BSW 2024 TAIPING

Local anaesthesia produces an irreversible loss of sensation

• NO

• YES

Which portion of the nerve does local anaesthesia (LA) work on?

• NEURON

• NERVE MEMBRANE

• DENDRITES

• MYELINATED SHEATH

The concentration of epinephrine that is optimal for hemostasis is what?

• 1:5000

• 1:500

• 1:200

• 1:200000

All of the following are reasons to include a vasoconstrictor, EXCEPT one.  Which one is the EXCEPTION?

• LOWER BLOOD FLOW TO INJECTION SITE

• INCREASE ANAESTHETIC BLOOD LEVEL

• LOWER ANAESTHETIC TOXICITY

• IMPROVED FIELD OF VISION

•  

  The antioxidant used to preserve epinephrine in a local anesthetic solution is:

• SODIUM BISULFATE

• SODIUM BICARBONATE

• SODIUM CHLORIDE

• SODIUM HYDROCHLORIDE

Name the 4 phases of tissue repair according to Bailey’s

• INFLAMMATORY

• COAGULATION

• FIBROPLASIA

• REMODELLING

The role of collagen is

• CELL ADHESION

• STRENGTH AND SUPPORT

• LOCOMOTION

• EXPANSION AND CONTRACTION

What is the maximum strength of a scar versus the unwounded skin?

• 60%

• 25%

• 80%

• 70%

What is known as delayed primary wound healing?

• PRIMARY INTENTION

• TERTIARY INTENTION

• NONE OF ABOVE

• SECONDARY INTENTION

WHICH OF THE FOLLOWING IS A FALSE STATEMENT REGARDING WOUND HEALING

• HEMOSTASIS :

  IMMEDIATE

• INFLAMMATION:

  DAY 1 TO 3

• MATURATION AND REMODELLING :

  IMMEDIATE

• PROLIFERATION: DAY 2 - WEEK 6