Mark the following statements as true or false. If a statement is false, correct it to make a true statement.




b. A sudden increase or decrease in blood pressure triggers the baroreceptor reflex, which is mediated by the medulla and the autonomic nervous system.

The carotid sinus contains:

a. baroreceptors.

b. chemoreceptors.

c. metabolic controls.

d. smooth muscle cells.

Which of the following would produce a decrease in blood pressure?

a. Increased cardiac output

b. Vasodilation

c. Vasoconstriction

d. Increased blood volume

Fill in the blanks: The two pressures within the systemic arterial circuit are the_____pressure and t_____pressure. The difference between these two pressures is the_____ pressure.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

a.The sympathetic nervous system increases blood pressure in the short term by increasing cardiac output and peripheral resistance.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

c. Hormones that decrease blood volume and blood pressure include antidiuretic hormone and aldosterone.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

d. Angiotensin-II is a chemical that produces profound vasoconstriction.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

e. The kidneys control blood pressure directly through adjustment of blood volume.

Define each term:

a. Pressure gradient

b. Blood pressure

c. Blood flow

d. Resistance