WorksheetsBlood Composition and Heart Function
Total questions: 28
Worksheet time: 14mins
55% of your blood is made up of what
platelets
RBC
WBC
plasma
heart attacks always end in death?
true
false
The contractions of the atria are stimulated by what node?
SA
AV
bundle of HIS
purkinje fibers
the blood vessels that carry blood toward the heart are the
veins
capillaries
arteries
arterioles
why does someone feel fine then fall dead from a heart attack?
because they are old
because their arteries are narrow
because their arteries are narrow and blood clots lodge in them
because they don't eat right
teenagers can die from heart issues
true
false
a heart attacks is
the lack of blood flow through the heart chambers
the lack of blood flow through the veins of the heart
the lack of blood flow through the arteries that feed the heart muscle
the lack of blood flow through the aorta
shortness of breath can be a sign of heart issues
true
false
the bottom of the heart at the end of the ventricles is called the
apex
base
bottom end
underneath side
if a person is brain dead that that person's heart will
stop beating
continue to beat
become hyperthyroid
get smaller
Normal WBC count in a human is what per cubic millimeter?
1,000-2,500
5,000-10,000
12,500-20,000
100,000-150,000
If a person has coronary heart surgery the heart is cut on to bypass vessels are that are clogged, what is the acronym for the surgery?
BAGAG
CAB
CABG
BAG
another name for Red Blood Cells is leukocytes
true
false
the cavity the heart sits in is called the
thoracic
mediastinum
manubrium
middlubrium
A deficiency in the production of normal hemoglobin, or defective hemoglobin is called?
HTN
Heart attack
Anemia
blood clot
which of the following are not formed elements in your blood
Red Blood Cells
White blood cells
clots
platelets
what term refers to an abnormally high WBC count
leukopenia
leukoplakia
leukocytosis
leukocytes
when a person has angioplasty to repair blockages in the heart
they have new blood vessels put in
they have a balloon inflated to clear the blockage
they neovascularize the heart
they are having open heart surgery
if a person has type A blood, which of the following type of antigens does their blood contain
Type A
type B
RH antigen
No RH antigen
The lack of electrolytes can cause the heart to
work harder
stop pumping efficiently
work better
pump more efficiently
The innermost layer of the heart is called the
myocardium
endocardium
visceral pericardium
parietal pericardium
when the atria contract that portion of the heart cycle is called
diastole
systole
top number
bottom number
what formed element plays a key role in coagulation?
WBC
RBC
platelets
plasma
The SA mode initiates the first electrical impulse in the heart, which will eventually cause the heart to contract, what is the unofficial "nickname" of the SA node?
the heart starter
the pace maker
the electric starter
the beat keeper
when the heart beats which part of the heart contracts the most?
the ventricles
the atrium
the aorta
the superior vena cava
Genetics do not play a role in risk of heart disease
true
false
the largest artery in the body is the
carotid
femoral
saphenous
aorta
if a person has O- blood, their RBC carry the RH antigen
true
false
