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Halloween Escape: Scary Calculations
Christy Manavath-Elamthottam
Created on September 4, 2024
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halloween escape: Scary Calculations
Get all the candy!
start
escape halloween
You've got your pumpkin ready for the spookiest night of the year. Your mission: navigate through five haunted houses, solve their riddles, and amass a bone-chilling treasure trove of candy. 🎃👻🍬
go!
Go house to house!
Candy obtained
🔒
🔒
🔒
🔒
Witch's house
Alert! Witches nearby! Dare to knock?
knock
11.85
11.09
1/3
What is the pH of a buffer solution prepared with 0.05 M ammonia (pKb = 4.74) and 0.005 M ammonium chloride?
8.53
10.26
knock
knock
7.37
8.69
2/3
The dissociation constant of lactic acid is 1.38 x 10^-4 at 25C. Calculate its pKb.
10.14
9.56
Cult
Tribe
3/3
What do you call a group of witches?
Coven
Bevy
Spooktacular!
You've passed the first test and scored some candy. Keep it up!
Candy obtained
continue
Go to the next house!
Candy obtained
🔒
🔒
🔒
✔️
House of the Wolf
A wolf is on the loose! Got the guts to knock?
knock
96.3 mg
1/4
How many milligrams of sodium chloride may be used in the preparation of a 15-mL eye drop containing 1% tropicamide and 0.5% chlorobutanol to render the solution isotonic with tears? (E-value of tropicamide = 0.09, chlorobutanol = 0.24)
165.3 mg
128.4 mg
103.5 mg
knock
knock
12.43 mL
2/4
Calculate how many mL of boric acid are needed to compound the following prescription: (E-value of boric acid = 0.52; E-value for cromolyn = 0.14) Cromolyn sodium 0.5 g Boric acid 10% qs Purified water ad 100 mL Make isotonic solution Sig: 1 gtt OD BID
15.96 mL
21.38 mL
30.92 mL
543 mg
708 mg
658 mg
623 mg
3/4
How many milligrams of NaCl are needed to prepare 100 mL of a 1% naphazoline hydrochloride solution (Tf = 0.16) that is isotonic?
France
4/4
Where did actual werewolf trials begin?
China
United States
Switzerland
Awesome!
You've outsmarted the wolf, and your candy bag grows.
Candy obtained
continue
Go to the next house!
Candy obtained
✔️
🔒
🔒
✔️
Frankenstein's House
An electrifying house, are you up for it? ⚡
knock
115 mL
1/4
A medication order calls for an IV infusion of calcium chloride 20 grams to be added to 250 mL of NS. The pharmacy has available calcium chloride 4 mEq/mL. How many mL of calcium chloride must be used to prepare the admixture? (MW of calcium chloride = 147 g/mol)
47 mL
68 mL
96 mL
400 mg
2/4
How many milligrams of magnesium sulfate (MW 120 g/mol) should be added to an IV solution to provide 5 mEq of Mg2+ per liter?
250 mg
300 mg
350 mg
55.3 mEq
3/4
An antacid liquid contains 520 mg of calcium carbonate in each teaspoonful dose. If a patient takes 2 tsp after every meal, how many mEq of calcium is she receiving per day assuming she eats 3 meals/day?
38.5 mEq
62.4 mEq
40.9 mEq
Franz Kafka
4/4
Who was the author of "Frankenstein"?
Edgar Allen Poe
Mary Shelley
Ann Radcliffe
You rock!
You've unraveled the mysteries of Frankenstein and scored more candy.
Candy obtained
continue
Go to the next house!
Candy obtained
✔️
✔️
🔒
✔️
House of the Mummy
A mummy in the house! Shall we?
knock
547.92 mOsm/L
1/4
A solution contains 12% glucose. Convert the concentration to mOsm/L (MW = 180 g/mol).
337.73 mOsm/L
512.63 mOsm/L
666.67 mOsm/L
knock
knock
903.1 mmol
2/4
How many mmoles of NaCl are present in 500 mL of a 15% w/v NaCl solution? (MW of NaCl = 58.5 g/mol)
513.7 mmol
1,282.1 mmol
789.6 mmol
6,000 mOsm/L
3/4
Calculate the osmolarity in mOsm/L of a parenteral solution containing 2 mEq/mL of potassium acetate (MW = 98 g/mol)
4,000 mOsm/L
4,500 mOsm/L
5,200 mOsm/L
20 days
4/4
How long does the mummification process take?
70 days
90 days
30 days
Fantastic!
You've unraveled the mummy's secrets and bagged more candy.
Candy obtained
continue
There is only one house left!
Candy obtained
✔️
✔️
✔️
✔️
Dracula's house
Last stop, Dracula's House! Do we dare?
knock
1/4
Calcium chloride (CaCl2) is a 3-ion electrolyte that dissociates 60% in solution. Calculate its dissociation factor.
1.8
2.2
2.8
3.6
knock
knock
2/3
If a liter of an IV fluid contains 5% dextrose and 34 mEq of sodium chloride, calculate percent strength of NaCl in solution.
0.9%
0.8%
0.4%
0.2%
3/4
Estimate the plasma osmolality: Sodium 146 mEq/L, K 4.8 mEq/L, BUN 23 mg/dL, and glucose 134 mg/dL
280.15 mOsmol/kg
292.84 mOsmol/kg
307.66 mOsmol/kg
313.92 mOsmol/kg
4/4
The term "Dracula" translated in Romanian means --
Vampire
Undead
Dragon or devil
Blood sucker
You're a legend!
You've bested the one and only Dracula, and your candy bag is bursting.
Candy obtained
continue
You did it!
Your journey has been fang-tastically amazing, and your candy haul is out of this world!
Are you sure you want to go out?
If you exit you will return to the start of the game and you will lose your progress