Manor Preboards - Module 1

Index of protective power of colloids:

a.Zsigmondy

b.Nuggets

c.Dolomite

d.None of the above

A

Gas law which states that at the same temperature and pressure, the rates of diffusion or effusion of gases are inversely proportional to the square root of their masses.

a.Amonton's Law

b.Mariotte's Law

c.Graham's Law

d.Charles' Law

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C

Mechanism of reaction of aldehydes and ketones

a.Nucleophilic addition

b.Electrophilic substitution

c.Radical substitution

d.Electrophilic addition

A

Pangamic acid is also known as:

a.VITAMIN B3

b.VITAMIN B6

c.VITAMIN B9

d.VITAMIN B15

D

Major degradation product of serotonin

a.Vanillylmandelic acid

b.5-hydroxy-3-indolacetic acid

c.Choline

d.Homovanillic acid

B

It is a 6-carbon dicarboxylic acid:

a.Succinic acid

b.Glutaric acid

c.Adipic acid

d.Pimelic acid

C

Eka-boron is also known as germanium.Eka-aluminum is also known as gallium.

a.Only the 1st statement is true.

b.Only the 2nd statement is true.

c.Both statements are true.

d.Both statements are false.

B

Basic structure of the proton pump inhibitors

a.Carboxylic acid

b.Ethanolamine

c.Benzimidazole

d.Ethylenediamine

C

Donovan's solution has been used in veterinary medicine to treat chronic diseases of the skin. It is mercuric iodide mixed with:

a.Arsenic triiodide

b.Potassium iodide

c.Sodium iodide

d.Silver iodide

A

One who led the isolation of streptomycin from Streptomyces griseus:

a.Vuillemin

b.Waksman

c.Florey and chain

d.Alexander fleming

B

Cryolite consists of:

a.Al, N, Cl

b.Na, Al, F

c.Fe, Al, F

d.K, Fe, Al

B

Which of the following calcium channel blockers is/are phenylalkylamine/s?

I. Nifedipine

II. Diltiazem

III. Verapamil

a.I ONLY

b.II, III

c.II ONLY

d.III ONLY

D

The process involved in the biotransformation of amitriptyline to nortriptyline

a.Ketone reduction

b.Epoxidation

c.Aromatic hydroxylation

d.N-demethylation

D

Ethanol rendered unfit for use in intoxicating beverages by addition of other substances

a.Dehydrated alcohol

b.Denatured alcohol

c.Rubbing alcohol

d.Grain alcohol

B

Standard temperature for gas

a.0 DEG CELSIUS

b.0 K

c.273 K

d.A AND C

D

Which of the following is/are true regarding phase I metabolism?

I. Also known as synthetic phase

II. Includes oxidation, reduction, hydrolysis

III. Generally tends to provide a functional group or "handle" to the molecule

a.I, II, AND III

b.I AND II ONLY

c.I ONLY

d.II AND III ONLY

e.I AND III ONLY

D

This states that every orbital in a sublevel is singly occupied before any orbital is doubly occupied and that all electrons in singly occupied orbitals have the same spin.

a.Aufbau principle

b.Hund's rule

c.Pauli's Exclusion Principle

d.Heisenberg Principle

B

When added to boric acid and then ignited, it burns with a green-bordered flame:

a.Hexane

b.Ethanol

c.Butanol

d.Methanol

D

"Sons of the earth"

a.Titanium

b.Tantalum

c.Zirconium

d.Barium

e.Thallium

A

Acts as a blood coagulant in vivo and anticoagulant in vitro:

a.Sodium tartrate

b.Sodium citrate

c.Sodium phosphate

d.Sodium thiosulfate

B

These are substances that absorb or take up water from the atmosphere forming and dissolving in a liquid:

a.Efflorescent

b.Deliquescent

c.Hygroscopic

d.Effervescent

B

The molecular formula C8H18 can be an:

a.Alkane

b.Alkene

c.Alkyne

d.Aromatic

A

Chloride of this ion is present in Hartmann's solution but is absent in Darrow's solution

