MB24 Flashcards
(101 cards)
1
Q
It is derived from pyrolysis of castor oil.
a. Chlorine
b. Resorcinol
c. Undecylenic acid
d. Azelaic acid
e. Propionic acid
A
c. Undecylenic acid
2
Q
The ratio of disinfectant to the dilution of phenol
required to kill a given strain of the bacterium
Salmonella typhi
a. Phenol number
b. Phenol coefficient
c. Phenol value
d. None of the above
e. All of the above
A
b. Phenol coefficient
3
Q
An antagonist
i. Possess affinity
ii. Possess intrinsic activity
iii. Acetylcholine is an example
a. i
b. ii
c. i, ii
d. i, iii
e. i, ii, iii
A
a. i
4
Q
A basic drug most likely binds to?
a. Albumin
b. A-1-glycoprotein
c. Globulin
d. Fat
e. Any of the above
A
b. A-1-glycoprotein
5
Q
Most widely studied CYP450 enzyme
a. CYP3A4
b. CYP2D6
c. CYP1A2
d. CYP2C19
A
b. CYP2D6
6
Q
Lugol’s solution
A
5% I in water with KI
7
Q
Preservative in vials that causes gasping syndrome for neonates
a. Methylparaben
b. Propylparaben
c. Sorbic acid
d. Benzyl alcohol
e. Chlorobutanol
A
d. Benzyl alcohol
8
Q
S. noursei
a. Amphotericin B
b. Nystatin
c. Natamycin
d. Streptomycin
e. Vancomycin
A
b. Nystatin
9
Q
Fungistatic agent
a. Amphotericin B
b. Azoles
c. T erbinafine
d. Flucytosine
e. Griseofulvin
A
e. Griseofulvin
10
Q
Cephalosporin nucleus is composed of:
a. B lactam ring
b. B lactam ring + thiazolidine ring
c. B lactam ring + dihydrothiazine ring
d. B lactam ring + N-methylthiotetrazole ring
A
c. B lactam ring + dihydrothiazine ring
11
Q
Ethanolamine
a. Cyproheptadine
b. Chlorpheniramine
c. Promethazine
d. Cetirizine
e. Diphenhydramine
A
e. Diphenhydramine
12
Q
PGF2-alpha
a. Epoprostenol
b. Dinoprostone
c. Misoprostol
d. Latanoprost
e. None of these
A
Latanoprost
13
Q
Only ketone NSAID
a. Naproxen
b. Nabumetone
c. Ibuprofen
d. Mefenamic acid
e. Paracetamol
A
b. Nabumetone
14
Q
Rapid-acting insulin except:
a. Insulin Aspart
b. Insulin Lispro
c. Insulin NPH
A
c. Insulin NPH
15
Q
Biguanide
a. Metformin
b. Glimepiride
c. Pramlintide
d. Vildagliptin
e. Acarbose
A
a. Metformin
16
Q
Five-atom rule applies to:
a. Alpha blockers
b. Alpha agonists
c. Cholinergic blockers
d. Cholinergic agonists
A
d. Cholinergic agonists
17
Q
What is the use of undecylenic acid?
a. Disinfectant
b. Keratolytic
c. Anti-acne
d. Antifungal
A
d. Antifungal
18
Q
Bactericidal
a. Streptomycin
b. T etracycline
c. Azithromycin
d. Clindamycin
e. None of these
A
a. Streptomycin
19
Q
Amitriptyline → Nortriptyline
i. Demethylation
ii. Increase norepinephrine activity
iii. Increase serotonin activity
a. i
b. ii
c. i, ii
d. i, iii
e. i, ii, iii
A
c. i, ii
20
Q
1ˢᵗ Generation cephalosporin
A
Cefalexin
21
Q
Dieacteylmorphine
A
Heroin
22
Q
Methylmorphine
A
Codeine
23
Q
Match the antineoplastic drug to its associated
adverse effects
a. Ototoxocity
b. Cardiotoxicity
c. Hemorrhagic cystitis
d. Pulmonary toxicity
e. Myelosuppression
**Doxorubicin
A
b. Cardiotoxicity
24
Q
Match the antineoplastic drug to its associated
adverse effects
a. Ototoxocity
b. Cardiotoxicity
c. Hemorrhagic cystitis
d. Pulmonary toxicity
e. Myelosuppression
** Bleomycin
A
d. Pulmonary toxicity
25
Match the antineoplastic drug to its associated
adverse effects
a. Ototoxocity
b. Cardiotoxicity
c. Hemorrhagic cystitis
d. Pulmonary toxicity
e. Myelosuppression
** Cyclophosphamide
c. Hemorrhagic cystitis
26
Omega 6 polyunsaturated fatty acid
a. Linoleic acid
b. Linolenic acid
c. Oleic acid
d. Arachidonic acid
e. Palmitoleic acid
a. Linoleic acid
27
