Which of the following plasma protein categories plays a role in blood clotting?

Which of the following would decrease the contractility of the heart? (select all that apply)

What is the approximate average end diastolic volume of the heart while at rest in an adult?

Within the cardiovascular center, where would you expect the average pressure to be the lowest?

Sam is involved in a high speed motor vehicle accident. He is a passenger in the vehicle and suffers extensive damage to his spleen. The results in massive internal bleeding. He needs surgery quickly to avoid further complications. If not treated promptly, Sam may develop shock due to________ and a(n) ________ in arterial blood pressure.  (select the correct combination of terms to correctly complete the statement).

Within the cardiovascular system, where would you expect the average pressure to be the highest?

Nervous system and endocrine system regulation of blood pressure. Match the hormonal or endocrine method of blood pressure regulation to the correct effect on blood pressure and method of achieving that effect. (1 point for each correct answer).

During isovolumetric contraction, the cardiac muscle fibers for the ventricles begin to contract, ventricular pressure increases, the atrioventricular valves are ________, and the semilunar valves are ________. (select the correct combination to describe the state of the valves).

Samantha is highly allergic to bee stings. If stung by a bee, this may cause a massive release of histamine in Samantha leading to shock due to________ and a(n) ________ in arterial blood pressure. (select the correct combination of terms to correctly complete the statement).

What chamber(s) of the heart have the thickest myocardium? (select all that apply)