Question 1

Arteriolar smooth muscle normally displays a state of partial constriction known as __________,which establishes a baseline of arteriolar resistance.​

Accepted Answer

vascular tone​

Question 2

Circulatory shock from extensive loss of blood volume is known as:

Accepted Answer

A)  ​cardiogenic shock
B)  vasogenic shock
C)  neurogenic shock
D)  extensive shock
E)  ​hypovolemic shock E

Question 3

By the time the blood enters the venous system,blood pressure averages only:

Accepted Answer

A)  ​10 mm Hg
B)  17 mm Hg
C)  27 mm Hg
D)  30 mm Hg
E)  ​50 mm Hg B

Question 4

Although ventricular pressure falls to 0 mm Hg during diastole,arterial pressure does not fall to 0 mm Hg because the next cardiac contraction refills the arteries before all the blood drains off.

Accepted Answer

A) True 
 B)False

Question 5

Local arteriolar myogenic and chemical mechanisms that keep tissue blood flow fairly constant (despite rather wide deviations in mean arterial driving pressure)is termed:

Accepted Answer

A)  ​hemo-control
B)  autoregulation
C)  hemo-stimulation
D)  pararegulation
E)  ​sympathetic balance

Question 6

What vasoactive chemicals do arteriolar endothelial cells release?

Accepted Answer

A)  ​paracrines
B)  histamines
C)  adrenal hormones
D)  neurotransmitters
E)  ​acetylcholine

Question 7

Right atrial volume receptors and hypothalamic osmoreceptors are primarily important in water and salt balance in the body.

Accepted Answer

A) True 
 B)False

Question 8

The large holes within the leaky capillaries of the kidneys and intestines are known as:

Accepted Answer

A)  ​micro pores
B)  macro pores
C)  Fick's funnels
D)  fenestrations
E)  ​capillary beds

Question 9

What compound brings about local arteriolar vasodilation by causing relaxation of arteriolar smooth muscle in the vicinity?

Accepted Answer

A)  ​sodium chloride
B)  acetylcholine
C)  nitric oxide
D)  dopamine
E)  ​endothelin

Question 10

During systole,no blood enters the arteries,while blood continues to leave,driven by elastic recoil.

Accepted Answer

A) True 
 B)False

Question 11

Large percentages of the cardiac output are distributed to the kidneys in order to eliminate metabolic wastes and adjust water and electrolyte composition.

Accepted Answer

A) True 
 B)False

Question 12

What harmful compound does the pancreas release when it does not get enough blood due to circulatory shock?

Accepted Answer

A)  ​vasopressin
B)  acetylcholine
C)  protease
D)  myocardial toxic factor
E)  ​insulin

Question 13

The major determinant of resistance to blood flow is the:

Accepted Answer

A)  ​percentage of red blood cells
B)  blood's pH level
C)  blood vessel's strength
D)  blood vessel's percentage of smooth muscle
E)  ​blood vessel's radius

Question 14

The efferent pathway of the cardiovascular control center is the ___________ nervous system.

Accepted Answer

The answer of The efferent pathway of the cardiovascular control...

Question 15

On average,the hydrostatic pressure is 37 mm Hg at the arteriolar end of a tissue capillary.​

Accepted Answer

A) True 
 B)False

Question 16

Arteriolar radius is extrinsically controlled by the hormones vasopressin and angiotensin II,which are potent vasoconstrictors.​

Accepted Answer

A) True 
 B)False

Question 17

What happens to blood flow as it approaches the heart?

Accepted Answer

A)  ​speeds up
B)  slows down
C)  pools
D)  becomes thicker
E)  ​becomes thinner

Question 18

Capillaries consist of only a(n)__________ layer of flat __________ cells.​

Accepted Answer

The answer of Capillaries consist of only a(n)__________ layer of...

Question 19

Lymph percolates through lymph __________,which contain special __________ that destroy bacteria picked up from the interstitial fluid.

Accepted Answer

The answer of Lymph percolates through lymph __________,which contain special...

Question 20

The endothelial cells in brain capillaries are joined by __________ junctions so that pores are nonexistent.

Accepted Answer

The answer of The endothelial cells in brain capillaries are...