Formed by further oxidation of tertiary alcohol
a. Aldehydes
b. Ketones
c. Carboxylic acids
d. Esters
e. NOTA
e. NOTA - no reaction
28
HO = O — = O – OH
a. Succinic acid
b. Glutaric acid
c. Suberic acid
d. Sebacic acid
e. Azelaic acid
d. Sebacic acid
29
H3C = O — NH = O — NH
a. Thymine
b. Uracil
c. Guanine
d. Adenine
e. Cytosine
a. Thymine
30
Characteristics of unsaturated aliphatic
hydrocarbon
i. >1 covalent bond
ii. Nonstable
iii. Noncombustible
iv. sp3 hybridized
a.i, ii, and iii only
b. i, ii, and iv only
c. i, iii and iv only
d. AOTA
a.i, ii, and iii only
31
The figure is an example of:
d-tartaric acid / l-tartaric acid
a. Meso-compounds
b. Enantiomers
c. Diasteriomers
d. Anomers
e. Epimers
b. Enantiomers
• mirror
• NOT superimposable
32
Carboxylic acid + alcohol procedures a/an:
a. Amine
b. Amide
c. Ether
d. Ester
e. Anhydride
d. Ester
33
Most stable conformation of a six-membered
cycloalkane
a. Chair
b. Boat
c. Butterfly
d. Puckered
e. Planar
a. Chair
34
When they burn completely, hydrocarbons and
related oxygen-containing derivatives of
hydrocarbons produce water and
a. CO
b. CO₂
c. Smoke
d. SO₂
e. None of these
b. CO₂
35
Test for unsaturated
a. Iodine test
b. Bayer’s test
c. Lucas test
d. A and B
e. A and C
d. A and B
36
Aldehydes and Ketone upon reaction with a
Grignard reagent will form:
a. No reaction
b. Carboxylic acid
c. Alcohols
d. Alkanes
e. Alkenes
c. Alcohols
37
Match the following
a. Ether
b. Ester
c. Amine
d. Ketone
e. Amide
** R–CONH₂
e. Amide
38
Bond angle of sp3 hybridized carbon
a. 180°
b. 120°
c. 109.5°
d. 90°
e. None of these
c. 109.5°
39
Match the following
a. Ether
b. Ester
c. Amine
d. Ketone
e. Amide
** RCOR
d. Ketone
40
Lidocaine
a. Ester local anesthetic
b. Amide local anesthetic
c. Ester inhalational anesthetic
d. Amide inhalational anesthetic
e. None of the above
b. Amide local anesthetic
41
Match the following
a. Ether
b. Ester
c. Amine
d. Ketone
e. Amide
** ROR
a. Ether
42
Determine the hybridization of the encircled
carbon:
H—(C)=C—H
a. sp3
b. sp2
c. sp
d. Sp4
e. None of these
c. sp
43
Determine the type of isomer of the given structure based on the Cahn Ingold Prelog Sequence
a. R isomer
b. S isomer
c. Cis isomer
d. Trans isomer
e. None of these
e. None of these
44
Addition of heat to an endothermic system will
shift the equilibrium to the right. Addition of a
common ion to a salt solution will shift the equilibrium to the left.
a. Only the first statement is true
b. Only the second statement is true
c. Both statements are true
d. Both statements are false
c. Both statements are true
45
Properties that increase across a period from left to right.
i. Electronegativity
ii. Atomic radius
iii. Metallic property
iv. Electron affinity
v. Ionization energy
a. i, ii, v
b. i, iv, v
c. ii, iv
d. i, iii
e. None of these
b. i, iv, v
46
Weak acid + Weak base
a. Acidic
b. Neutral
c. Basic
d. A and C
e. AOTA
e. AOTA
47
No two electrons in the same atom may have
identical sets of all four quantum numbers.
a. Aufbau principle
b. Hund’s rule
c. Pauli’s exclusion principle
d. Schrodinger theory
e. None of these
c. Pauli’s exclusion principle
48
The general type of system that allows neither
energy nor matter to be transferred
a. Open
b. Closed
c. Adiabatic
d. Isolated
e. None of these
d. Isolated
49
Metal oxides are
a. Acidic
b. Basic
c. Neutral
d. Cannot be determined
b. Basic
50
Salt formers
Halogens
51
What is the maximum number of electrons that can be accommodated in the d subshell?
