exxtrasss Flashcards
What is the primary function of platelets in the blood?
To help form blood clots.
True or False: Atherosclerosis is the hardening of the arteries due to plaque buildup.
True
What are the small blood vessels that connect arteries to veins called?
Capillaries
What is the term for the immune response to pathogens in the bloodstream?
Inflammation
True or False: Capillaries are responsible for nutrient and gas exchange in tissues.
True
What type of blood vessel carries oxygen-rich blood away from the heart?
Arteries
Multiple choice: Which component of blood is primarily responsible for fighting infections? (a) Red blood cells (b) White blood cells (c) Platelets
b) White blood cells
What is the significance of fibrin in the clotting process?
Fibrin forms a mesh that stabilizes the clot.
Fill in the blank: The _______ system helps transport excess fluid from tissues back into the bloodstream.
lymphatic
What is the role of the immune system in fighting disease?
To identify and eliminate pathogens.
Multiple choice: Which of the following is a risk factor for developing atherosclerosis? (a) Smoking (b) Drinking water (c) Eating fruits and vegetables
a) Smoking
What is the primary component of arterial plaque?
Cholesterol
True or False: Atherosclerosis can be reversed with lifestyle changes.
True
What is the primary function of veins?
To carry oxygen-poor blood back to the heart.
Fill in the blank: The process of _______ involves the breakdown of clots after healing.
fibrinolysis
What is the effect of hypertension on arteries?
It can damage the artery walls and promote atherosclerosis.
Multiple choice: Which type of blood vessel has the thinnest walls? (a) Arteries (b) Veins (c) Capillaries
c) Capillaries
