BEQ HIGH YIELD RANDOM

Another name for phenylmethanol?

Benzyl alcohol

Which of the ff is the least stable vitamin?

Ascorbic acid

Which sugar is inherent in nucleic acid's RNA or DNA?

Ribose

Derivatives of benzyl sulfonyl urea are useful as

Oral hypoglycemic

The factors that may affect the pH of a buffer solution are as follows, EXCEPT..

Constant temp

Which is NOT true for Mineral Oil USP?

Miscible with alcohol

Which are dissolved compounds found in hard water?

Ca,Mg, Mn salts

The ring common among penicillin and cephalosporins in...

beta lactam ring

Which of the ff statements best characterize gamma amino butyric acid?

Major inhibitory neurotransmitter in the brain, it is biosynthesized from arginine

Major inhibitory neurotransmitter in the brain, it is biosynthesized from tyrosine

Major inhibitory neurotransmitter in the brain, it is biosynthesized from glutamic acid

Major inhibitory neurotransmitter in the brain, it is biosynthesized from serine

Major inhibitory neurotransmitter in the brain, it is biosynthesized from glutamic acid

The ff will react with water forming an acid solution, EXCEPT

acetic acid

hcl

ammonia

water

Ammonia

Which among the listed compounds is a polysaccharide found to be a useful plasma expander?

Dextran

Which of the ff is an alternative antibiotic for patients allergic to penicillin?

Erythromycin

Which of the ff refers to the amount of a strong acid or base that must be added to a liter of a solution to change the Ph by one unit?

Buffer capacity

Which is true for alcohols?

low MW = low solubility

high OH = high solubility

Branching = high solubility

Which among the ff salts is used as an electrolyte replenisher in dehydration?

NaCl

Which among the processes of separating components of mixture make use of differences in solvent affinity?

Chromatography

Movement of particles in the body which also means solvent shifts is referred to as..

Bulk transport

Compounds that result from a combination of electron donor and a metal forming a ring structure is called as...

Chelate

Which of the ff enzymes is involved in the process of sulfonation?

sulfotransferase

In sulfate conjugation, which of the ff grps is transferred during the functionalization phase of biotransformation of xenobiotics?

sulfate

Which of the ff is NOT soluble or miscible in alcohol USP?

Acacia

Which of the ff reduces iodine?

Sodium thiosulfate

Which of the ff is the correct mechanism of action of Trimethoprin?

Folate reductase inh

Chemical name of Bakers ammonia

Ammonium carbonate

The onset and duration of barbiturates action is a function of its

lipid solubility

Conformation of organic molecules is most commonly determined by which of the following analytical methods?

Nuclear magnetic resonance

Which of the ff is used to induce bowel movement by increasing osmotic load of GI tract?

Saline cathartics

Which of the ff will be used to correct acute metabolic alkalosis?

KCl

Which of the antineoplastics is NOT considered as metabolite?

Etoposide

What is the Pauli Exclusion Principle?

An atom cannot have 2 electrons in the same energy level or orbital that have the same set of quantum numbers

Another name of lactic acid:

2-hydroxy propionic acid

Which alkali metal melts above 100 degrees celsius?

Lithium

Formula of Aldehydes:

RCHO

Which of the ff is the metabolite of the red dye prontosil responsible for antimicrobial activity?

Sulfanilamide

Unit of measure for radioactivity

Becquerel

Elements found in Grignard reagent:

Mg

Which of the ff is a constituent of a mixture commonly known as Bordeux mixture, a well known fungicide

Cupric sulfate

Which of the ff can cause a shift in chemical equilibrium?

Concentration

Which of the ff refers to a kind of chemical reaction whereby a substance splits into simpler substances?

Decomposition reaction

Chemical composition of muriatic acid:

Hydrochloric acid

Simethecone is a component of several antacid formulation, how is it chemically classified?

Silicone

What is saltpeter

Potassium nitrate KNO3

What are the risks of the long term-tem use of benzodiazepines?

Developing dependence and Tolerance

Other name of Beryl

Aquamarine

Which of the ff is NOT an alcohol?

rose

eucalyptol

coriander

juniper oil

Eucalyptol

Which of the ff gases are official and used as an artificial atmosphere?

N, O, CO2

Which of the ff substances when present in the urine is MOST likely positive sign of pregnancy?

HCG Human chorionic gonadotropin

Which of the ff preparations is made up of a combination of non-ionic and cationic surfactants with iodine?

Povidone-Iodine

The combination of trimethoprim and sulfamethoxazole is also known as : Cotrimoxazole

Beta particles penetrate tissue up to __ cm:

1cm

1 Bequerel is equivalent to :

2.7 x 10 -11 curie

Which of the ff is a sulphated polysaccharide compound extracted from brown algae active against herpes simplex virus?

Fucoidan

Which of the ff is a polysaccharide obtained from red seaweeds used in the preparation of toothpaste as an emulsifying agent?

Carrageenan

Which of the ff is a wax obtained from whales used in the preparation of cosmetic creams and fine wax candles?

