MODULE 1 - MB2

C

This method of separation makes use of the

differences in solvent affinity.

A. Decantation

B. Evaporation

C. Chromatography

D. Distillation

B

Electrolysis of water to form hydrogen and

oxygen molecules

A. Physical change

B. Chemical change

C. Substitution

D.Evaporation

A

These are different elements with the same

number of protons.

A. Isotopes

B. Isobars

C. Isotones

D. Isomers

A

An atom cannot have 2 electrons in the

same energy level or orbital that have the

same set of quantum numbers.

A. Pauli's exclusion principle

B. Heisenberg uncertainty principle

C. Hund's rule of maximum multiplicity

D. Aufbau principle

B

It gives the spatial orientation of the

electron cloud with respect to the three

areas in space.

A. Spin quantum number

B. Magnetic quantum number

C. Principal quantum number

D. Azimuthal quantum number

B

Which of the following is the major

extracellular cation?

A. K+

B. Na+

C. Mg+2

D. Ca+2

C

Which of the following is not part of the

triads?

A. Fe

B. Co

C. Mn

D. Ni

B

Choose the odd one out.

A. Zinc

B. Beryllium

C. Cadmium

D.Mercury

D

Arrange the following elements in order of

increasing electronegativity.

A. Br < Cl < I < F

B. Cl < I < Br < F

C. F < Cl < Br < I

D. I < Br < Cl < F

A

This element is the lightest metal.

A. Lithium

B. Aluminum

C. Magnesium

D. Hydrogen

A

Which of the following elements melts at

over 100oC?

A. Lithium

B. Sodium

C. Potassium

D. Rubidium

A

Amphoteric elements

I. Beryllium III. Aluminum

II. Zinc IV. Calcium

A. I, II, III

B. I, II, IV

C. II, III, IV

D. I, II, III, IV

D

This refers to elements that exist in two or

more crystalline forms.

A. Amphoteric

B. Polymorphs

C. Amorphous

D. Allotropes

A

Which allotrope of phosphorus is

synthesized by heating white phosphorus

at 200oC under a pressure of 12,000 atm?

A. Black phosphorus

B. White phosphorus

C. Red phosphorus

D.Yellow phosphorus

B

According to the collision theory, which of

the following factors can affect the rate of

reaction?

A. Temperature, surface area, pressure,

presence of catalyst, concentration

B. Physical state, surface area, temperature,

presence of catalyst, concentration

C. Physical state, surface area, volume

D. Temperature, pressure, volume

A

When a stress is applied to a system in

equilibrium, the equilibrium shifts to

relieve the stress.

A. Le Chatelier's principle

B. Law of mass action

C. Law of definite proportions

D. Raoult's law

A

Which of the following is true about bases?

A. Can turn red litmus paper to blue

B. Can turn blue litmus paper to red

C. Can turn red litmus paper to purple

D. No reaction with litmus paper

A

Which of the following is not a polyprotic

acid?

A. Acetic acid

B. Carbonic acid

C. Phosphoric acid

D. Sulfuric acid

D

The entropy of a pure, perfect crystalline

substance at absolute zero is zero.

A. Zeroth law of thermodynamics

B. First law of thermodynamics

C. Second law of thermodynamics

D. Third law of thermodynamics

C

Radiation which has no mass and no

charge but has excellent penetrating

power

A. Alpha

B. Beta

C. Gamma

D. X-ray

A

By up to how many centimeters can beta

radiation penetrate the tissue?

A. 1

B. 10

C. 100

D. 1,000

A

How do radioisotopes decay?

A. Randomly

B. Rapidly

C. Slowly

D. At the same rate

A

Position 1, 2

A. Ortho

B. Meta

C. Para

D. NOTA

D

What is the product when an alkene reacts

with HI?

A. Alcohol

B. Aldehyde

C. Amine

D. Alkyl halide

B

Which of the following is the starting point

for the synthesis of p-bromonitrobenzene?