a. 2
b. 6
c. 10
d. 14
e. 18
c. 10
52
Solution with the same osmotic pressure as body fluids.
a. Isotonic
b. Isosmotic
c. Isobaric
d. Isomeric
e. Isochoric
a. Isotonic
53
Talc possesses a non-adsorbent property. For this reason, it pharmaceutically functions as:
a. Lubricant
b. Filtering aid
c. Dusting powder
d. Clarifying agent
e. Abrasive
b. Filtering aid
54
How is the negative log of the acid dissociation
constant expressed?
a. pH
b. pKa
c. 1/pKa
d. pKb
e. 1/pKb
b. pKa
55
The law stating that the volume of a fixed quantity of gas maintained at constant temperature is inversely proportional to the pressure
a. Gay-Lussac’s Law
b. Boyle’s / Marriott’s Law
c. Charle’s Law
d. Ideal Gas Law
e. Avogadro’s Law
b. Boyle’s / Marriott’s Law
56
It exhibits the optiocal property known as Tyndall effect
a. Emulsion
b. Colloid
c. Suspension
d. Solution
e. Plasma
b. Colloid
57
Determine the number of protons
K19
a. 19
b. 39.0983
c. 20
d. 1
a. 19
58
Proton-based theory of acids and bases
a. Arrhenius
b. Lewis
c. Pearson
d. Bronsted-Lowry
d. Bronsted-Lowry
59
When the Gibbs free energy is negative, the
forward reaction is
a. Spontaneous
b. Non-spontaneous
c. At equilibrium
d. Cannot be determined
a. Spontaneous
60
Where does oxidation occurs
Anode
61
Strong acids except
a. HBr
b. H₂SO₄
c. HNO₃
d. H₃PO₄
e. None of these
d. H₃PO₄
62
Color produced when Sodium is subjected to the
flame test as viewed under the cobalt glass
a. Nil
b. Crimson
c. Purple
d. Light green
e. Bluish green
a. Nil
63
Darrow’s solution
a. NaCl + KCl + CaCl₂ + H₂O
b. NaCl + KCl + Na lactate + H₂O
c. NaCl + KCl + CaCl₂ + Na lactate + H₂O
d. NaCl + CaCl₂ + Na lactate + H₂O
e. NaCl + KCl + NH₄Cl + H₂O
b. NaCl + KCl + Na lactate + H₂O
64
It is also known as the Lewisite Metal
a. Arsenic
b. Antimony
c. Bismuth
d. Aluminum
e. Cobalt
a. Arsenic
65
Second most predominant cation in the
extracellular matrix
a. Magnesium
b. Potassium
c. Sodium
d. Calcium
e. Strontium
d. Calcium
66
A type of natural/mineral water that is characterized by its ferruginous taste.
Chalybeate water
67
Which glass property enhancer is described: “It
increases the refractive index of glass”
a. MnO₂
b. Potassium
c. Lead
d. Boron (as Borates)
e. Rare earths
c. Lead
68
The only non-mixture substance that can dissolve gold
a. Selenic acid
b. Sal sedativum
c. Sal volatile
d. Eau forte
e. Eau royale
a. Selenic acid
69
Match the gas with the associated color of container:
a. Black
b. Green
c. Blue
d. Gray
e. Brown
** Nitrogen
a. Black
70
Match the gas with the associated color of container:
a. Black
b. Green
c. Blue
d. Gray
e. Brown
** Nitrous oxide
c. Blue
71
Colligative properties depend on the depend on the number of particles in a solution. When a solute is added to a solution, what are to be expected?
a. Elevation of vapour pressure and freezing point while boiling point declines
b. Lowering of vapour pressure, freezing, and boiling point
c. Elevation of vapour pressure, freezing, and boiling point
d. Lowering of vapour pressure and freezing point while boiling point elevates
e. Osmotic pressure is only affected
d. Lowering of vapour pressure and freezing point while boiling point elevates
72
Goulard’s extract
a. Lead acetate
b. Lead sulfate
c. Lead sulfide
d. Lead tartrate
e. Lead monoxide
a. Lead acetate
73
Copper poisoning
a. Hemochromatosis
b. Wilson’s disease
c. Menke’s disease
d. Parakeratosis
e. Metal fume fever
b. Wilson’s disease
74
Universal antidote
Magnesium oxide, Activated charcoal, Tannic
acid (1:2:1)
75
Differentiating test for Citrates and Tartrates
a. Denige’s test
b. Griess-Ilosvay test
c. Brown-ring test
d. Marsh T est
e. Barfoed T est
a. Denige’s test
76
Intermolecular forces of attraction between the hydrogen of one water molecule to the oxygen of another water molecule:
a. London forces
b. Keesom forces
c. Debye forces
d. Dipole-Dipole forces
e. Hydrogen bonding
e. Hydrogen bonding
77
HCl + NaOH produces what type of salt?