Spermaceti

Which of the elements is the MOST metallic?

fluorine

chlorine

bromine

iodine

Iodine

Which of the elements is the MOST reactive?

Fluorine

Which of the elements is the MOST electronegative?

Fluorine

Arrange the elements according to increasing electronegativity

F>Cl>Br>I

In the process of purifying water by chlorination, what is the rationale of adding chlorine dioxide?

To further disinfect the water

Which elements are referred to as the triads of Group VIII?

Fe, Co, Ni

Which group in the periodic table is referred to as the ' chalcogens"?

VI-A

Which group is referred to as 'Coinage' ?

I-B

Which group is referred o as " Alkali Metals" ?

I-A

Which of the ff combination therapy is the treatment of choice for P. carinii pneumonia (PCP) ?

Trimethoprim and sulfamethoxazole

Which of the ff combination therapy is most reactive effective against toxoplasmosis

Pyrimethamine and sulfadiazine

Which of the ff derivatives of nitroimidazole is used as an antimalarial agent?

Mebendazole

Tests used to detect the presence of reducing sugars

Maillard Reaction, Tollens test, Benedict's test

Which of the ff proteins is classified as a defensive protein?

Fibrinogen

Which is the catalytic site model, where the substrate induces a conformational change in the enzyme?

Induced fit model

Which complex carbohydrates are characterized by their amino and uronic acid contents?

Glycosaminoglycans

Which of the ff plant constituents are biosynthesized via the shikimate pathway?

Morphine, prunasin,vanillin

Which of the ff compounds are biosynthesized via the mevalonate pathway?

camphor, squalene

Exists in areas where rapid cell division takes place and delays leaf senescence:

cytokinin

Induces dormancy in seeds and helps seeds withstand unfavorable growth factors:

Abscisic acid

Hastens fruit ripening and increases root growth and root hair formation, thereby increasing their absorption surface area

: ethylene

Condition that develops when the body is starved for glucose during prolonged fasting or starvation

Ketosis

A pituitary disorder that directly affects kidney function, NO unusual level of glucose in the urine observed:

Diabetes insipidus

Beta-cells of the pancreas are gone, NO insulin is produced , condition is controlled by daily injections of insulin

DM T1

A normal amount of insulin is produced; either it is not released fast enough when blood sugar rises or the target tissue have reduced responsiveness

DM T2

A neuropsychiatric disorder that arises from lack of thiamine in the diet, poor absorption of thiamine in the diet, poor absorption of thiamine from the gut, or poor storage of thiamine in the liver:

BERI BERI OR WENICKE KORSAKOFF

This is caused by a deficiency in folate derivatives during early pregnancy because of the important role of these derivatives in the synthesis of DNA precursors

Neural Tube defects

This pathological condition results from the absence of adenosine deaminase, an enzyme in the purine degradation pathway

Severe combined immunodeficiency

A disease that is associated with an excessive accumulation of urate:

Gout

A genetic disease characterized by self-mutilation, mental deficiency and gout:

Lesch-Nyhan syndrome

A disease caused by the absence of hypoxanthine guanine phosphoribosyltransferase that is essential for the synthesis of purine nucleotides:

Lesch-Nyhan syndrome

It is a nonpolar vitamin, a mixture of tocopherols; serves as an antioxidant in biomembrane, protecting these and embedded proteins against oxidative attack of free radicals and peroxides:

Vit. E

It is made by gut bacteria; he bacterial source can supply most or all of the needs of a normal healthy adult; it serves as a cofactor in carboxylation reactions:

: Biotin

It serves as a cofactor in numerous biochemical index reaction, where its ability to accept and donate electrons one at a time is quite valuable:

Riboflavin

Vitamin that is required for the clotting of blood

: Vit. K

This vitamin is really three separate but chemically related compounds: retinol, retinal and retinoic acid. When converted to retinal form they serve as an essential cofactor for the protein rhodopsin, which is responsible for vision in rod cells:

Vit. A

Refers to the number of mg of potassium hydroxide required to neutralize the free acids in , and to hydrolyze the esters in 1g of the substance

Saponification value

Refers to the difference between the saponification and acid value

Ester value

Refers to the number of mg of potassium hydroxide required to neutralize the acetic acid freed by the hydrolysis of the acetylated fat or other substance:

Acetyl value

Refers to the number of mg of potassium hydroxide required to neutralize the acid combined by acetylation of the sample

Hydroxyl value

It measures the degree of unsaturation of the oil. Those which partially resenify on exposure to air have high values:

iodine value

Soft, fluffy staple fiber that grows around the seeds of plants of the genus Gossypium in the Family malvaceae:

Cotton

A flammable mixture of cellulose nitrates, usually with less than 12.5% nitrogen, that is soluble in a mixture of ether and alcohol or other organic solvents:

Pyroxylin

A member of the genus Linum, which is a food and fiber crop cultivated in cooler regions of the world

Flax

The fiber and seed pat of Cannabis sativa

Hemp

The fibers are made from a natural polymer extracted from brown seaweeds:

Alginate fibers

In drug interaction references, "drug affected by the interaction" is referred to as the

Object drug