Copiar e Editar

Pharmacology VI

Descrição

Praxis Tests: Pharmacology Quiz sobre Pharmacology VI, criado por ACAPUN INSTITUTE em 08-11-2021.
ACAPUN INSTITUTE
Quiz por ACAPUN INSTITUTE, atualizado more than 1 year ago
ACAPUN INSTITUTE
Criado por ACAPUN INSTITUTE quase 3 anos atrás
338
0
0

Resumo de Recurso

Questão 1

Questão
Quinidine is principally used to treat
Responda
  • a. Hypertension
  • b. Angina pectoris
  • c. Congestive hear failure
  • d. Supraventricular tachyarrhythmias

Questão 2

Questão
Quinidine is used to treat
Responda
  • a. Hypertension
  • b. Angina pectoris
  • c. Atrial fibrillation
  • d. Ventricular fibrillation
  • e. Congestive hear failure

Questão 3

Questão
Verapamil is most efficacious in the treatment of
Responda
  • a. Atrial fibrillation
  • b. Atrial tachycardia
  • c. Ventricular tachycardia
  • d. Catecholamine-induced arrhythmias

Questão 4

Questão
Which of the following drugs is most useful in treating or preventing angina pectoris?
Responda
  • a. Digitalis
  • b. Quinidine
  • c. Propranolol
  • d. Procainamide
  • e. Pentobarbital

Questão 5

Questão
Each of the following drugs can be used in the prevention and treatment of angina pectoris EXCEPT
Responda
  • a. Digitalis
  • b. Propranolol
  • c. Nitroglycerin
  • d. Isosorbide dinitrate
  • e. Pentaerythritol tetranitrate

Questão 6

Questão
All of the following drugs are useful in the treatment of hypertension EXCEPT
Responda
  • a. Ephedrine
  • b. Reserpine
  • c. Methyldopa
  • d. Thiazide diuretics

Questão 7

Questão
Digitalis is useful in the treatment of which of the following conditions?
Responda
  • a. Atrial fibrillation
  • b. Congestive heart failure
  • c. Paroxysmal atrial tachycardia
  • d. All of the above

Questão 8

Questão
All of the following drugs are useful in the treatment of cardiac arrhythmias EXCEPT
Responda
  • a. Digitalis
  • b. Lidocaine
  • c. Phenytoin
  • d. Procainamide
  • e. Aminophylline

Questão 9

Questão
The drug of choice for initial therapy for mild hypertension is
Responda
  • a. Reserpine
  • b. Guanethidine
  • c. Phenobarbital
  • d. Chlorothiazide
  • e. Alpha-methyldopa

Questão 10

Questão
Which of the following antihypertensives are usually reserved for treatment of severe hypertension?
Responda
  • a. Sedatives and reserpine
  • b. Thiazide diuretics and reserpine
  • c. Sedatives and thiazide diuretics
  • d. Guanethidine and ganglionic blocking agents

Questão 11

Questão
Which of the following beta-adrenergic receptor blocking agents is thought to be cardioselective?
Responda
  • a. Nadolol
  • b. Timolol
  • c. Metoprolol
  • d. Propranolol

Questão 12

Questão
Antiarrhythmic drugs, such as quinidine, suppress certain cardiac arrhythmias by
Responda
  • a. Stimulating the beta-adrenergic receptor
  • b. Suppressing cardiac ATP-ase activity
  • c. Increasing ectopic pacemaker activity
  • d. Increasing the refractory period of cardiac muscle

Questão 13

Questão
Most drugs useful in the treatment of cardiac arrhythmias act primarily by
Responda
  • a. Blocking Purkinje fibers
  • b. Blocking the alpha-adrenergic receptor
  • c. Suppressing SA node impulse formation
  • d. Causing a positive inotropic effect
  • e. Increasing the refractory period of cardiac muscle

Questão 14

Questão
The most important pharmacologic action of drugs that suppress cardiac arrhythmias is
Responda
  • a. Blockade of the vagus nerve
  • b. Stimulation of cardiac ATP-ase activity
  • c. Blockade of the Beta-adrenergic receptor
  • d. Stimulation of the beta-adrenergic receptor
  • e. Increased refractory period of cardiac muscle

Questão 15

Questão
Lidocaine produces its antiarrhythmic effects by
Responda
  • a. Increasing AV conduction
  • b. Decreasing cardiac excitability
  • c. Increasing cardiac conduction velocity
  • d. Increasing spontaneous pacemaker activity

Questão 16

Questão
When digitalis is used in atrial fibrillation, the therapeutic objective is to
Responda
  • a. Abolish cardiac decompensation
  • b. Inhibit vagal impulses to the heart
  • c. Decrease the rate of A-V conduction
  • d. Increase the rate of cardiac repolarization
  • e. Produce a decrease in the rate of atrial contraction

Questão 17

Questão
Nitroglycerin dilates the coronary arteries in angina pectoris by
Responda
  • a. Decreasing the heart rate reflexly
  • b. Increasing the metabolic work of the myocardium
  • c. Direct action on smooth muscle in the vessel walls
  • d. Increasing the effective refractory period in the atrium
  • e. Blocking beta-adrenergic receptors

Questão 18

Questão
Propranolol is of value in treating angina pectoris because it
Responda
  • a. Has a direct action on vascular smooth muscle
  • b. Blocks autoregulatory mechanisms in the heart
  • c. Inhibits oxygen metabolism in cardiac cells
  • d. Provides relief within seconds of an acute anginal attack
  • e. Prevents chronotropic responses to endogenous epinephrine emotions and exercise