Exam 10: The Blood Vessels and Blood Pressure

Arteriolar smooth muscle normally displays a state of partial constriction known as __________,which establishes a baseline of arteriolar resistance.

Circulatory shock from extensive loss of blood volume is known as:

By the time the blood enters the venous system,blood pressure averages only:

Although ventricular pressure falls to 0 mm Hg during diastole,arterial pressure does not fall to 0 mm Hg because the next cardiac contraction refills the arteries before all the blood drains off.

Local arteriolar myogenic and chemical mechanisms that keep tissue blood flow fairly constant (despite rather wide deviations in mean arterial driving pressure) is termed:

What vasoactive chemicals do arteriolar endothelial cells release?

Right atrial volume receptors and hypothalamic osmoreceptors are primarily important in water and salt balance in the body.

The large holes within the leaky capillaries of the kidneys and intestines are known as:

What compound brings about local arteriolar vasodilation by causing relaxation of arteriolar smooth muscle in the vicinity?

During systole,no blood enters the arteries,while blood continues to leave,driven by elastic recoil.

Large percentages of the cardiac output are distributed to the kidneys in order to eliminate metabolic wastes and adjust water and electrolyte composition.

What harmful compound does the pancreas release when it does not get enough blood due to circulatory shock?

The major determinant of resistance to blood flow is the:

The efferent pathway of the cardiovascular control center is the ___________ nervous system.

On average,the hydrostatic pressure is 37 mm Hg at the arteriolar end of a tissue capillary.

Arteriolar radius is extrinsically controlled by the hormones vasopressin and angiotensin II,which are potent vasoconstrictors.

What happens to blood flow as it approaches the heart?

Capillaries consist of only a(n) layer of flat cells.

Lymph percolates through lymph ,which contain special that destroy bacteria picked up from the interstitial fluid.

The endothelial cells in brain capillaries are joined by __________ junctions so that pores are nonexistent.

Exam 10: The Blood Vessels and Blood Pressure

Arteriolar smooth muscle normally displays a state of partial constriction known as __________,which establishes a baseline of arteriolar resistance.​

Circulatory shock from extensive loss of blood volume is known as:

By the time the blood enters the venous system,blood pressure averages only:

Although ventricular pressure falls to 0 mm Hg during diastole,arterial pressure does not fall to 0 mm Hg because the next cardiac contraction refills the arteries before all the blood drains off.

Local arteriolar myogenic and chemical mechanisms that keep tissue blood flow fairly constant (despite rather wide deviations in mean arterial driving pressure) is termed:

What vasoactive chemicals do arteriolar endothelial cells release?

Right atrial volume receptors and hypothalamic osmoreceptors are primarily important in water and salt balance in the body.

The large holes within the leaky capillaries of the kidneys and intestines are known as:

What compound brings about local arteriolar vasodilation by causing relaxation of arteriolar smooth muscle in the vicinity?

During systole,no blood enters the arteries,while blood continues to leave,driven by elastic recoil.

Large percentages of the cardiac output are distributed to the kidneys in order to eliminate metabolic wastes and adjust water and electrolyte composition.

What harmful compound does the pancreas release when it does not get enough blood due to circulatory shock?

The major determinant of resistance to blood flow is the:

The efferent pathway of the cardiovascular control center is the ___________ nervous system.

On average,the hydrostatic pressure is 37 mm Hg at the arteriolar end of a tissue capillary.​

Arteriolar radius is extrinsically controlled by the hormones vasopressin and angiotensin II,which are potent vasoconstrictors.​

What happens to blood flow as it approaches the heart?

Capillaries consist of only a(n)__________ layer of flat __________ cells.​

Lymph percolates through lymph __________,which contain special __________ that destroy bacteria picked up from the interstitial fluid.

The endothelial cells in brain capillaries are joined by __________ junctions so that pores are nonexistent.

Arteriolar smooth muscle normally displays a state of partial constriction known as __________,which establishes a baseline of arteriolar resistance.

On average,the hydrostatic pressure is 37 mm Hg at the arteriolar end of a tissue capillary.

Arteriolar radius is extrinsically controlled by the hormones vasopressin and angiotensin II,which are potent vasoconstrictors.

Capillaries consist of only a(n) layer of flat cells.

Lymph percolates through lymph ,which contain special that destroy bacteria picked up from the interstitial fluid.