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33 terms

Anatomy

STUDY
PLAY
Which one of the following areas receives blood directly from the for pulmonary veins
left atrium
Which one of the following forms elements is the most abundant
Erythrocytes
The element necessary in the diet for proper thyroid function is
Iodine
The atria the heart are the chambers that are
located superiorly and are the receiving chambers of the heart
An enlargement of the thyroid gland resulting from a dietary deficiency of dietary iodine is called
Goiter
The hormone that appears to help regulate our sleep-awake cycle is
melatonin
Platelets are fragments of multi-nucleate cells called
megakaryocytes
Which one of the following blood vessels carry Oxygenated blood
pulmonary vein
A clot that breaks away from a vessel wall and circulates freely within the bloodstream is called an
Embolus
The thyroid gland is located
below the Adams apple
The cresent-shaped pacemaker of the heart that initiates depolarization under normal conditions is the
Sinoatrial node (SA)
Which one of the following is not among the factors that leads to undesirable clotting
Hemophilia
Blood normally clots in approximately
3 to 6 minutes
Which one of the following is not one of the major processes controlled by hormones
body coordination
When the ventricles contract The bicuspid (mitral) valve prevents blood from flowing from the
left ventricle to the left atrium
The average functional lifespan of an RBC is
100-120 days
Which one of the following is not true of white blood cells
They initiate the clotting process
Which one of the following groups consist of granulocytes
Neutrophils, eosinophils, and basophils
A heartrate this is substantially slower than normal (less than 60 beats per minute) is called
bradycardia
Into which one of the following vessels of blood enter during ventricular systole
Both a and c (aorta and pulmonary trunk)
the superior vena cava empties
deoxygenated blood into the right atrium
The thick layer of the heart wall that contains contractile cardiac muscle tissue is the
myocardium
The secondary sex characteristics brought about by testosterone secretion do not include
development of breasts
A substance that stimulates the immune system to release antibodies
antigens
The mitral valve is normally closed
when the ventricle is in systole
Transfusion reactions coming to all of the following except
hemophilia
Blood is a type of which kind of body tissue
connective
The Pituitary gland is located
within the temporal lobe
Which one of the following blood vessels is not part of the systemic circulation
coronary arteries
The series of reactions that stop blood flow following a cut is called
coagulation
the tricuspid valve is located between the
right atrium the right ventricle
The most common type of blood in the US population is
O
Hormone concentrations in the blood under normal conditions are usually regulated by
negative feedback mechanisms