a.Sodium

b.Potassium

c.Calcium

d.Magnesium

C

Ammonium ion in flame test

a.Yellow

b.Violet

c.Green

d.No color

D

Poisoning with this metal is characterized by the presence of Mees' lines:

a.Arsenic

b.Mercury

c.Zinc

d.Silver

A

It is a point around the nucleus where the electron probability is zero:

a.Cloud

b.Node

c.Orbital

d.Axis

B

It is also known as Streptomycin B:

a.Sreptomycin

b.Mannisidostreptomycin

c.Hydroxystreptomycin

d.Paromycin sulfate, USP

B

The following describes the pi bond EXCEPT:I. formed by unhybridized p orbitalsII. stronger than sigma bondIII. present in double bonds

a.I only

b.II only

c.I and II

d.I and III

B

Ferric ferrocyanide

a.Fe3[Fe(CN)6]2

b.Fe4[Fe(CN)6]2

c.Fe4[Fe(CN)6]3

d.Fe5[Fe(CN)6]3

C

The only metal that melts at near human body temperature

a.Aluminum

b.Gallium

c.Mercury

d.Gadolinium

B

Which of the following are used as carbon dioxide absorbers?

a.Soda lime

b.Barium sulfate

c.Barium hydroxide

d.A and C

D

Reduction occurs in:

a.Cathode

b.Anode

c.Both A and B

d.None

A

Which of the following is/are true about acetanilide?

I. It is used as a stabilizer in Hydrogen Peroxide Topical Solution in 0.3% concentration.

II. It was the first anthranilic acid derivative found to possess analgesic as well as antipyretic properties.

III. It is also known as phenylacetamide.

IV. It was formerly known by the trade name Antifebrin.

a.I and II

b.III and IV

c.I and III

d.II and IV

B

What is the term used for a molecule, like water, that when mixed with acids behaves as a base and vice versa?

a.Electrolyte

b.Ampholyte

c.Ion

d.Compound

B

Which of the following chemotherapeutic agents has a good penetrability into the cerebrospinal fluid?

a.Streptomycin

b.Gentamicin

c.Tobramycin

d.Chloramphenicol

D

The following oxides are basic with water EXCEPT:

a.FeO

b.SO2

c.Na2O

d.CuO

B

Inadequate oxygen tension in air, i.e. Baguio, high altitude:

a.Histotoxic

b.Anemic

c.Anoxic

d.Stagnant

C

Most abundant isotope of hydrogen

a.Deuterium

b.Tritium

c.Protium

d.Hydrogen

C

Which of the following compound is considered as a Grignard reagent?

a.CH3CH2OH

b.CH3Li

c.CH3MgCl

d.NaHSO3

e.HCN

C

The following are fat-soluble vitamins EXCEPT: I. Vitamin A II. Vitamin B III. Vitamin C IV. Vitamin D

a.I and II

b.II and III

c.III and IV

d.I and IV

B

Toxicity of this is like "stepping into a snowstorm"

a.Strychnine

b.Benzene

c.Methanol

d.Ethanol

C

Which of the following is true about catalysts?

a.They speed up the rate of reaction by lowering activation energy

b.They are used up in the reaction

c.They affect the chemical equilibrium

d.Two of the above

A

Which of the following gases is associated with the mechanism of action of drugs like nitroglycerin and sildenafil?

a.NO

b.N2O

c.CO2

d.NO2

A

Nephelometry is based on the measurement of light that is ______ by the particles of a suspension.

a.Reflected

b.Absorbed

c.Transmitted

d.Emitted

A

________ of morphine yields an opiate used as an antitussive.

a.Acetylation

b.Methylation

c.Esterification

d.Acylation

B

Cation-exchange resin used for hyperkalemia

a.Kayexalate

b.Sodium formaldehyde sulfoxylate

c.Sodium polystyrene sulfonate

d.A and C

e.A and B

D

Stereoisomers that are non-mirror images and are not superimposable:

a.Enantiomers

b.Diastereomers

c.Mesocompounds

d.Anomers

B

Antibacterial potencies of primary alcohols increase with molecular weight up to how many carbons only?

