precapillary sphincters allow for anastomosis
true
which of the following is considered a vein
SVC
which of the following are atrioventicular valves
mitral and tricuspid
capillaries are where waste products are reabsorbed
true
which of the following are semilunar valves?
aortic and pulminary
mcrophages are the first to arrive at the scene of an injury; after which neutropils arrive to clean up the mess
false
a platelet plug is stronger than a forbiden plug
false
which of the following has more smooth muscle in it because it is under high pressure
arteries
the ___ of the heart is inferior; while the ------ of the heart is superior
apex; base
based by percentage, which blood type is the oldest?
type O
The ___ valve is the same thing as a mitral valve
bicuspid
Regergitation is the same thing as a heart attack
false
the biconvex shape of an erythrocyte allows it to fit through capillary beds (T or F)
false
which of the following is considered an artery?
aorta
The function of thrombocytes is to ___
clot the blood
venules are larger than veins (T or F)
false
the aorta comes out of the ___ of the heart
base
Regergitation is the same thing as a heart murmur (T or F)
true
The pulminary __ carries oxygenated blood; while the pulmanary ___
vein; artery
The Rh factor is also known as the D antigen (T or F)
true
when it is hot outside, deep veins allows heat loss so the body cools down (T or F)
false
Which of the following has less smooth muscle in it because it is under a lower pressure?
veins
__ involved a clogged arterial system, wheras __ involves damaged valves
atherosclerosis; regurgitation
The ___ is considered the pacemaker of the heart
SA node
The AV node is the pacemaker of the heart (T or F)
false
the layer of vessel that comes in contact with blood is the ___
endothelium
varicose veins and hemorrhoids represent pooled blood causing vessel distension
true
____ causes a larger vesel lummen
vasodilation
deep veins allow the body to heat; whereas superficial veins allow the body to __ heat
converse; lose
Pre-capillary sphincters ___________
regulate blood flow
when monocytes leave the blood system and enter the tissue beds, they are called macrophges (T or F)
true
Which of the following do have a nucleus?
leukocytes
Which of the following has a life span of 120 days?
erythrocytes
most foregin objects going down the trachea get trapped in the left bronchus
false
When the diaphragm flattens it moves downward
increasing the volume in the thoracic cavity
the right lung has ___ lobes; whereas the left lung has _ two lobes
3;2
most foreign objects in the trachea get trapped in the right bronchi
true
the thymus is located in the mediastinum
true
the thymus is located posterior to the sternum
true
dealing with edema (excess fluid in the tissue beds) is a major function of the lymphatic system
true
lymph nodes act as filters so disease organisms do not spread
true
external gas exchange occurs in the ___
lungs
lymphatic vessels have valves just like veins
true
The thymus is part of the body’s defense system
true
the diaphragm separates the abdominal and pelvic cavities
false
The epiglottis is the space between the vocal cords
false
the thyroid is part of the body’s defense system
false
the ciliary escalator helps beat impurities up the trachea toward the mouth
true
what part of the throat is behind the mouth
oropharynx
not having a spleen does not result in any deficiency in ones immune system
true
what part of the throat is behind the vocal cords
larngopharynx
veins have valves but lymphatic vessels do not
false
lymph nodes can keep a disease from spreading
true
the left lunch has the cardiac notch
true
surfactant is necessary to keep alveoli cells from collapsing
true
Bronchiole have cartilage on them
false
pseudostratified ciliated columnar cells
at least 2 of the given answers are correct
air filled gas pockets where gas exchange occurs are called ___
aveoli
the diaphragm separates the abdominal and pelvic cavities
false
the glottis is open when straining to lift a heavy object
false
tension of the ___ affects the pitch of ones voice
vocal cords
chemical and gas exchange between blood and interstitial fluid around tissue cells occurs at the ___
capillaries
the lymphatic system:
all these answers are correct
ones thymus is at its maximum size at puberty
true
lymphatic vessels start blindly in the tissue beds
true
the adam’s apple is part of the ___
thyroid cartilage
the spleen is located in the upper right thoracic cavity
false
a spleen does not result in any deficiency in one’s immune system
false
micturition is another word for
urination
blood supply into the kidneys are via the __, while the _ drains blood from the kidneys
renal artery; renal vein
the __ is the tube down which food flows to the stomach
esophagus
the bladder is made up of ___ epithelium that withstands stretching
traditional
the digestive tract has several ways of increasing absorptive surfaces. they include:
all of these are true
the forward movement of muscle contraction is called __
peristalis
the urethra is shorter in men than in women
false
the ___ is the functional unit of the kidney
nephron
deciduous teeth are
baby teeth
the forward movement of food by muscle constriction is called __
peristalsis
Urethras enter the bladder at oblique angles so urine cannot backflow to the kidneys
false
Which of the following is NOT a kidney function?
elimination of carbon dioxide
with reference to the collecting tubules: ___ is removing water from the tubules and returning it to the venous system
reabsorption
Bile is made by the gallbladder
false
Lacteals:
all these answers are correct
__ arterioles carry blood To the glomerulus; whereas _ arterioles carry blood FROM the glomerulus
afferent; efferent
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