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Chapter:

110+ Pharmacokinetics Solved MCQs

in Biopharmaceutics and Pharmacokinetics

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Pharmacy (B. Pharma) .

Chapters

Chapter: Pharmacokinetics
51.

Drug having ……..half-lives take a very short time to achieve plateau concentration.

A. shorter
B. longer
C. intermediate
D. none of the above
Answer» A. shorter
52.

The primary pharmacokinetic parameter clearance can be calculated by

A. Cl = KV
B. Cl = Dose/AUC
C. Cl = (dA/dt)/C
D. all of the above
Answer» D. all of the above
53.

………..change in drug kinetics is known as chronokinetics.

A. Time-dependent
B. Dose-dependent
C. Both (a) & (b)
D. None of the above
Answer» A. Time-dependent
54.

Constant rate infusion prevents………..in blood levels.

A. fluctuations
B. peak maximum
C. valley minimum
D. all of the above
Answer» D. all of the above
55.

Constant rate infusion is……..

A. prevents fluctuations
B. useful when drug has narrow TI
C. Both (a) & (b)
D. none of the above
Answer» C. Both (a) & (b)
56.

Concentration of drug at peak is known as …………drug concentration.

A. maximum
B. minimum
C. lower
D. none of the above
Answer» A. maximum
57.

In one compartment open model, the term open indicates input and output is:

A. unidirectional
B. bidirectional
C. non-directional
D. none of the above
Answer» A. unidirectional
58.

The mathematical relationship between plasma drug concentration and pharmacological response is called as………..

A. PK modeling
B. PD modeling
C. PK-PD modeling
D. None of the above
Answer» C. PK-PD modeling
59.

The ratio of maximum safe concentration to minimum effective concentration is called as

A. Therapeutic index
B. Therapeutic range
C. Therapeutic outcome
D. Therapeutic ratio
Answer» A. Therapeutic index
60.

Half life of zero-order process is proportional to of drug.

A. initial concentration
B. final concentration
C. both (a) & (b)
D. none of the above
Answer» A. initial concentration
61.

The ability of liver to excrete drug in bile is expressed by………

A. hepatic clearance
B. biliary clearance
C. non-renal clearance
D. renal clearance
Answer» B. biliary clearance
62.

…………..is nothing but manner in which drug should be taken.

A. dosing frequency
B. dosage regimen
C. dose adjustment
D. none of the above
Answer» B. dosage regimen
63.

What is dosage regimen?

A. The concentration of active agent in the drug formulation
B. The manner in which the drug is given to old people
C. The manner in which a drug is taken
D. The manner in which drug given to child
Answer» C. The manner in which a drug is taken
64.

What is optimal multiple dosage regimen?

A. The concentration of active agent in the drug formulation
B. Dosage which maintains the plasma concentration within the therapeutic window.
C. The manner in which a drug is taken
D. The manner in which drug given to child
Answer» B. Dosage which maintains the plasma concentration within the therapeutic window.
65.

On what basis the dose interval is calculated?

A. Active drug concentration in the formulation
B. Half-life of the drug
C. Duration of the disease
D. Age of the patient
Answer» B. Half-life of the drug
66.

What is fluctuation?

A. Cmax/Cmin
B. Cmin / Cmax
C. 1/Cmin
D. 1/Cmax
Answer» A. Cmax/Cmin
67.

How do you calculate the ideal body weight for men?

A. 50 kg +- 1kg/2.5cm above or below 150 cm in height
B. 45 kg +- 1kg/2.5cm above or below 150 cm in height
C. 40 kg +- 1kg/2.5cm above or below 150 cm in height
D. 35 kg +- 1kg/2.5cm above or below 150 cm in height
Answer» A. 50 kg +- 1kg/2.5cm above or below 150 cm in height
68.

How do you calculate the ideal body weight for a woman?

A. 50 kg +- 1kg/2.5cm above or below 150 cm in height
B. 45 kg +- 1kg/2.5cm above or below 150 cm in height
C. 40 kg +- 1kg/2.5cm above or below 150 cm in height
D. 35 kg +- 1kg/2.5cm above or below 150 cm in height
Answer» B. 45 kg +- 1kg/2.5cm above or below 150 cm in height
69.

Which of the following drugs are lipid soluble?

A. Phenytoin
B. Caffeine
C. Digoxin
D. Antibiotics
Answer» A. Phenytoin
70.

Which of the following drugs get distributed to the same extent in both lean and adipose tissue?

A. Phenytoin
B. Caffeine
C. Digoxin
D. Antibiotics
Answer» B. Caffeine
71.

Which of the following drugs can get distributed to the excess body space of obese patient?

A. Phenytoin
B. Caffeine
C. Digoxin
D. Antibiotics
Answer» D. Antibiotics
72.

Which of the following drug can get distributed in the excess body space?

A. Phenytoin
B. Caffeine
C. Digoxin
D. Antibiotics
Answer» C. Digoxin
73.

Neonates, infants and children require different dosages than adults.

A. True
B. False
C. none
D. all
Answer» A. True
74.

Accumulation occurs because drug from previous doses was not being removed completely.

A. True
B. False
C. none
D. all
Answer» A. True
75.

The renal clearance of a drug bound to plasma protein is increased after displacement with another drug.

A. True
B. False
C. none
D. all
Answer» A. True
76.

Which of the following promotes excretion of acidic drugs?

A. Citrates
B. Ammonium chloride
C. Methionine
D. Ascorbic acid
Answer» A. Citrates
77.

Which of the following promotes the excretion of basic drugs?

