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PHARMA > Questions > Flashcards

Questions Flashcards

1
Q

Pharmacokinetics involves the following mechanism/s

A. Metabolism B. Distribution C. Absorption D. Elimination E. All

A

E

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2
Q

Major route of drug administration?

A. Parenteral
B. Sublingual C. Enteral
D. A&C
E. All

A

D

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3
Q

Advantage of oral route.

A. Easilyselfadministered
B. Lessinfections
C. Canbereversed
D. A&C
E. All

A

E

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4
Q

What organ is encountered by oral drugs before it is distributed into the circulation?
A. Stomach
B. Duodenum
C. Liver
D. Kidneys
E. Lung

A

C

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5
Q

With oral route, where is the major site of entry into systemic circulation?
A. Mouth
B. Stomach C. Duodenum D. A&C
E. All

A

C

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6
Q

First pass metabolism of oral drugs needs

A. Enhanceofabsorption
B. Limitsefficacy
C. Inhibitsabsorption
D. A&C E. All

A

B

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7
Q

Drug that exhibits first pass metabolism should be given:
A. Parenterally
B. beforemeals
C. Aftermeals
D. Atbedtime
E. Insufficientquantity

A

A

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8
Q

Oral drugs medication taken with food what would happen
A. Delaygastricemptying B. Destroyedwithacids
C. Unavailableforabsorption D. A&C
E. Al

A

D

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9
Q

Cholinergic drugs produce effects similar to the effects when the sympathetic nervous system is stimulated

True
False

A

False

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10
Q

The advantage of Ipratropium from atropine is that its effects are isolated in the pulmonary system.

True
False

A

True

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11
Q

Scopolamine can be used in anesthetic procedure and can block short term memory

True
False

A

True

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12
Q

Norepinephrine produces bradycardia instead of tachycardia because norepinephrine decreases peripheral vascular resistance

True
False

A

False

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13
Q

The following beta blockr/s that exhibit ISA (Intrinsic Sympathomimetic Activity)

None
Propranolol
All
Pindolol
Timolol
Nadolol

A

Pindolol

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14
Q

Functional cholinergic receptors are found in the following organs:

Gastric glands
All except one item
All
Sweat Glands Cardiac Cells Smooth muscles in the eye

A

All

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15
Q

Which of the following organs has a relatively greater blood flow?

Intestines
Both
Stomach

A

Intestines

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16
Q

Which of the following organs, where majority of “First-Pass” metabolism will take place?

All
Liver
Oral Kidney
Duodenum

A

Liver

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17
Q

Insulin is best when taken by mouth and swallowed

True
False

A

False

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18
Q

This is a precursor in the illicit manufacture of shabu

Cocaine
Ephedrine
Amphetamine
Tyramine

A

Ephedrine

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19
Q

Beta agonists play a major role in the treatment of bronchoconstriction in patients with asthma

True
False

A

True

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20
Q

Pheochromocytoma secretes norepinephrine and causes high blood pressure, in what organ is that tumor located?

Adrenal Gland
Heart
Kidney
All
None
Liver

A

Adrenal Gland

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21
Q

The following is/are non- selective ALPHA (adrenergic) blockers

Phenoxybenzamine
Tamsulosin
Alfuzosin
None
All
Prazosin

A

Phenoxybenzamine

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22
Q

Which of the following is an irreversible alpha antagonist?

Prazosin
Phentolamine
None
Tamsolusin
Phenoxybenzamine
All

A

Phenoxybenzamine

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23
Q

What specialized structure increases the absorptive capacity of an organ?

Vesicles
All
Microvilli
Capillaries

A

Microvilli

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24
Q

Route of drug administration that has the highest bioavailability

Intranasal
Intrathecal
Intravascular
Inhalation

A

Intravascular

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25
Q

Sublingual route of drug administration facilitates direct absorption of drug into the bloodstream

True
False

A

True

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26
Q

In order for a drug to interact with nuclear receptors, the drug must be lipid soluble to be able to penetrate the nuclear membrane

True
False

A

True

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27
Q

All drugs must exert some chemical influence on receptors to produce pharmacologic response

True
False

A

True

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28
Q

Nitroglycerine can achieve a complete absorption if given orally
True
False

A

False

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29
Q

They are sensing agents that coordinates the function of all the cells in the body:

Enzymes
Receptors
Ligands
Proteins

A

Receptors

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30
Q

The stomach and the GIT limits the efficacy of many drugs when taken orally

True
False

A

True

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31
Q

Alpha & beta receptors belong the family of G protein-coupled receptors
True
False

A

True

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32
Q

This is used to restore the cardiac rhythm in patients with cardiac arrest:

Dobutamine
Dopamine
Amphetamine
Epinephrine

A

Epinephrine

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33
Q

Enteral route introduces an agent direct to a person circulation across the body’s barrier system

True
False

A

False

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34
Q

Which of the following receptors is a cardio-selective?
Alpha 1
None
Alpha 2
All
Beta 1
Beta 2

A

Beta 1

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35
Q

The following is/are action/s of ATROPINE in the eye

Able to focus near objects
All except one
Mydriasis
All
Pupillary constriction
Responsive to light

A

All except one

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36
Q

Which route of drug administration has an erratic and incomplete
absorption of drugs

Subcutaneous
Inhalation
Rectal
Intrathecal

A

Rectal

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37
Q

Allergic reactions are unpredictable & dose-dependent.

True
False

A

False

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38
Q

Route of drug administration that delivers a local effect of the drug

Rectal
Topical
Transdermal
Sublingual

A

Topical

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39
Q

Allergic reactions are unpredictable & dose-dependent.
True
False

A

False

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40
Q

Non-selective alpha blockers can stimulate beta receptors in the heart, causing tachycardia and arrhythmias.

True
False

A

True

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41
Q

In patients with diabetes mellitus, the dose of insulin must be decreased if epinephrine is given because of increased uptake of glucose by the peripheral tissue.

True
False

A

False

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42
Q

Food may delay gastric emptying and therefore can aid in the absorption of drugs

True
False

A

True

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43
Q

Dopamine comes from exogenous & endogenous sources

True
Fals

A

True

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44
Q

Which of the following is/are ganglionic blockers?

Atropine
All
None
Tropicamide
Nicotine
Scopolamine

A

Nicotine

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45
Q

Which of the following is/are 3rd generation beta blockers (non-selective), can produce peripheral vasodilation blocking alpha1 and beta receptors?

Pindolol
None
Labetalol
Nadolol
Propranolol
All

A

Labetalol

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46
Q

Atropine can be used to treat gastric ulcers because it reduces gastric activity.
True
False

A

False

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47
Q

Which of the following anticholinergic drugs does not enter the CNS?

Ipratropium
Scopolamine
All
Atropine
None

A

Ipratropium

48
Q

The following is or are therapeutic uses neuromuscular blockers

All
None
Facilitates mechanical ventilation Treat enuresis
Antispasmodic
Antidote for insecticide poisoning

A

All

49
Q

Atropine increases intraocular pressure therefore can be use in the treatment of narrow angle glaucoma
True
False

A

False

50
Q

Beta blockers can penetrate the central nervous system
True
False

A

True

51
Q

Antimuscarinic agent of choice for short duration eye procedure or surgery

Tropicamide
Atropine
None
Ipratropium
All
Scopolamine

A

Tropicamide

52
Q

The effect of acetylcholine in decreasing the blood pressure is due to vasodilation which is turn due to nitric oxide
True
False

A

False

53
Q

Muscarinic 2 receptors & beta receptors are found in the heart
True
False

A

True

54
Q

Antagonists produce no effects by themselves because they have decreased affinity to receptors.
True
False

A

False

55
Q

Antimuscarinic agent that results to broncho dilation and reduction of mucus secretion.

All
None
Scopolamine
Cyclopentolate
Tropicamide
Tiotropium
Atropine

A

Tiotropium

56
Q

Which of the following is/are the adverse effects of antimuscarinic drugs?

None
Stasis of urine
Confusion
All
Agitation Blurring of vision Dry mouth

A

All

57
Q

This tumor in the adrenal gland releases as much as 97% of norepinephrine:
Adenome
Large cell carcinoma
Pheochromocytoma
Small cell carcinoma

A

Pheochromocytoma

58
Q

Which of the following routes of drug administration has the most complicated means of absorbing drug

Intravenous
Sublingual
Oral
Intramuscular

A

Oral

59
Q

The following is/are selective alpha antagonists that are effective treatment for BPH (Benign Prostate Hypertrophy)

Terazosin
Prazosin
Doxazosin
None
Tamsulosin
All

A

All

60
Q

This is used in the treatment of hypertension:

Epinephrine
Norepinephrine
Dopamine
Clonidine

A

Clonidine

61
Q

The following is or are physical that influences drug absorption.
Contact time at the absoprtion surface

Total surface area
Blood flow
Capillary permeability
All except one
All

A

All

62
Q

Anticholinergic of choice for motion sickness.