a. Neutral salt
b. Acidic salt
c. Basic salt
d. Weak sal
e. No reaction
a. Neutral salt
78
Product when Na reacts with LiCl
a. NaCl
b. NaLi
c. Evolution of gas
d. Explosion
e. No reaction will occur
e. No reaction will occur
79
When a non-volatile solute is added to a volatile solvent, the solution vapor pressure _____, the boiling point _____, the freezing point _____, and the osmotic pressure _____.
Decreases, increases, decreases, increases
80
A sample of copper weighing 6.93 g contains how many moles of Cu atoms? (Cu = 63.55 g/mol)
0.109 mol
81
Body temperature is about 308K. On a cold day,
what volume of air at 273K must a person with a lung capacity of 2.00L breathe in to fill the lungs? This situation is governed by which gas law?
Charle’s Law
82
Oxidation
i. Loss of electrons
ii. ↓ oxidation state
iii. dehydrogenation
iv. MnO₄ → MnO₂
a. i, ii
b. ii, iii
c. i, iii
d. i, ii, iii
e. i-iv
c. i, iii
83
The following are true intrinsic property:
i. Those that depend on the mass of a substance
ii. Ratio of two extrinsic properties
iii. Qualities that are not characteristic of the
substances itself
iv. T aste is an example
a. i, iii
b. ii, iv
c. i, ii, iv
d. iii
e. i-iv
b. ii, iv
84
A deliquescent salt:
i. Absorb water
ii. Dissolves
iii. Lower melting point
a. i
b. ii
c. i, ii
d. iii
e. i-iii
c. i, ii
85
Which of the following statements is/are correct?
i. The higher the Ka, the stronger the acid
ii. The higher the Ka, the higher the pKa
iii. A change in pH of an acidic solution will also cause a change in pKa
iv. A more soluble salt would have a higher Ksp
a. i and iii
b. i and iv
c. ii and iv
d. iii and ii
b. i and iv
86
Mask blue green color of Fe in silica.
NONE
87
Which of the following possesses the higher bond energy?
a. C–H
b. C=H
c. C≡C
d. C–C
e. None of these
c. C≡C
88
The sole acid that can dissolve gold:
a. HCl
b. HNO₃
c. Selenic acid
d. Aqua regia
e. All of the these
c. Selenic acid
89
Choose from the following choices:
a. Solvay process
b. Dow process
c. Haber’s process
d. Frasch process
e. Messerchmidt process
** Magnesium
b. Dow process
90
Choose from the following choices:
a. Solvay process
b. Dow process
c. Haber’s process
d. Frasch process
e. Messerchmidt process
** Hydrogen
e. Messerchmidt process
91
Which of the following is correctly paired
i. Blue vitriol – Cupric sulfate heptahydrate
ii. Glauber salt – Sodium sulfate decahydrate
iii. Green vitriol – Ferric sulfate heptahydrate
iv. Borax – Sodium Tetraborate decahydrate
a. i, ii, iii
b. i, iii
c. ii, iv
d. AOTA
e. NOTA
c. ii, iv
92
Choose from the following choices
a. Zn
b. Cr
c. Fe
d. Li
e. Al
** Element present in insulin
a. Zn
93
Choose from the following choices
a. Zn
b. Cr
c. Fe
d. Li
e. Al
** Treatment of manic and hypomanic states
d. Li
94
Reduction of aldehyde will form
Primary alcohol
95
Lucas test is used as a differentiating test in
alcohols. What classification of alcohol has the
highest reactivity to Lucas reagent?
Tertiary alcohol
96
2-propanol, when initially oxidized, will yield a/an
Ketone
97
Match the gas with the associated color of container:
a. Black
b. Green
c. Blue
d. Gray
e. Brown
** Helium
e. Brown
97
The molecular formula C6H12 is an
Alkene
98
1,3,7-trimethylxanthine is:
Caffeine
99
Refer to the following choices
a. S. mediterranei
b. S. orientalis
c. S. nodosus
d. S. noursei
e. S. venezuela
** Chloramphenicol
e. S. venezuela
100
Refer to the following choices
a. S. mediterranei
b. S. orientalis
c. S. nodosus
d. S. noursei
e. S. venezuela
** Amphotericin B
c. S. nodosus