A. Tartarates
B. Citrates
C. Bicarbonates
D. Ammonium chloride
Answer» D. Ammonium chloride
78.

This is the equation for the calculation of creatinine clearance. Which age group does the Clcr = 0.48 H / Scr *[W/70]0.7 formula belong to?

A. 1-6 years
B. 1-20 years
C. Males above 20 years
D. Females above 20 years
Answer» B. 1-20 years
79.

This is the equation for the calculation of creatinine clearance. Which age group does the Clcr = (140 – Age) W / 72 * Scr formula belong to?

A. 1-6 years
B. 1-20 years
C. Males above 20 years
D. Females above 20 years
Answer» C. Males above 20 years
80.

This is the equation for the calculation of creatinine clearance. Which age group does the Clcr = (140 – Age) W / 85 * Scr formula belong to?

A. 1-6 years
B. 1-20 years
C. Males above 20 years
D. Females above 20 years
Answer» D. Females above 20 years
81.

A girl with age 21 has height 240cm, weight 55kg, serum creatinine of 0.8mg will have ______________ creatinine clearance.

A. 80 ml/min
B. 90 ml/min
C. 96.25 ml/min
D. 85 ml/min
Answer» C. 96.25 ml/min
82.

An adult male with age 22 has height 240cm, weight 85kg, serum creatinine of 0.8mg will have ______________ creatinine clearance.

A. 150 ml/min
B. 160 ml/min
C. 170.13 ml/min
D. 174.131 ml/min
Answer» D. 174.131 ml/min
83.

Which creatinine clearance value shows moderate renal failure?

A. 120-130 ml/min
B. 20-50 ml/min
C. Below 10 ml/min
D. 70-80 ml/min
Answer» B. 20-50 ml/min
84.

Which creatinine clearance value shows severe renal failure?

A. 120-130 ml/min
B. 20-50 ml/min
C. Below 10 ml/min
D. 70-80 ml/min
Answer» C. Below 10 ml/min
85.

Drugs in patients with renal impairment have same pharmacokinetic profile as in a person without renal failure.

A. True
B. False
C. none
D. all
Answer» B. False
86.

Which kind of membrane is used in haemodialysis?

A. Artificial Semipermeable membrane
B. Permeable membrane
C. Natural semipermeable membrane of the peritoneal cavity
D. Artificial permeable membrane
Answer» A. Artificial Semipermeable membrane
87.

Which kind of membrane is used in haemodialysis?

A. Artificial Semipermeable membrane
B. Permeable membrane
C. Natural semipermeable membrane of peritoneal cavity
D. Artificial permeable membrane
Answer» A. Artificial Semipermeable membrane
88.

Which of the following will not be a factor governing the removal of substances through dialysis?

A. Molecular weight
B. Water solubility
C. Disintegration time
D. Protein binding
Answer» C. Disintegration time
89.

Haemodialysis is also known as extracorporeal dialysis.

A. True
B. False
C. none
D. all
Answer» A. True
90.

Which of the following is not a mechanism for pharmacokinetic analysis?

A. Compartment analysis
B. Non compartment analysis
C. Physiologic modeling
D. Human model
Answer» D. Human model
91.

In which of the following models the body is considered to be composed of several compartments?

A. Compartment model
B. Noncompartment model
C. Physiologic model
D. Human model
Answer» A. Compartment model
92.

In which of the model peripheral compartments are connected to a central compartment?

A. Compartment model
B. Caternary model
C. Physiologic model
D. Mammillary model
Answer» D. Mammillary model
93.

Which organs will make up the peripheral compartment?

A. Lungs
B. Liver
C. Kidneys
D. Pancreas
Answer» D. Pancreas
94.

In which model compartments are joined in series?

A. Compartment model
B. Caternary model
C. Physiologic model
D. Mammillary model
Answer» B. Caternary model
95.

Which of the following is not a characteristic of the caternary compartment model?

A. It gives a visual representation of various rate processes in drug disposition
B. It shows how many rate constants are necessary
C. Compartments and parameters bear a relationship with physiologic functions
D. Useful in predicting drug
Answer» C. Compartments and parameters bear a relationship with physiologic functions
96.

In noncompartmental analysis, Mean residence time is equal to _____________

A. The area under the first moment curve/area under the zero moment curve
B. The area under the zero moment’s curve/area under the first moment curve
C. 1 / Area under the first-moment curve
D. 1/ Area under the zero moment curve
Answer» A. The area under the first moment curve/area under the zero moment curve
97.

Which pharmacokinetic model is drawn on the basis of anatomic and physiologic data?

A. Compartment model
B. Caternary model
C. Physiologic model
D. Mammillary model
Answer» C. Physiologic model
98.

Which of the following will be a disadvantage for the physiologic model?

A. Prediction of drug concentration in various body regions
B. Correlation of data in several animal species
C. Obtaining experimental data for each of the organs
D. The model gives an exact description of the drug concentration-time profile for any organ
Answer» C. Obtaining experimental data for each of the organs
99.

Which model is also known as membrane permeation rate limited?

A. Physiologic model
B. Compartment model
C. Noncompartment model
D. Mammillary model
Answer» A. Physiologic model
100.

What does the word “open” mean in the one compartment open model?

A. The drug easily enters
B. The drug readily mixes with the blood
C. Unidirectional input and output
D. Easy absorption
Answer» C. Unidirectional input and output

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