All
Scopolamine
Atracurium
Atropine
None
Tiotropium
Nicotine
Ipratropium

A

Scopolamine

63
Q

Hepatic dysfunction can markedly retard the metabolism of drugs
True
False

A

True

64
Q

A highly potent drug is usually highly effective.
True
False

A

False

65
Q

In neuronal uptake of norepinephrine, the norepinephrine’s action is terminated by the drug’s reuptake into the noradrenergic nerve terminals.

True
False

A

True

66
Q

A drug with high efficacy may be a full agonist
True
False

A

True

67
Q

Epinephrine as a bronchodilator, inhibits the release of inflammatory mediators like heparin from the mast cells.
True
False

A

False

68
Q

The following is or are advantage(s) of intravenous route.

Irreversible
Hemolysis
Pain
All except one of the above
All
None

A

None

69
Q

Beta 2 receptors antagonists can be used in asthmatic patients and with COPD
True
False

A

False

70
Q

Oral Penicillin is ideally given in

Empty stomach
With food
With other drugs
Sublingually
None

A

Empty stomach

71
Q

Goal/s of sublingual route is/are
Diffuses into the capillary network

Avoids first-pass metabolism
Enters the systemic circulation directly
A & C
All

A

All

72
Q

Indication/s parenteral

Poor GI absorption/
Unstable GI absorption/
Unconscious patients/
A & C
All

A

All

73
Q

Disadvantages of parenteral

Irreversible
Pain
Infection
A &C
All

A

All

74
Q

Route of drug administration in which introduces through the CSF

Intrathecal
Intraarterial
Intraventricular
A & C
All

A

A & C

75
Q

Disadvantages of rectal route

Erratic absorption
Irritates the rectal mucosa
Incomplete absorption
A & C
All

A

All

76
Q

Parasympatholytic use as adjuvants in anesthesia during surgery ( Cholinergic )

Anti-muscarinic agents
Ganglionic blockers
Neuromuscular blockers
A &C
All

A

Neuromuscular blockers

77
Q

Which cholinergic blocker act/s on the nicotinic receptor

Ganglionic Blockers
Anti-muscarinic agents
Neuromuscular blockers
A &C
All

A

A &C

78
Q

The following is/are effect of nicotine in cigarette

High BP
Tachycardic ( increase heart rate)
Increase secretion
A &C
All

A

All

79
Q

Which among the parasympatholytic drugs do not possess therapeutic use

Anti-muscarinic
Nicotine
Neuromuscular blockers
A &C
All

A

Nicotine

80
Q

Stimulation of sympathetic division of the autonomic nervous system will result to

Increase heart rate bp
Increase flow to skeletal muscles
Pupillary dilation
A &C
All

A

All

81
Q

Chemical signaling between cells is done through, how

Chemical mediators
Hormones
Neurotransmitters
A &C
All

A

All

82
Q

Cholinergic blockers that will now inhibit sympathetic neuron of the salivary and the sweat glands

Anti-muscarinic
Ganglionic Blockers
Neuromuscular blockers
All
None

A

Anti-muscarinic

83
Q

Atropine produces the following effects

Decrease GI and GUT motility
Decrease acid production
Pupillary dilation
A & C
All

A

A & C

84
Q

Cholinergic blockers that has the ability to enter the CNS

Atropine
Ipratropium
Scopolamine
A & C
All

A

A & C

85
Q

Which of the following may be use to overcome atropine toxicity at a low dose

Physostigmine
Scopolamine
Tiotropium
Cyclopentolate
None

A

Physostigmine

86
Q

The following are the action of atropine on the eyes

Mydriasis
Anti-motion sickness
Cyclopegia
A & C
All

A

A & C

87
Q

The following are the action of atropine exert on the GIT

Reduce gastric motility
Reduce hydrochloric acid production
For treatment of ulcers
All
None

A

Reduce gastric motility

88
Q

High dose of atropine in the heart will have the following effects

Rapid heart rate
Blurring of vision
Palpitations
A & C
All

A

A & C

89
Q

Main reasons why atropine was replaced by cyclopentolate and tropicamide

Permits measurement of retractive errors

Prolong mydriasis

Interface the capacity of the eye

A & C
All

A

A & C

90
Q

Preferred drug for pupillary dilation is cyclopedia is not required

Cyclopentolate
Phenylephrine
Tropicamide
A & C
All

A

A & C

91
Q

Which of the following agents are used in the treatment of insecticide or mushroom poisoning

Scopolamine
Nicotine
Atropine
A & C
All

A

Atropine

92
Q

The following statements are true with adrenergic antagonists.

