Lecture 11: Cardiovascular

Question 1

What are the three types of capillaries?

Answer 1

continuous capillaries
fenestrated capillaries
discontinuous capillaries

Question 2

What are pericytes

Answer 2

contractile responsed to NO

Question 3

Where are continuous capillaries found?

Answer 3

mucles, CNS, lungs

Question 4

where are fenestrated capillaries found?

Answer 4

endocrine glands, site of metabolic and fluid absoption

Question 5

Where are discontinuous capillaries found?

Answer 5

spleen, liver, bone marrow

Question 6

what are the large veins of the body?

Answer 6

IVC, SVC, Subclavian, portal vein

Question 7

Describe atheroscloerosis

Answer 7

lesions develop in tunica intima of arteries, results in fibrofatty plaque. LDL –> foam cells

Question 8

Describe hypertension

Answer 8

Heart wall (usually left) thickens to deal
with increase force needed to pump blood
through narrowed vessels

Question 9

What is a sustained high BP?

Answer 9

Sustained high BP = (>140/90 mm Hg).

Question 10

Describe a myocardial infarction

Answer 10

sudden loss of perfusion to heart wall

Question 11

Describe lymphdema

Answer 11

obstruction or injury to lymph vessel

Certain parasitic infections can obstruct the lymphatic vessels causing elephantitis.

Lymphedema in the right arm is a common complication of breast cancer treatments.