A. Toluene

B. Bromobenzene

C. o-Bromonitrobenzene

D.m-Bromonitrobenzene

A

Pyridoxine

A. Alcohol

B. Aniline

C. Amine

D. Aldehyde

B

Acetaminophen

A. Pyrazolone

B. Aniline

C. Salicylate

D. NOTA

A

QGlycerin

A. Alcohol

B. Aniline

C. Amine

D. Aldehyde

A

Which of the following statements are true

about stereoisomers?

I. They do not differ in the order of their

atoms.

II. They differ in the order and kind of

atoms.

III.They differ in the spatial arrangement of

their atoms.

IV.They do not differ in their configuration.

A. I, III

B. I, IV

C. II, III

D. II, IV

A

Which analytical method is used to

determine the conformation of organic

molecules?

A. Nuclear Magnetic Resonance

B. Potentiometry

C. Mass spectrophotometry

D. Polarimetry

C

Which of the following statements are true

about cis- and trans- isomers?

I. Occurs only in organic compounds.

II. Occurs in both organic and inorganic

compounds.

III.Trans-alkenes have lower solubility in

inert solvents than their cis counterparts.

IV.Cis- and trans-isomers often have

different physical properties.

A. I, II, III

B. I, II, IV

C. II, III, IV

D. I, II, III, IV

D

Stereoisomers that are non-mirror images

A. Structural isomers

B. Cis-Trans isomers

C. Enantiomers

D. Diastereomers

C

Which of the following are epimers?

A. D-glucose and L-glucose

B. D-mannose and D-galactose

C. D-glucose and D-galactose

D. Glucose and Fructose

A

The process in which an optically active

compound is changed into an optically

inactive compound

A. Racemization

B. Epimerization

C. Hydrolysis

D. Oxidation

C

The method of preparation of this

pharmaceutical product must be reflected

in the label.

A. Sterile water for injection USP

B. Bacteriostatic water for injection USP

C. Purified water USP

D.Milk of magnesia

C

Which lithium salts are used as antimanic?

I. Lithium aspartate

II. Lithium citrate

III.Lithium carbonate

IV.Lithium oxalate

A. I, III

B. I, IV

C. II, III

D. II, IV

B

37. This element came from the Greek word

which means "stones."

A. Technetium

B. Lithium

C. Sulfur

D. Beryllium

D

This sodium salt is used as an electrolyte

replenisher in cases of dehydration.

A. Sodium carbonate

B. Sodium iodide

C. Sodium sulfate

D. Sodium chloride

B

Sal volatile

A. Sodium bicarbonate

B. Ammonium carbonate

C. Ammonium chloride

D. Calcium carbonate

B

Which of the following elements can be

used to treat rheumatoid arthritis?

A. Copper

B. Gold

C. Silver

D. NOTA

A

Magnesia

A. Magnesium oxide

B. Magnesium carbonate

C. Magnesium sulfate

D.Magnesium hydroxide

D

Selenite

A. Calcium carbonate

B. Calcium fluoride

C. Magnesium silicate

D. Calcium sulfate dihydrate

A

This element is present in carbonic

anhydrase.

A. Zinc

B. Iron

C. Copper

D. Cobalt

C

Amalgams are alloys of which of the

following metals?

A. Zinc

B. Cadmium

C. Mercury

D. Cobalt

A

Eka-boron

A. Scandium

B. Gallium

C. Technetium

D. Germanium

B

Attapulgite

A. Native hydrous magnesium silicate

B. Hydrous magnesium aluminum silicate

C. Native colloidal aluminum silicate

D. Native hydrous aluminum silicate

C

Bentonite

A. Native hydrous magnesium silicate

B. Hydrated magnesium aluminum silicate

C. Native colloidal aluminum silicate

D. Native hydrous aluminum silicate

D

Kaolin

A. Native hydrous magnesium silicate

B. Hydrated magnesium aluminum silicate

C. Native colloidal aluminum silicate

D. Native hydrous aluminum silicate

D

Which of the following is used as a

defoaming agent?

A. Kaolin

B. Bentonite

C. Talc

D. Simethicone

B

This compound is found in sunblock

preparations as a solar-ray protective.

