ReviewCirculatory System , Heart

& Blood

What is the function of the chordae tendineae?

Parasympathetic stimulation to the heart results in …..

Which part of the brain regulates impulses to the heart?

Which cranial nerve sends impulses to the SA node?

Cutting the Vagus nerve causes?

Blood from the systemic circulation is returned to the right atrium by the …..?

Blood plasma consists out of… ?

Formed elements of the blood consists ?

Name the 5 WBCs ?

Never Let Monkeys Eat Bananas !!!

Atrioventricular valves prevent backflow of blood into the _____________; Semilunar valves prevent backflow into

the ___________.

a)Atria; Ventriclesb)Lungs; systemic circulationc) Ventricles, Atriad)Capillaries, Lungs

When the pressure in the L. ventricle becomes greater than the pressure in the aorta, the….

a) Pulmonary semilunar valve is forced open

b)Aorta semilunar valve closesc) Pulmonary semilunar valve

closesd)Aorta semilunar valve is forced

open

The correct sequential path of an action potential in the heart is ?

a)SA node – AV bundle – AV node – Purkinje fibers

b)AV node – SA node – AV node – AV bundle

c) SA node – AV node – AV bundle – Purkinje fibers

d)SA node – AV node – Purkinje fibers – AV bundle

Blood from the coronary circulation is returned to the right atrium of the heart via …

a)the great cardiac arteriesb)the circumflex branchesc)the coronary sinusd)the interventricular braches

The visceral pericardium, or epicardium, covers the …

a)inner surface of the heartb)outer surface of the heartc)vessels in the myocardiumd)all of the above

The great cardiac vein drains blood into the coronary sinus, which drain blood into the …

a)right atriumb)left ventriclec)left atriumd)right ventricle

The right side, serves as the ________ pathway pump, while the left side serves as the

________ pump.

a)systemic; pulmonaryb)pulmonary; hepatic portalc)hepatic portal, cardiacd)pulmonary; systemic

Platelets are unique formed elements of the blood, because they …

a)initiate the immune response and destroy bacteriab)are cell fragments and initiate blood clottingc)can reproduce because they contain a nucleusd)are only present during an allergic reaction

Rh- (negative) blood indicates the …

a)presence of RH agglutinogenb)presence of agglutinogen Ac)absence of the Rh agglutinogend)absence of agglutinogen B

If Agglutinogen B meets with Agglutinin Anti –A, the result would be …

a)a cross – reactionb)no agglutination would occurc)the patient would be comatosed)the patient would die.

The number of Eosinophils increases dramatically during….

a)an allergic reaction or a parasitic infectionb)an injury to a tissue or a bacterial infectionc)tissue degeneration or cellular deteriorationd)a and b are correct

A person with Type O Blood contains….

a)Anti- A and Anti- B Agglutininsb)Anti- O Agglutininsc)Anti- A and Anti- B Agglutinogensd)no Agglutinins – Type O lacks Agglutinins