71what are the ear ragions
external, middle, inner
72what is the function of the inner ear
hearing and quilibrium. the function of fluid contanance
73what is the function of the middle ear
associated with bone conducatnce and hearing
74what is the function of the external ear
functions in hearing and air conductance
75what is proprecption
to know where your body parts are. its like coordiantion
76what is the function of the kidney
filters blood to remove waste and excess substances. the substances then become urine
77what is the function of the renal artery
carries oxygenated blood with waste products to the kidneys for filteration
78what is the funciton of the ureters
tubes that transport urine from the kidneys to the bladder
79what is the function of the bladder
stores urine until its ready to be expelled from the body
80what is the function of the urethra
the tuba that carries urine form the bladder out of the body