A. Barium sulfate

B. Titanium dioxide

C. Sodium nitrate

D. Antimony Potassium Tartrate

C

This gas is used as a preservative in

oxidation-prone food preparations.

A. Helium

B. Oxygen

C. Nitrogen

D. Carbon dioxide

A

Oil of vitriol

A. Sulfuric acid

B. Ferrous sulfate

C. Cupric sulfate

D.Zinc sulfate

D

Which of the following gases catalytically

destroys the ozone barrier?

A. Oxygen

B. Nitrogen

C. Carbon

D. Chlorine

C

What is the color of anhydrous cobalt

chloride?

A. Red

B. Pink

C. Blue

D. Green

C

Magnetite

A. CuFeS2

B. MnO2

C. Fe3O4

D.Fe2O3

B

Pyrolusite

A. CuFeS2

B. MnO2

C. Fe3O4

D.Fe2O3

A

Chalcopyrite

A. CuFeS2

B. MnO2

C. Fe3O4

D.Fe2O3

D

Hematite

A. CuFeS2

B. MnO2

C. Fe3O4

D.Fe2O3

B

The color of lithium under the non-

luminous flame

A. Emerald green

B. Carmine red

C. Blue

D. Golden yellow

A

Group I cations

A. Insoluble chloride group

B. Soluble chloride group

C. Soluble sulfide group

D. Insoluble sulfide group

A

Common metabolites of MAO and COMT

during Norepinephrine and Epinephrine

metabolism

I. 3-Methoxy-4-hydroxy phenylethylene

glycol

II. Vanillylmandelic acid

III.3, 4-Dihydroxymandelic acid

A. I, II

B. I, III

C. II, III

D. I, II, III

B

What is the principal metabolic pathway of

sulfonamides in humans?

A. Glucuronidation

B. Acetylation

C. Sulfation

D.Methylation

A

What is the major organ for drug

metabolism?

A. Liver

B. Small intestines

C. Kidney

D. Lung

C

All of the following drugs are extensively

metabolized in the liver, except:

A. Isoproterenol

B. Lidocaine

C. Paracetamol

D. Propranolol

D

Which of the following is the conjugating

agent for sulfation reactions?

A. Sulfhydryl

B. Sulfonate

C. Sulfide

D. Sulfate

C

What is the DOC for MRSA?

A. Penicillin

B. Methicillin

C. Vancomycin

D. Linezolid

A

Methylated erythromycin

A. Clarithromycin

B. Azithromycin

C. Lincomycin

D. Ilotycin

B

Which of the following can be given as a

substitute for patients allergic to penicillin?

A. Aureomycin

B. Erythromycin

C. Oxacillin

D. Spectinomycin

C

This adverse effect is associated with

the use of Streptomycin and other

aminoglycosides.

A. Optic neuritis

B. Hepatitis

C. Ototoxicity

D. Peripheral neuropathy

A

Bacterial source of Neomycin

A. S. fradiae

B. S. rimosus

C. S. kanamyceticus

D.M. purpurea

B

This aminoglycoside is administered

via inhalation for the treatment of

Pseudomonas infection in patients with

cystic fibrosis.

A. Neomycin

B. Tobramycin

C. Gentamicin

D. Streptomycin

C

Gentamicin and other aminoglycosides

lack effectiveness against which group of

bacteria?

A. Enterobacteria

B. Staphylococcus

C. Anaerobic bacteria

D. Pseudomonas

B

Which of the following is a fourth

generation cephalosporin?

A. Cefalexin

B. Cefepime

C. Cefamandole

D. Cefuroxime

C

What is the combined generic name of

sulfamethoxazole + trimethoprim?

A. Clotrimazole

B. Miconazole

C. Co-trimoxazole

D. Cotrimazine

D

Treatment of choice for P. carinii

pneumonia (PCP)

A. Emetine and dehydroemetine

B. Pyrimethamine and sulfadiazine

C. Metronidazole and iodoquinol

D. Trimethoprim and sulfamethoxazole

B

This combination therapy is effective

against toxoplasmosis.

