BSNC 1000 - module 4-6 Exam Questions With Correct Answers.
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Course
BSNC 1000
Institution
BSNC 1000
BSNC 1000 - module 4-6 Exam Questions
With Correct Answers.
Define perfusion - answerblood flow and oxygen delivery to body tissues
Perfusion is influenced by - answer-volume of blood pumped from the heart
-radius of blood vessels
-viscosity of blood
-velocity of flow
-blood pressure
impair...
BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
BSNC 1000 - module 4-6 Exam Questions
With Correct Answers.
Define perfusion - answer✔✔blood flow and oxygen delivery to body tissues
Perfusion is influenced by - answer✔✔-volume of blood pumped from the heart
-radius of blood vessels
-viscosity of blood
-velocity of flow
-blood pressure
impaired perfusion is exemplified by: - answer✔✔-hypertension
-myocardial infarction
-heart failure
-shock
how do you measure pulse pressure? - answer✔✔systolic pressure - diastolic pressure
how do you measure BP? - answer✔✔CO x peripheral vascular resistance
how do you measure CO? - answer✔✔stroke volume x HR
how do you measure MAP? - answer✔✔CO x TPR
what major factors influence peripheral resistance - answer✔✔-vessel radius ***
-blood viscosity - resistance to flow (higher viscosity, higher resistance)
what is a sign? - answer✔✔manifestation noted by observer
what is a symptom? - answer✔✔subjective, perceived by client
ie/ pain, difficulty breathing, dizziness
what is an acute disorder? - answer✔✔severe, but self limiting
what is a chronic disease? - answer✔✔long term, continuous or exacerbations/remission
what is subacute disease? - answer✔✔between acute and chronic
what defines hypertension? - answer✔✔-systolic BP > 140 mm/Hg
-diastolic BP > 90 mm/Hg
-imbalance between CO or TPR
what is primary hypertension? - answer✔✔cause is unknown but may be caused by:
-poor kidney function (fewer glomeruli where waste products)
-high dietary Na+
-lack of exercise
-smoking
-obesity
what is secondary hypertension? - answer✔✔-structure of blood vessels supplying kidneys are
altered
-tumors of glands that secrete hormones to raise BP
-atherosclerosis
what happens to the kidneys with hypertension? - answer✔✔nephrosclerosis (small, rough,
granular surface)
what happens to the brain with hypertension? - answer✔✔hemorrhagic stroke
what happens to the eyes with hypertension? - answer✔✔-retinopathy (retinal arterioles change
in structure)
-develop copper wire effect
-hemorrhages may occur in retina
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