QUESTIONS AND CORRECT ANSWERS
Veins - CORRECT ANSWER vessels that carry blood to the heart
Capillaries - CORRECT ANSWER Microscopic vessel through which exchanges take place
between the blood and tissue fluid
tunica media - CORRECT ANSWER Middle layer of blood vessel containing smooth muscle
tunica intima - CORRECT ANSWER the innermost layer of a blood vessel, composed of
smooth muscle tissue
pulmonary circulation - CORRECT ANSWER flow of blood from the heart to the lungs and
back to the heart
tunica adventitia - CORRECT ANSWER outer layer of blood vessel containing connective
tissue
Arteries - CORRECT ANSWER vessels that carry blood away from the heart
systemic circulation - CORRECT ANSWER Blood flow from the heart to the body excluding
the lungs and back to the heart
T wave - CORRECT ANSWER Due to ventricular repolarization
P wave - CORRECT ANSWER atrial depolarization
QRS complex - CORRECT ANSWER ventricular depolarization
, coronary circulation - CORRECT ANSWER Delivers oxygen and nutrients to the heart and
removes waste products
Vessel length and vessel diameter - CORRECT ANSWER Factors that can affect blood pressure
Pulmonary semilunar valve - CORRECT ANSWER Prevents the backflow of blood from the
pulmonary trunk to the right ventricle
Functions of blood - CORRECT ANSWER transportation, regulation, protection
Vascular spasm-haemostasis - CORRECT ANSWER Narrowing the blood vessels slows blood
flow and reduces blood loss for 20-30 minutes
platelet plug formation - CORRECT ANSWER Seals the damaged area in the blood vessel
temporarily
Coagulation - CORRECT ANSWER Formation of stable clot, fibrin threads form a mesh to
reinforce the platelet plug, to seal the damaged area while tissue is repaired
Result of Low haemoglobin - CORRECT ANSWER Fatigue/shortness of breath due to a
reduced o2 carrying capacity
Ossicles from the tympanic membrane - CORRECT ANSWER Malleus, incus, stapes
Age related changes to hearing - CORRECT ANSWER Tinnitus, presbycuss
Functions of the respiratory system - CORRECT ANSWER pH regulation, sense of smell,
voice production
lung compliance - CORRECT ANSWER the ease with which lungs can be expanded