A. Emetine and dehydroemetine

B. Pyrimethamine and sulfadiazine

C. Metronidazole and iodoquinol

D. Trimethoprim and sulfamethoxazole

B

The active form of sulfonamides

A. Non-ionized

B. Ionized

C. Amphoteric

D. Oxo ring

A

Which of the following is not a

preservative?

A. Undecylenic acid

B. Methyl paraben

C. Benzoic acid

D. Potassium sorbate

A

Benzylpenicillin

A. Penicillin G

B. Penicillin V

C. Oxacillin

D. Ampicillin

D

A depot penicillin preparation

A. Phenoxymethylpenicillin

B. Benzylpenicillin

C. Methicillin

D. Benzathine penicillin

C

A uricosuric agent that competes with the

active tubular secretion of penicillin to

increase its plasma concentration

A. Colchicine

B. Sulfinpyrazone

C. Probenecid

D. Allopurinol

A

Reductive metabolites of metronidazole

responsible for its lethal effect

I. Nitroxide III. Hydroxylamine

II. Nitroso IV. Iodoquinol

A. I, II, III

B. I, II, IV

C. II, III, IV

D. I, II, III, IV

E

This is the least stable form of artemisinin.

A. Dihydroartemisinin

B. Artemether

C. Artesunate

D. Artemisinin

E. NO ANS

D

Which of the following is not a beta-

lactamase inhibitor?

A. Clavulanic acid

B. Sulbactam

C. Tazobactam

D. Aztreonam

A

What is the source of Vancomycin?

A. Streptomyces orientalis

B. Streptomyces venezuelae

C. Streptomyces noursei

D. Streptomyces nodosus

C

What is the source of Nystatin?

A. Streptomyces orientalis

B. Streptomyces venezuelae

C. Streptomyces noursei

D. Streptomyces nodosus

D

Which of the following is not an antibiotic?

A. Vancomycin

B. Penicillin

C. Nystatin

D. Nalidixic acid

A

Which of the following agents were

obtained from biological sources?

I. Vinblastine

II. Nitrogen mustard

III.Alkyl sulfonate

IV.Paclitaxel

A. I, II

B. I, III

C. II, III

D. III, IV

A

An antineoplastic agent classified as a

mitotic inhibitor

A. Vincristine

B. Methotrexate

C. Rituximab

D. Imatinib

D

This progesterone derivative is used for the

treatment of endometrial cancer.

A. Finasteride

B. Tamoxifen

C. Flutamide

D. Depo-vera

C

A wax obtained from whales, used in the

preparation of cosmetic creams and fine

wax candles

A. Fucoidan

B. Carrageenan

C. Spermaceti

D.Eudistomin

D

A β-carboline derivative isolated from

sponges

A. Fucoidan

B. Carrageenan

C. Spermaceti

D.Eudistomin

A

Which of the following statements does

not describe active transport?

A. Higher to lower concentration gradient

B. Follow saturation kinetics

C. Carrier-mediated

D.Expenditure of energy

C

Facilitated diffusion

A. Energy-requiring

B. Involves shifting of solvent

C. Carrier-specific

D. The movement against a concentration

gradient

D

Which of the following barbiturates is

intermediate-acting?

A. Phenobarbital

B. Thiopental

C. Pentobarbital

D. Amobarbital

A

Sulfur-containing barbiturates are usually

_____________.

A. Ultra-short acting

B. Short acting

C. Intermediate acting

D. Long acting

D

Antidote for benzodiazepine overdose

A. Deferoxamine

B. Atropine

C. Naloxone

D.Flumazenil

C

Which of the following antidepressant

drugs acts by inhibiting the monoamine

oxidase enzyme?

A. Amitriptyline

B. Fluoxetine

C. Tranylcypromine

D. Duloxetine

C

What acidic structure do angiotensin

receptor blockers possess?

A. Imidazole

B. N-butyl

C. Tetrazole

D. Hydroxyl methyl

A

Alpha agonists are classified into which

chemical groups?

I. Phenylethanolamines

II. Catecholamines

III.2-arylimidazolines

IV.Xanthines

A. I, III

B. I, IV

C. II, III

D. II, IV