DP Chemistry (first assessment 2025)

Test builder »

Question 23M.2.SL.TZ2.14

Select a Test
Date May 2023 Marks available [Maximum mark: 2] Reference code 23M.2.SL.TZ2.14
Level SL Paper 2 Time zone TZ2
Command term Outline Question number 14 Adapted from N/A
14.
[Maximum mark: 2]
23M.2.SL.TZ2.14

Outline how these drug administration methods affect bioavailability.

 

Oral: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

 

Intravenous:  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

 

[2]

Markscheme

Oral:
low/lower «bioavailability» AND drugs pass through digestive system «and breakdown» ✓

Intravenous:
high/higher «bioavailability» AND «more» direct route to bloodstream ✓

 

Accept “low/lower AND drugs not easily absorbed from digestive system”
OR
“low/lower AND drugs broken down in digestive system”
OR
“low/lower AND drugs affected by acid” for M1.

Do not penalize use of “slow” for “low/lower” or “fast” for “high/higher”.

Accept “100 % bioavailability” for “high/higher” within Intravenous answer in M2.

Award [1 max] for “oral drugs have slower absorption/distribution than intravenous drugs”
OR
“Oral: low/lower «bioavailability» AND intraveneous: high/higher «bioavailability»”.