3 Months Free Update
3 Months Free Update
3 Months Free Update
All of the following statements concerning the lyophilization of a parenteral product are correct, EXCEPT:
The anatomical divisions of the small intestine include the:
I jejunum
II ileum
III duodenum
Gamma aminobutyric acid (GABA. is:
I the major inhibitory neurotransmitter in the brain
II found primarily in interneurons
III synthesized from glycine
Biological catalysts responsible for supporting almost all of the chemical reactions that maintain human life process:
In the typical cell, mitochondria may contain:
I- Enzymes of Kreb’s cycle
II- Enzymes of respiratory pathway as well cytochrome oxidase
III- Enzymes of fatty acid cycle
Concentration of a drug in breast milk exceeds that in plasma, if the drug:
Bacterial resistance to an antibiotic may occurs due to:
I- Mutation
II- Adaptation
III- Gene transfer
A patients with allergy to Sulphonamides (i.e.: SulphametoxazolE. can take all of the following medications, EXCEPT:
Characteristics of GOUT, a group of disorders of purine and pyrimidine metabolism may include:
I- Hereditary metabolite disease marked by inflammation of the joints
II- The joint inflammation is caused by precipitation of uric acid crystals
III- It is a type osteoporosis
In an adequately powered, randomized controlled trial conducted over 3 years, a specific serious side effect (i.e. reduction in leukocytes) with conventional therapy is seen in 0.5% of the study sample. In patients who receive a newly discovered drug, only 0.45% experience the same side effect. Based on these results, the minimum number of patients that would have to receive the new drug for 3 years to statistically demonstrate the prevention of one episode of this side effect in at least one patient is:
Atropine poisoning can be recognized by all of the following signs or symptoms, EXCEPT:
The number of milli-alents of lithium that KJ will receive with each dose is:
True statements regarding the use of monoclonal antibodies include which of the following?
I Flu-like symptoms commonly occur at the start of therapy.
II T cells are blocked from initiating the rejection process.
III Orthoclone is a human immunoglobulin product.
Indication of leukotrienes modifiers in the treatment of asthma includes which of the following?
I- Acute treatment
II- Prophylaxis
III- Chronic treatment
Use of estrogen in osteoporosis:
I- Estrogen enhance calcium retention and retard bone loss
II- Estrogen is useful in treat osteoporosis associated to menopause
III- Estrogen is not effective at increasing bone mass that has already been lost.
Allopurinol, xanthine oxidase inhibitor, used in gout treatment may produce all the following side effects, EXCEPT:
Calcitonin is mainly classified as hormone liberated by thyroid gland. Which stimulate the release of calcitonin?
Osteoporosis is a disease characterized by loss of bone mass and may be aggravated by:
I-Corticosteroids
II-Menopausa
III-Grave’s disease
The organophosphates commonly found in insecticides are thought to act by which of the following mechanisms?
Physicochemical factors affecting the rate and extent of percutaneous drug absorption include:
I the partition coefficient of the drug molecule
II the presence of surfactants in the formulation
III the type of ointment base
Which is the correct start dose of methothrexate in the treatment of rheumatoid arthritis?
If the total body clearance of a drug is 200 mL/min in a normal healthy adult and the renal clearance is 10 mL/min then one may assume that:
Advantages of nasal route over oral route absorption of drugs may include:
I- Nasal route has a higher surface area
II- Nasal route has more blood vessels
III- Nasal route has a higher onset of absorption
The level of which drug should be adjusted during treatment with allopurinol
I- Mercapturic acid
II- Theophillin
III- Anticoagulants
Drugs shown to be effective in the prevention of Travellers'
Diarrhea, which might have been prescribed for SM include:
I doxycycline
II cotrimoxazole
III amoxicillin
In deciding what drugs are appropriate for its formulary, the hospital must consider a drug's efficacy, associated workload, and acquisition cost. Several new antifungal IV drugs (drug A, drug B, drug C, and drug D), all with equal efficacy, have recently become available.
