With 1005 Correct Answers
A chemical bond in which electrons are equally shared is a(n)
a. Ionic bond
b. Polar covalent bond
c. Nonpolar covalent bond
d. Hydrogen bond
c. Nonpolar covalent bond
The bond of oxygen and hydrogen between water molecules is a
a. Ionic bond
b. Polar covalent bond
c. Nonpolar covalent bond
d. Hydrogen bond
b. Polar covalent bond
The unit molecules (monomers) of carbohydrates are
a. Monosaccharides
b. Amino acids
c. Nucleic acids
d. Fatty acids
a. Monosaccharides
Sucrose is composed of
a. Glucose and galactose
b. Glucose and fructose
c. Fructose and maltose
d. Glucose and maltose
b. Glucose and fructose
Glucose and fructose are examples of
a. Monosaccharides
b. Disaccharides
c. Polysaccharides
d. Lipids
a. Monosaccharides
The bond between amino acids is a(n)
a. Ionic bond
b. Peptide bond
c. Hydrogen bond
d. Covalent bond
b. Peptide bond
,Cytosine always undergoes complementary base pairing with
a. Adenine
b. Guanine
c. Thymine
d. Uracil
b. Guanine
Which cellular organelle is responsible for energy production?
a. Nucleus
b. Mitochondria
c. Ribosomes
d. Endoplasmic reticulum
b. Mitochondria
Movement of water across membranes following its concentration gradient occurs through
a. Facilitated diffusion
b. Active transport
c. Osmosis
d. Pinocytosis
c. Osmosis
Which molecule is the "energy currency" of the cell?
a. Sugar
b. Amino acids
c. ATP
d. GTP
c. ATP
A 75-year-old female with Alzheimer's disease has increased lipid peroxidation secondary to free‐
radical production. Lipid peroxidation results in
a. Organelle membrane reconstruction
b. Increased lipid transportation
c. Increased protein synthesis
d. Cell membrane damage
d. Cell membrane damage
In response to an increased workload, myocardial cells will
a. Increase in size
b. Decrease in length
c. Increase in excitability
d. Increase in number
a. Increase in size
,6. A 40-year-old female is undergoing treatment for cervical cancer. Which cellular change is most
likely to be associated with her cancer?
a. Metaplasia
b. Atrophy
c. Hypertrophy
d. Dysplasia
d. Dysplasia
. A 45-year-old male with a 30-year history of smoking is examined for a respiratory problem.
Examination of his airway (bronchi) reveals that stratified squamous epithelial cells have replaced the
normal columnar ciliated epithelium. The type of cellular adaptation seen is called?
a. Hypertrophy
b. Hyperplasia
c. Metaplasia
d. Dysplasia
c. Metaplasia
The definition of pharmacology is
a. the study of the formulation of drugs
b. the study of farming techniques
c. the study of drugs including their actions and effects in living systems
d. the study of pharmacy (the preparation and development of drugs)
c. the study of drugs including their actions and effects in living systems
Useful drugs have which of the following properties?
a. Affinity, toxicity and specificity
b. Potency, selectivity and specificity
c. Potency, toxicity and efficacy
d. Toxicity, efficacy and formulation
b. Potency, selectivity and specificity
Potency refers to
a. a drug's ability to produce an effect
b. the narrowness of a drug's range of actions
c. the amount of drug required to produce an effect
d. a drug's ability to produce adverse reactions
c. the amount of drug required to produce an effect
Drug are classified by all the following EXCEPT
a. clinical use
b. chemical formula
c. manufacturer
d. mechanism of action
c. manufacturer
, Over-the-counter drugs are available
a. in general stores and supermarkets
b. from a pharmacy assistant
c. with a prescription
d. in pharmacies, supermarkets and general stores
d. in pharmacies, supermarkets and general stores
In what source would you find information about specific drugs relevant to a country?
a. Pharmacopoeias
b. Compendiums
c. Encyclopaedias
d. Formularies
a. Pharmacopoeias
If a drug binds to β2 adrenoceptors and does not act at any other receptors (even in higher doses),
that drug would be described as exhibiting high
a. affinity
b. specificity
c. selectivity
d. potency
c. selectivity
Which of the following is not a primary target of drug action?
a. Carriers
b. Enzymes
c. Hormones
d. Receptors
c. Hormones
The correct sequence of pharmacokinetic phases a drug may pass through is
a. administration, inhalation, absorption and excretion
b. formulation, absorption, metabolism and excretion
c. disintegration, absorption, elimination and expiration
d. absorption, distribution, metabolism and excretion
d. absorption, distribution, metabolism and excretion
Bioavailability is defined as the
a. proportion of the dose reaching the receptor intact
b. proportion of the dose reaching the systemic circulation intact c. proportion of the dose
metabolised by the liver
d. proportion of the dose excreted by the kidneys
b. proportion of the dose reaching the systemic circulation intact
Which of the following statements is true of the elimination process?