PCAM 2024/2025 Exam Comprehensive
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First person to coin "alkaloid" date - 🧠ANSWER ✔✔Meissner 1818
Over ____ alkaloids discovered from how many families - 🧠ANSWER
✔✔Over 10k alkaloids discovered from 00 plant families
Most important alkaloids are - 🧠ANSWER ✔✔BASIC
Who discovered morphine - 🧠ANSWER ✔✔German pharmacists, Friedrich
Wilhelm Adam Sertürner, discovered
opium's main narcotic principle, morphine
T/F free alkaloids are more stable than salts and are more common -
🧠ANSWER ✔✔False- salts are more common and more stable -- salts are
usually soluble in water
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,Most alkaloids (basic ones) when administered orally will form ___ and
_____ - 🧠ANSWER ✔✔will form salts and not be readily absorbed in
stomach
Name a non-basic alkaloid that is absorbed in the stomach - 🧠ANSWER
✔✔Caffeine
IV alkaloids are usually administered as - 🧠ANSWER ✔✔salts
Caffeine 2 main effects - 🧠ANSWER ✔✔CNS stimulant, diuretic
Theobromine 2 main effects and lack of effect - 🧠ANSWER ✔✔diuretic, SM
muscle relaxant, little CNS activity
Percentages of caffeine products (natural) - 🧠ANSWER ✔✔Coffee seeds
1-2%
Decaffeinated coffee seed up to 0.08%
Cocoa 0.07- 0.2 %
Black Tea leaves 1-4%
Percentages of theobromine products - 🧠ANSWER ✔✔Theobromine
• Cocoa beans 1-4% Theobromine
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
, Mgs of caffeine in drinks - 🧠ANSWER ✔✔Cup (6 oz.) espresso coffee: 310
mg
Cup (6 oz.) boiled coffee: 100 mg
Cup (6 oz.) instant coffee: 65 mg
Cup (6 oz.) tea: 10-50 mg
Can (6 oz.) Coca cola: 20 mg
Can (6 oz.) Pepsi cola: 10 mg
LD50 for caffeine - 🧠ANSWER ✔✔150 to 200 milligrams
per kilogram
(reports of death after 2g)
nicotine comes from what plant - 🧠ANSWER ✔✔Nicotiana tabacum
(Solanacea family)
Nicotine in other solanacea outside of tobacco - 🧠ANSWER ✔✔Nicotine is
present in tomatoes, potatoes, and peppers in
the range of 2−7 µg/kg for fresh fruits. The nicotine
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 3
STATEMENT. ALL RIGHTS RESERVED
Questions and Verified Answers |
Accurate Solutions | Get it 100%
Correct!! | Already Graded A+
First person to coin "alkaloid" date - 🧠ANSWER ✔✔Meissner 1818
Over ____ alkaloids discovered from how many families - 🧠ANSWER
✔✔Over 10k alkaloids discovered from 00 plant families
Most important alkaloids are - 🧠ANSWER ✔✔BASIC
Who discovered morphine - 🧠ANSWER ✔✔German pharmacists, Friedrich
Wilhelm Adam Sertürner, discovered
opium's main narcotic principle, morphine
T/F free alkaloids are more stable than salts and are more common -
🧠ANSWER ✔✔False- salts are more common and more stable -- salts are
usually soluble in water
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
,Most alkaloids (basic ones) when administered orally will form ___ and
_____ - 🧠ANSWER ✔✔will form salts and not be readily absorbed in
stomach
Name a non-basic alkaloid that is absorbed in the stomach - 🧠ANSWER
✔✔Caffeine
IV alkaloids are usually administered as - 🧠ANSWER ✔✔salts
Caffeine 2 main effects - 🧠ANSWER ✔✔CNS stimulant, diuretic
Theobromine 2 main effects and lack of effect - 🧠ANSWER ✔✔diuretic, SM
muscle relaxant, little CNS activity
Percentages of caffeine products (natural) - 🧠ANSWER ✔✔Coffee seeds
1-2%
Decaffeinated coffee seed up to 0.08%
Cocoa 0.07- 0.2 %
Black Tea leaves 1-4%
Percentages of theobromine products - 🧠ANSWER ✔✔Theobromine
• Cocoa beans 1-4% Theobromine
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
, Mgs of caffeine in drinks - 🧠ANSWER ✔✔Cup (6 oz.) espresso coffee: 310
mg
Cup (6 oz.) boiled coffee: 100 mg
Cup (6 oz.) instant coffee: 65 mg
Cup (6 oz.) tea: 10-50 mg
Can (6 oz.) Coca cola: 20 mg
Can (6 oz.) Pepsi cola: 10 mg
LD50 for caffeine - 🧠ANSWER ✔✔150 to 200 milligrams
per kilogram
(reports of death after 2g)
nicotine comes from what plant - 🧠ANSWER ✔✔Nicotiana tabacum
(Solanacea family)
Nicotine in other solanacea outside of tobacco - 🧠ANSWER ✔✔Nicotine is
present in tomatoes, potatoes, and peppers in
the range of 2−7 µg/kg for fresh fruits. The nicotine
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 3
STATEMENT. ALL RIGHTS RESERVED
