adrenergic blocker Flashcards

1
Q

Which of the following is correct regarding β-blockers?
A- β-Blockers decrease peripheral resistance by causing vasorelaxation.
B- β-Blockers may cause orthostatic hypotension.
C- Treatment with β-blockers should not be stopped abruptly.
D- Cardioselective β-blockers worsen asthma.

A

C- Treatment with β-blockers should not be stopped abruptly.

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2
Q

The Optometrist diagnose the patient with glaucoma,Which of the following drugs is commonly used topically in the treatment of glaucoma?
A- Atropine. B- Timolol. C- Tropicamide. D- Propanolol

A

B- Timolol.

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3
Q

Which of the following is correct regarding carvedilol ?
A- Carvedilol is a cardioselective β-blocker.
B- Carvedilol is safe for use in asthma patients.
C- Carvedilol has α -blocking activity.
D- Carvedilol is contraindicated in the treatment of stable chronic heart failure

A

C- Carvedilol has α -blocking activity.

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4
Q

A β-blocker was prescribed for hypertension in a female asthma patient. After about a week of treatment, the asthma attacks got worse, and the patient was
asked to stop taking the β-blocker. Which of the following β-blockers would you suggest as an alternative in this patient that is less likely to worsen her asthma?
A- Propranolol. B- Metoprolol. C- Labetalol. D-Carvedilol

A

B- Metoprolol.

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5
Q

Which one of the following in NOT feature of Labetalol ?

A-Na channels blocking. B-selective beta-blocker. C- intrinsic sympathomimetic activity. D-quinidine-like action

A

B-selective beta-blocker.

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6
Q

A 40 years old female which is diabetic and asthmatic patient comes to the hospital with chest pain, unable to sleep unless use 3 pillows and edema in her
leg and ankle, after the investigation the diagnosis was heart failure, which one of beta-blocker the doctor will use to treat her:
A- Propranolol. B- Timolol. C- Metoprolol. D- Labetalol.

A

C- Metoprolol

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7
Q

A 30 years old pregnant woman comes to the emergency with sever hypertension, what is the best choice to treat her high pressure ?
A- Carvedilol. B-Propranolol. C- Bisoprolol. D- Labetalol.

A

D- Labetalol.

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8
Q

A 49 years old diabetic patient was brought to the emergency because he is in hypoglycemia coma, after taking history the patient is diabetic and has
hypertension and the doctor prescript to him a drug for his hypertension, what is the most likely drug the doctor prescript ?
A- Atenolol. B- Metoprolol. C- Propranolol. D- Bisoprolol.

A

C- Propranolol.

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9
Q

which one of beta-blockers can be used for migraine prophylaxis ?
A- Propranolol. B- Timolol. C- Carvedilol. D-Esmolol

A

A- Propranolol

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10
Q

Which one of the of the following drugs also works as an antioxidant?
A- Bisoprolol. B- Timolol. C- Carvedilol. D- Atenolol.

A

C- Carvedilol.

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11
Q

A patient came to the clinic complaining of tachycardia, tremors, and sweating when he goes on stage. Which one of the following beta blockers would you prescribe?
A- Labetalol. B- Propanolol. C- Timolol. D- Atenolol

A

B- Propanolol

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12
Q

Which of the following beta blockers has an intrinsic sympathomimetic activity effect?
A- Atenolol. B- Carvedilol. C- Propanolol. D- Labetalol

A

D- Labetalol

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13
Q

Which one of the following is NOT correct regarding of Propranolol ?
A- ISA effect. B- quinidine-like. C- Non-selective D- Local anesthetic effect

A

A- ISA effect.

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14
Q

Which one of the following drugs can be used to decrease Anxiety ?
A- Sotalol. B- Esmolol. C- Bisprolol. D- Metoprolol.

A

D- Metoprolol.

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15
Q
Which of the following beta-blockers also has additional alpha-blocking activity?
Nadolol
Pindolol
Labetalol
Esmolol
A

Labetalol

Labetalol has additional alpha-blocking activity. Other beta-blockers with alpha-blocking activity include bucindolol and carvedilol.

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16
Q

Which of the following statements about beta-blockers is false?
Beta-blockers should be avoided with non-dihydropyridine calcium channel blockers
Beta-blockers increase renin secretion
Non-selective beta-blockers are contraindicated in asthma
Beta-blockers prolong the refractory period of the AV node

A

Beta-blockers increase renin secretion

17
Q
Which of the following beta-blockers has intrinsic sympathomimetic activity (ISA)?
Bisoprolol
Timolol
Pindolol
Propanolol
A

Pindolol
Pindolol has intrinsic sympathomimetic activity (ISA) – meaning that pindolol does not have full beta-antagonist activity. Beta-blockers with ISA may be useful, for instance, in patients for whom excessive bradycardia has become a problem.

18
Q

A 49-year-old woman presented to the Outpatient Clinic, with right upper abdominal pain and backache that had lasted 10 days. She had no palpitation,
sweating. Finally she has diagnosed with Adrenal Pheochromocytoma. which kind of drugs can be used to prevent Hypertensive crisis during the surgical
remove of the mass ?
A- selective alpha1 antagonists
B- selective alpha2 agonists
C- selective beta antagonists
D- non-selective alpha antagonists

A

D- non-selective alpha antagonists

19
Q

Which one of the following drugs will produce the strongest tachycardiac effect (reflex tachycardia)?
A- Prazosin B- Doxazosin. C- Tamsulosin. D-Phenoxybenzamine.

A

D-Phenoxybenzamine.

20
Q

Which one of the following alpha-receptor antagonists can be used to treat a male with erectile dysfunction ?
A- Apraclonidine. B- Prazosin. C- Tamsulosin. D- Yohimbine.

A

D- Yohimbine.

21
Q

Which one of the following drugs can be given to patient came to the clinic with numb and cold blueish extremities due to peripheral vasoconstriction?
A- Clonidine. B- Doxazosin. C- Tamsulosin. D-Phenoxybenzamine.

A

B- Doxazosin.

22
Q

Which one of the following drugs does not use as antihypertensive drugs ?
A- Doxazosin. B-Terazosin. C- Tamsulosin.

A

C- Tamsulosin.

23
Q

A 70-year-old male needs to be treated with an α-blocker for overflow incontinence due to his enlarged prostate. Which of the following drugs would you
suggest in this patent that will not affect his blood pressure significantly?
A- Phentolamine. B- Prazosin. C- Terazosin. D- Tamsulosin.

A

D- Tamsulosin.

24
Q

A 60-year-old female patient started on a new antihypertensive medication recently. Her blood pressure seems to be under control, but she complains of
fatigue, drowsiness, and fainting when she gets up from the bed (orthostatic hypotension). Which of the following drugs is she most likely taking?
A- Clonidine. B-Prazosin. C- Metoprolol. D-Timolol.

A

B-Prazosin.

25
Q

Which of the following is correct regarding α-adrenergic blockers?
A- α-Adrenergic blockers are used in the treatment of hypotension in anaphylactic shock.
B- α-Adrenergic blockers are used in the treatment of benign prostatic hyperplasia .
C- α-Adrenergic blockers reduce the frequency of urination.
D- α-Adrenergic blockers may cause bradycardia.

A

B- α-Adrenergic blockers are used in the treatment of benign prostatic hyperplasia