Trigger the usual receptor-mediated intracellular effects.

Sympathomimetics

Act either reversibly or irreversibly attaching to the adrenoceptors.

A & C
None

A

Act either reversibly or irreversibly attaching to the adrenoceptors.

93
Q

Which of the following organ-systems in the human body is primarily managed or treated with adrenergic antagonists/blockers?

Gastrointestinal
Genito-urinary
Cardiovascular
Reproductive
None

A

Cardiovascular

94
Q

The following are the effects upon blockade of alpha 1 adrenoceptors.

Profoundly affects blood pressure-
Reduces sympathetic tone of blood vessels
Decreases peripheral vascular resistance
A&C
All

A

A&C

95
Q

A catecholamine-secreting tumor of the adrenal medulla which is associated with sweating and hypertension and is treated with phenoxybenzamine.

Raynaud’s disease
Pheochromocytoma
Frostbite
A&C
All

A

Pheochromocytoma

96
Q

Which of the following are selective competitive blockers of the alpha receptors?

Prazosin
Terazosin
Doxazosin
A& C
All

A

All

97
Q

Which of the following selective alpha 1 blockers which are indicated by the treatment of benign prostatic hyperplasia?

Tamsulosin
Alfuzosin
Silodosin
A&C
All

A

All

98
Q

Which of the following drugs can result in a “First -dose” effect ____

Phenoxybenamine
Propranolol
Phentolamine
A & C
NOne

A

A & C

99
Q

Which of the following ways ‘first dose’ effect can be minimized?

Give the drug at bedtime
Double the dose
Adjust dose to one third or one fourth of the normal dose
A&C
ALL

A

A&C

100
Q

Which of the following is alpha 2 selective blocker?

Yohimbine
Prazosin
Timolol
Propranolol
All

A

Yohimbine

101
Q

Which of the cardioselective Beta blockers?

Atenolol
Propranolol
Metoprolol
A& C
All

A

A& C

102
Q

Which of the following is the reason why Beta blockers do not induce postural hypotension?

Alpha adrenaceptors remain functional

Lowers blood pressure

Normal Sympathetic control of vasculature is maintained

A&C
All

A

Normal Sympathetic control of vasculature is maintained

103
Q

Propranolol is contraindicated in which group of patients?

COPD
Hypertensives
Asthma
A&C
All

A

A&C

104
Q

The following are therapeutic uses of Propranolol.

Angina pectoris
Myocardial infarction
Migraine
A&C
All

A

All

105
Q

Which of the following Nonselective Beta blocker/s is/are used for the treatment of chronic glaucoma?

Nadolol
Pilocarpine
Timolol
A&C
AlI

A

Timolol

106
Q

To provide effective antimicrobial therapy, the clinically obtained antibiotics concentration must be greater than

T/F

A

True

107
Q

The total amount of drug present in the serum is important in order for it to pass through the blood-brain barrier

T/F

A

FALSE

108
Q

True or false

Newer drugs should be used initially to treat serious infections when the identity of the causative organism is still unknown to avoid resistance.

A

False

109
Q

True or false

Susceptibility testing is done to narrow the list of possible antimicrobials that could be used in empiric therapy

A

True

110
Q

True or false

Susceptibility testing does not predict the patient’s response to the treatment.

A

False

111
Q

Combination therapy enhances therapeutic efficacy by the use of synergistic interactions of antibiotics

True or false

A

True

112
Q

True or false

Hydrophilic drugs tend to get concentrated in the cell membrane

A

False

113
Q

True or false

Alcoholism can affect the patient’s immune competence, thus a higher-than- dose with shorter course of treatment is indicated. (

A

True

114
Q

Antibiotic taken in by a nursing infant via the breast milk cannot cause adverse effect because the concentration of antibiotic in milk is usually low.

True or false

A

False

115
Q

True or false

in patients with hepatic dysfunction, the dosage of antibiotic need not be because antibiotics are usually eliminated by the kidneys.

A

False

PHARMA (15 decks)

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