17 Questions
What is the primary function of the lymphatic system?
Removing excess fluid and waste products from tissues
Which layer of the blood vessels is responsible for exchanging nutrients and waste products between the blood and tissues?
Tunica intima
What is the main function of precapillary sphincters in blood circulation?
Regulate blood flow into capillaries
During which phase of the cardiac cycle do the ventricles contract and pump blood to the body?
Systole
Why are purkinje fibers essential in the heart's electrical conduction system?
To conduct electrical impulses to the ventricles
Which blood type is considered the universal recipient?
Blood type AB+
What is the tough membrane that surrounds the heart called?
Serous pericardium
Which pacemaker in the heart generates an electric impulse at approximately 70–80 impulses per minute?
Sinoatrial node
What is a condition characterized by fewer-than-normal circulating white blood cells called?
Leukopenia
Where does the left coronary artery provide blood to?
Lateral wall of the left ventricle
Which wave on an ECG represents the repolarization of the ventricles?
T wave
What do thrombocytes in blood primarily function in?
Clotting
Which factor is responsible for transforming the protein required to form a netlike patch at a site of injury?
Fibrinogen
When is the sound of blood rushing through an artery heard during blood pressure measurement?
When the cuff pressure is higher than systolic pressure
An individual with which type of blood will have two antibodies present in their blood?
AB-
What happens to blood flowing out of capillaries into tissues when osmotic pressure exceeds hydrostatic pressure?
Fluid is pulled back into the blood vessels
Which event aligns with Step 5 of the cardiac cycle?
The bicuspid valve closes and the left ventricle contracts strongly
Test your knowledge on topics such as blood pressure, blood vessels, the lymphatic system, and blood's regulating functions in this quiz. Questions cover concepts like changes in blood pressure, arteriosclerosis, functions of the lymphatic system, and blood regulation.
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