exam 2 lecture 3

Question 1

IV is least forgiving

Answer 1

immediate distribution - no second line of defense
if excipient is acceptable for IV , it is acceptable for other admins
some excipients for other parenteral routes like IM are unacceptable for IV

Question 2

IV route of admin

Answer 2

methods: bolus (push), infusion
site of admin: peripheral vein + central vein
infusion modes of admin: continuous or intermittent admin
IV skips absorption step

Question 3

venous complications

Answer 3

phlebitis: inflammation from irritation of tunica intima of vein.
- mod to severe pain, days to month to subside, limits veins available in future
thrombosis: formation of a blood clot in vein
- pain, swelling, pulmonary embolism

Question 4

central vein infusion

Answer 4

catheter goes through subclavian vein to heart

Question 5

IM admin

Answer 5

sites
delt –> 2 mL
thigh –> 5 mL
glutes –> 5 mL
IM has absorption step

Question 6

subcutaneous

Answer 6

similar IM but volume does not exceed 1.5 mL
absorption slower than IM bc lower vascularization

Question 7

hypodermoclysis

Answer 7

infusion by subcutaneous route

Question 8

intraspinal

Answer 8

intrathecal: into subarachnoid space + cerebrospinal fluid
- bolus direct into CSF, continuous admin not recommended
- med have high potency than epidural (no membrane to cross)
epidural: into space at thoracic or lumbar between dura mater and vertebral canal
- bolus or continuous admin