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WorksheetsESS 206 Exam I review
Total questions: 10
Worksheet time: 5mins
Who is the physiologist who coined the term "homeostasis"
Claude Bernard
Walter Cannon
Albert Einstein
Jacob Caldwell
This is a "protective" mechanism in the heart to reduce friction
SA Node
Interventricular septum
Pericardial fluid
Lung
During exercise our blood pH can drop. What does this indicate?
Increased muscle mass
Increased epinephrine
Increased tide pod consumption
Increased hydrogen ion formation
What do preganglionic sympathetic fibers have that postganglionic do not
Neurotransmitter
Myelinated
unmyelinated fibers
No differences exist.
This is the third step in the electrical activity of the heart
SA node
AV bundle
AV node
Subendocardial connecting network
If the pulmonary valve "sticks" and dose not open completely, which heart chamber may be impacted?
Left ventricle
Right ventricle
Aorta
Carotid artery
Which is the correct sequence of PO2 progressively decreasing
Body tissues, arterial blood, alveolar air
Alveolar air, atmospheric air, body tissues
Atmospheric air, alveolar air, body tissues
Body tissues, alveolar air, arterial blood
Where is the cardiovascular control center?
Lungs
Skeletal muscle
Brain
Medulla
Which of the following are true about oxygen transport by the blood?
An environment of low PO2 is needed
Under resting conditions, most of the hemoglobin releases oxygen
Oxyhemoglobin dissociates easier/faster when blood enters active tissues
Most of the oxygen transport in the blood is in the form of bicarbonate
Which blood component primarily helps with clotting?
White blood cells
Platelets
Red blood cells
Plasma
