circulation worksheet 2

The ___________ vein is used to take blood samples in elbow.

median cubital

The ___________ vena cava drains blood from head, neck, thorax and upper limbs into heart.

superior

Whereas the ___________ vena cava drains blood from abdomen, pelvis and lower limbs into heart.

inferior

Portal vein is formed by union of _____ and _____ vein.

splenic vein and superior mesenteric vein

external jugular vein drains into…

head and neck

internal jugular vein drains into…

brain, neck, and face

subclavian vein drains into…

upper limb

azygos and hemiazygos veins drain into…

thoracic wall

internal iliac vein drains into…

pelvis

external iliac vein drains into…

lower limb

Blood pressure is the measure of __________

force blood exerts against blood vessel walls.

Systolic blood pressure represents the __________ of the heart.

contraction

Diastolic blood pressure represents the __________ of the heart.

relaxation

Pulse pressure is the difference between __________ and __________ blood pressure.

systolic, diastolic

If systolic is 130 mm Hg and diastolic is 80 mm Hg, the pulse pressure would be __________ mm Hg.

50

how do you calculate pulse pressure?

subtract diastolic from systolic blood pressure.

The vasomotor center for nervous control of blood pressure lies in __________ and __________.

pons, medulla oblongata

The hormonal control of blood pressure is by hormones __________ and __________ secreted by adrenal medulla.

epinephrine, norepinephrine

______ respond to stretch in arteries due to increased pressure. these are located in __________ sinuses and __________ arch.

baroreceptors, carotid, aortic

____ are sensitive to changes in blood oxygen, carbondioxide, and pH. these are located in _______ and _______ bodies.

chemoreceptors, carotid, aortic

The hormone __________ is secreted by the kidney to maintain blood pressure in long term.

renin

The hormone __________ is released by the hypothalamus when blood pressure is decreased.

antidiuretic

_________________ is a calculated value that reflects an average arterial pressure in various vessels of the body.

Mean Arterial Pressure (MAP)

Mean arterial pressure (MAP) is the product of __________ and __________ resistance.

cardiac output, systemic vascular

the mean arterial pressure is maintained at about __ mm Hg from adolescence to middle age.

95