a.C3

b.C4

c.C6

d.C8

D

Which is used to differentiate primary alcohols from tertiary alcohols?

a.Nitroprusside test

b.Iodoform test

c.Tollens test

d.Lucas test

D

An sp3 hybridized carbon has a ________ molecular geometry and forms a bond angle of _____.

a.Linear; 180 degrees

b.Tetrahedral; 109.5 degrees

c.Trigonal planar; 120 degrees

d.Trigonal planar; 109.5 degrees

B

Synthesized from dry hydrogen chloride and carbon monoxide at 300 degrees and 200 atm pressure:

a.Tetrachloroethylene

b.Piperazine

c.Both

d.None

A

Which of the following are mismatched?

I. Ceftriaxone: 3rd gen

II. Cefaclor: 1st gen

III. Cefdinir: 2nd gen

IV. Ceftaroline: 5th gen

a.I AND II

b.II AND IV

c.II AND III

d.I AND III

C

What quantum number describes the size of the electron orbital and indicates the energy level?

a.Spin quantum number

b.Magnetic quantum number

c.Azimuthal quantum number

d.Principal quantum number

D

Diphenoxylate is a structural analog of ________ which is chemically a _________.

a.Meperidine; phenylpiperidine

b.Pethidine; pyridine

c.Methadone; phenylheptylamine

d.Pentazocine; benzomorphan

A

Lugol's solution

a.2% I2 in NaI + water

b.5% I2 in NaI + water

c.5% I2 in KI + water

d.7.5% I2 in KI + alcohol

e.None of the above

C

Rinmann's green is:

a.Cobalt thiocyanate

b.Zinc cobalt nitrite

c.Aluminum cobalt nitrite

d.Ferric thiocyanate

B

Third Triad:

I. Ir

II. Os

III. Pd

IV. Pt

a.I, II, III

b.I, II, IV

c.I, III, IV

d.II, III, IV

B

It is an alloy of iron and carbon

a.Bronze

b.Solder

c.Brass

d.Steel

D

All of the following statements about periodic trends are true, EXCEPT?

a.Atomic size and metallic property share the same periodic trend

b.Electronegativity decreases from top to bottom of the periodic table

c.Ionization energy decreases from right to left of the periodic table

d.Electron affinity increases from top to bottom of the periodic table

D

Azote

a.Mercury

b.Argon

c.Nitrogen

d.Sulfur

C

Composition of Artificial Air

a.80% O2 + 20% He

b.80% He + 20% O2

c.100% O2

d.50% He + 50% O2

B

This states that if a stress is placed on a system that is at equilibrium, the system will shift in such a way to relieve the stress

a.Le Chatelier's principle

b.Raoult's Law

c.Law of Definite Proportions

d.Law of Multiple Proportions

A

Lewis acid

a.Proton donor

b.Electron donor

c.Proton acceptor

d.Electron acceptor

B

Which of the following is an 8-aminoquinoline?I. ChloroquineII. AmodiaquineIII. Primaquine

a.I, II

b.I, III

c.III only

d.I, II, III

C

These rays have no mass and no charge but of very high energy and is the most penetrating

a.Beta

b.Gamma

c.Alpha

d.Xrays

B

Sodium nitrite is produced by which process?

a.Ostwald process

b.Lindle-Frankl process

c.Guggenheim process

d.Alcoa chlorine process

C

The following are respiratory stimulants, EXCEPT:

a.Soda lime

b.Carbon dioxide

c.Ammonium carbonate

d.Aromatic ammonia spirit

A

The temperature change experienced by an object when it absorbs a certain amount of energy is determined by:

a.Specific heat

b.Heat of fusion

c.Heat capacity

d.Molar heat capacity

C

An atom's number of valence electrons also reflect its:

a.period

b.group

c.mass number

d.atomic number

B

Which of the following is the most stable conformation of cyclohexane?

a.Envelope

b.Butterfly

c.Boat

d.Chair

D

Secondary intracellular cation

a.Magnesium

b.Potassium

c.Sodium

d.Calcium

A

Drug of choice for absence seizures

a.Phenytoin

b.Carbamazepine

c.Valproic acid

d.Ethosuximide

D

These metals exhibit autocomplexation:

a.Noble metals

b.Volatile metals

c.Coinage metals

d.Alkaline earth metals

B

Among the acids of the halogens, which is considered to be the most acidic?

