Elements/Compounds
30. Heavy-metal poisoning can be treated with:
a. Topical steroids
b. Antihistamines
c. Chelating agents
d. Metal-cation debuffers
c. Chelating agents
The toxin this spider produces is:
A. Diamphotoxin
B. Cantharidin
C. Latrotoxin
D. Sphingomyelinase
C. Latrotoxin
Which is the safest way to dilute concentrated acids? A. Pour water into acid slowly B. Pour acid into water slowly C. Add acid and water simultaneously D. Heat acid first, then add water
B. Pour acid into water slowly
The common names for H2O2 and CH₃COOH.
Hydrogen peroxide H2O2
Acetic acid/vinegar CH₃COOH
A mixture of rubbing alcohol and water is:
a. Homogenous
b. Can be physically filtered
c. Heterogenous
d. Can be separated with gravity
a. Homogenous
Which poisonous metal was once used in thermometers and is now largely phased out due to health risks?
A. lead
B. Mercury
C. Cadmium
D. Chromium
B. Mercury
5. This toxin (Latrotoxin) is considered a
A. Cardiotoxin
B. Neurotoxin
C. Hemotoxin
D. Cytotoxin
B. Neurotoxin
Multiselect: Which outcomes indicate a chemical change? (Select All that Apply)
A. Gas produced B. Precipitate formed C. Color change D. Melting of ice
A. Gas produced
B. Precipitate formed
C. Color change
Should you be concerned that H2O2 and CH3COOH are mixing? Why?
Yes. Combination of H2O2 and vinegar form a highly corrosive product. It can cause irritation.
A solution has a pH of 12. It is most likely: A. Vinegar B. Ammonia C. Lemon juice D. Hydrogen peroxide
B. Ammonia
Which of the following represents a covalent bond? A. NaCl B.H2O C. CaCl, D. KBr
B.H2O
What receptors does this toxin bind to?
A. EGFRand IL6R
B. Photoreceptors
C. Vomeronasal receptors
D. Neurexins and latrophilins
D. Neurexins and latrophilins
Multiselect: Which lab methods are commonly used in Potions & Poisons? (Select All that Apply) A. Chromatography B. Serial dilution C. Flame emission spectroscopy D. Conductivity testing
A. Chromatography B. Serial dilution D. Conductivity testing
The common name for Sodium Hypochlorite
Bleach
Which of the following toxins is secreted by the cane toad? A. Tefrodotoxin B. Bufotoxin C. Ricin D. Cyanide
B-Bufotoxin
Which element shown is a heavy metal toxin commonly found in old pipes? A.Pb B. Hg C.Cu D.Fe
A.Pb
Pick one: The blue ringed octopus is poisonous/venomous.
The toxin produced is called:
A. Tetrodotoxin B. Lophotoxin C. Trimethylamine oxide D. Homobatrachotoxin
venomous
A. Tetrodotoxin
How does bioaccumulation make mercury especially dangerous in aquatic ecosystems
Mercury accumulates in fish tissue, magnifies up the food chain, harming predators including humans.
Bleach's chemical formula
NaClO
Balance this chemical equation: ___ Al+___ O2 — ___ Al2O3
4 Al+3 O2 — 2 Al2O3
Which of these is an example of a mixture? A. Distilled water B. Table salt C. Air D. Carbon dioxide
C. Air
The blue ringed octopus produces toxin in its:
A. Suction cups B. Saliva C. Ink sac D. Crop
True/false: This toxin targets the same general cell type as the black widow’s toxin.
True/false: The LD50 of this toxin is less than that of cyanide.
B. Saliva
True
True
Describe how you would separate sand and salt from a mixture using lab techniques.
Dissolve salt in water, filter sand, then evaporate water to recover salt.
For the following compounds, what is produced when they are mixed with sodium hypochlorite? Your answer should include the common name of the product (extra credit for chemical formula).
a. Isopropyl alcohol
b. Acetic acid
c. NH3
a. Chloroform (CHCl3)
b. Chlorine gas (Cl2)
c. Chloramine (NH2Cl)
Multiselect: Which of the following are effects of frog skin alkaloids? (Select All that Apply)
A. Paralysis B. Cardiac effects C. Mild rash D. Hallucinations
A. Paralysis B. Cardiac effects D. Hallucinations