Currently the hospital stocks drug E, which has been available for several years. Data for the medications is as follows:
DrugCost/DayDosing FrequencyTreatment Duration (days)A$2.50QID14B$2.25once daily14C$5.00BID7D$2.25BID7E$2 .25QID7The most appropriate choice for the hospital is:
The fraction of bound receptors in a well-defined drug-receptor binding system is determined by:
I the equilibrium drug-receptor dissociation constant
II the free drug concentration
III the total receptor concentration
Examples of drug(s) that may precipitate asthma include all of the following, EXCEPT:
The number of millimoles of lithium (Li+1) that KJ will receive with each dose is:
Treatment of smoke withdrawal symptoms may include which of the following?
I- Nicorette
II- Nicoderm
III- Zyban
Autoimmune disorders include which of the following?
I Graves' disease
II Systemic Lupus Erythematosus
III Osteoarthritis
Importance of Vitamin D in osteoporosis:
I- Increase the absorption of calcium from the small intestine
II- The best vitamin D analog to treat osteoporosis is calcitriol
III- Antacids containing aluminum and magnesium may interfere with proper activity of vitamin D.
All of the following are pathophysiologic characteristics of asthma, EXCEPT:
Select the drug whose major metabolites have therapeutically significant pharmacological activity:
Dopamine is useful in the treatment of cardiogenic shock because it:
I selectively dilates renal and mesenteric vascular beds.
II does not induce peripheral vasoconstriction.
III decreases the force of myocardial contraction.
How much of a 10 mg dose of morphine reaches the systemic circulation given F = .24?
Correct statements regarding Pellagra include:
I- Caused due to deficiency of niacin
II- Caused by failure in converting tryptophan to niacin
III- Characterized by dermatitis, diarrhea and dementia
Correct statements regarding Penicillin V may include which of the following?
I-?-lactamase sensitive antibiotic – acid stable
II- Has a short half-life because is rapidly excreted by glomerular filtration
III- Probenecid increase penicillin’s activity
Bioavailability is related to which of the following parameters, according to the equation F = 1 - E
Correct statement regarding the mechanism of action of Vancomycin may include:
Which of the following drugs is associated with the reaction of extreme photosensitivity?
Correct statements regarding CEPHALOSPORINS include:
I- Bactericidal antimicrobial
II- Derivated from natural source: Cephalosporium acremonium
III- Broad-spectrum agent
Drug of choice in the treatment of percutaneous blood infection-schistosomyasis may include:
The side effects of isoniazid are potentialized by deficiency of which vitamin?
Which of the following conditions are quinolone antimicrobial drugs mainly used?
All of the following are narrow spectrum protein synthesis inhibitors, EXCEPT:
Penicillin should be administrated 1 hour before meals or 2 to 3 hours after meals in order to:
I- Improve the bioavailability
II- Maximize the dissolution rate
III- Avoid interaction with calcium ions
Identify the correct pathway of blood flow from the small intestine to the liver:
Which of the following is considered as essential vitamin for breast-feed babies?
Which of the followings are types of RNA?
I- RNAt - RNA transferase
II- RNAm – RNA mensager
III-RNAr – RNA ribossome
Mercapturic acid derivatives in phase II metabolism can result from reactions of:
Which of the following is an important enzymatic reaction involved in muscular contraction?
If the pKa of phenobarbital is 7.4, what approximate fraction of the drug would be ionized at pH 8.4?
Diazepam Injection U.S.P
Diazepam 5 mg/ml
Ethanol 10%
Propylene glycol 40%
Benzyl alcohol 1.5%
Water for Injection qs 100%
In the formulation given above, the following ingredient(s) function(s) as a cosolvent(s):
I ethanol
II propylene glycol
III benzyl alcohol
Examples of very narrow spectrum penicillins include all of the following, EXCEPT:
Antibiotics that often cause colitis-acute inflammation of colon as side effect include:
I- Broad-spectrum penicillins
II- Cephalosporins
III- Clindamycin
Drug used together with chloroquine in the treatment of malaria with the purpose to kill persistants parasites in the liver of a person infected with Plasmodium vivax is:
Which of the following drugs is associated with the reaction of Stevens-Johnson syndrome?
Given F = .24, what is the overall hepatic clearance of morphine if the above patient has portal hypertension such that their hepatic blood flow is reduced by ½? Assume the clearance value given in the previous question is entirely hepatic clearance.
Which of the following is the primary site of activity for the drug Warfarin?
Which of the following drugs is associated with the reaction of Cinchonism?