a.HBr

b.HI

c.HF

d.HCl

B

Type of sulfur used in Vleminckx's solution

a.Precipitated Sulfur

b.Sulfurated potash

c.Sublimed Sulfur

d.None of the above

C

An agent that prevents infection by the destruction of pathogenic microorganisms when applied to inanimate objects:

a.Antiseptic

b.Disinfectant

c.Sanitizer

d.Antibiotic

B

Hydrogen

I. Also known as inflammable air

II. Most abundant element in the earth's crust

III. Stored in red cylinders

a.I only

b.I, II

c.III only

d.I, III

D

Epsom salt can be used as a/an:

a.Anticonvulsant

b.Sedative-Hypnotic

c.Antidiarrheal

d.Antidote for Hg poisoning

A

Reduces the coefficient of expansion in glass

a.MnO

b.Borate

c.K

d.Pb

e.Rare earths

B

Used to disinfect drinking water

a.Copper sulfate

b.Halazone

c.Chloroform

d.Muriatic acid

B

Simethicone-containing antacids contain simethicone as a/an

a.Antidiarrheal

b.Preservative

c.Antifoaming agent

d.None of the above

C

Increases osmotic load of the GIT

a.Bulk-Forming laxative

b.Stimulant laxative

c.Emollient laxative

d.Saline laxative

D

Nickel ion in solution is colored:

a.Red

b.Blue

c.Green

d.Yellow

C

An organic compound which may either be a weak acid or a weak base that can change color at a definitive pH value

a.Indicator

b.Primary standard

c.Titrant

d.Secondary standard

B

An example of glycine conjugation pathway

a.Phenol to phenolsulfate

b.Benzoic acid to hippuric acid

c.Noradrenaline to epinephrine

d.Antabuse to dithiocarbamic acid

B

This is used to provide an inert atmosphere to retard oxidation in cod liver oil, olive oil, and multiple vitamin preparation.

a.Nitrogen

b.Oxygen

c.Helium

d.Carbon dioxide

A

The only single acid to dissolve gold

a.Nitric acid

b.Hydrochloric acid

c.Selenic acid

d.Aqua regia

C

A progesterone derivative which is used for the treatment of endometrial cancer:

a.Tamoxifen

b.Depo-provera

c.Flutamide

d.Goserelin

B

Magnesium + p-nitrobenzene resorcinol

a.Violet-red

b.Blue lake

c.Yellow precipitate

d.Blue precipitate

D

Clozapine's chemical class

a.Dibenzoxazepine

b.Dibenzodiazepine

c.Dibenzothiazepine

d.Benzisoxazole

B

Which of the following drugs does not undergo acetylation?

a.Isoniazid

b.Chloramphenicol

c.Hydralazine

d.Sulfonamides

B

Diagonally related elements in the periodic table are called as:

a.Triads

b.Representative elements

c.Lanthanide series

d.Bridge elements

D

When handling bromine, it is always advisable to have this in order to stop its action.

a.Ammonia water

b.Magnesium hydroxide

c.Water

d.Spirit of ammonia

A

The excretion of weakly basic drugs will be more rapid in acidic urine than in basic urine because:

a.All drugs are more rapidly excreted in acidic urine

b.The drug will exist primarily in the unionized form, which cannot be reabsorbed

c.Weak bases cannot be reabsorbed from the kidney tubules

d.The drug will exist primarily in the ionized form, which cannot be easily reabsorbed

B

Mechanism of action of thimerosal:

a.Irreversibly bind to the phospholipids and proteins of the membrane, thereby impairing permeability

b.Causes cell membrane disruption and denaturation of bacterial proteins

c.Precipitation of proteins and oxidation of sulfhydryl groups

d.Crosslinking of macromolecules

C

Process by which the solute is distributed in the solvent

a.Absorption

b.Disintegration

c.Dissolution

d.Distribution

C