Questão 19

Questão
Administration of angiotensin results in
Responda
  • a. Anti-inflammatory effects
  • b. Antihistaminic effects
  • c. Increased blood pressure
  • d. Increased heart rate
  • e. A sedative effect

Questão 20

Questão
The primary antihypertensive effect of captopril (Capoten) is due to accumulation of
Responda
  • a. Serotonin
  • b. Angiotensin I
  • c. Angiotensin III
  • d. Bradykinin metabolites

Questão 21

Questão
Administration of angiotensin results in
Responda
  • a. A sedative effect
  • b. Increased heart rate
  • c. Increased blood pressure
  • d. Antihistaminic effects
  • e. Anti-inflammatory effects

Questão 22

Questão
Which of the following is NOT characteristic of the thiazide diuretics?
Responda
  • a. Increase renal excretion of sodium and chloride
  • b. Increase renal excretion of potassium
  • c. Increase the toxicity of digitalis
  • d. Exacerbate existing diabetes
  • e. Cause hypokalemia
  • f. Cause hypoglycemia

Questão 23

Questão
The most useful diuretic drugs act by
Responda
  • a. Increasing the glomerular filtration rate
  • b. Decreasing the renal reabsorption of sodium
  • c. Decreasing the renal excretion of chloride
  • d. Increasing the renal reabsorption of potassium
  • e. Increasing the secretion of antidiuretic hormone

Questão 24

Questão
Which of the following drugs act by inhibiting renal reabsorption of sodium?
Responda
  • a. Urea
  • b. Chlorothiazide
  • c. Theophylline
  • d. digitalis glycosides
  • e. Procainamide

Questão 25

Questão
Digoxin exerts its positive inotropic effect by
Responda
  • a. Activation of adenylcyclase
  • b. Inhibition of phosphodiesterase
  • c. An agonist effect of beta-receptors
  • d. Inhibition of Na+, K+ ATPASE leading to increased calcium influx
  • e. Decreasing the amount of calcium available for excitationcontraction coupling

Questão 26

Questão
Digitoxin is effective in the treatment of cardiac failure because it
Responda
  • a. Is primarily a diuretic
  • b. Reduces the ventricular rate
  • c. Decreases abnormal cardiac rhythms
  • d. Produces peripheral vasoconstriction
  • e. Has a positive cardiac inotropic action

Questão 27

Questão
The primary action of therapeutic doses of digitalis on cardiac muscle is an increase in
Responda
  • a. Force of contraction
  • b. Ventricular excitability
  • c. Refractory period of the atrial muscle
  • d. Refractory period of the ventricular muscle
  • e. Rate of conduction of impulse to the muscle

Questão 28

Questão
The beneficial effects of digitalis in congestive heart failure result in part from the fact that digitalis causes a. A decrease in end-diastolic volume b. A decrease in end-diastolic pressure c. An increase in stroke volume and cardiac output d. A decrease in central venous pressure e. A decrease in rate of the hear where tachycardia exists
Responda
  • a) (a), (b) and (c)
  • b) (a) and (c) only
  • c) (c) and (d)
  • d) (e) only
  • e) All of the above

Questão 29

Questão
The cardiac glycosides will increase the concentration of which ion in an active heart muscle?
Responda
  • a. Sodium
  • b. Bromide
  • c. Calcium
  • d. Chloride
  • e. Potassium

Questão 30

Questão
Which of the following ions augments the inotropic effect of digitalis?
Responda
  • a. Sodium
  • b. Lithium
  • c. Calcium
  • d. Chloride
  • e. Magnesium

Questão 31

Questão
In the treatment of congestive heart failure, digitalis glycosides generally decrease all of the following EXCEPT
Responda
  • a. Edema
  • b. Urine flow
  • c. Heart size
  • d. Heart rate
  • e. Residual diastolic volume

Questão 32

Questão
The mechanism of action of prazosin, an antihypertensive agent is to
Responda
  • a. Block beta-adrenergic receptors
  • b. Inhibit formation of angiotensin II
  • c. Inhibit nerve-induced release of norepinephrine
  • d. Stimulate central inhibitory alpha-adrenergic receptors
  • e. Inhibit the postsynaptic of norepinephrine on vascular smooth muscle

Questão 33

Questão
Which of the following owes a significant amount of its antihypertensive effect to a central action?
Responda
  • a. Methyldopa
  • b. Metoprolol
  • c. Hydralazine
  • d. Propranolol
  • e. Guanethidine

Questão 34

Questão
Which of the following drugs is thought to reduce arterial blood pressure by activating alpha receptors in the vasomotor center of the medulla?
Responda
  • a. Prazosin
  • b. Clonidine
  • c. Propranolol
  • d. Guanethidine
  • e. Chlorothiazide

Questão 35

Questão
Propranolol (Inderal) can be useful in the treatment of hypertension because it blocks
Responda
  • a) (a) and (b)
  • b) (a) and (d)
  • c) (b), (c) and (d)
  • d) (c), (d) and (e)
  • e) (c) and (e) only

Questão 36

Questão
One of the proposed mechanisms of the antihypertensive effect of beta-adrenergic receptor blocking agents is
Responda
  • a. Sedation
  • b. A diuretic effect
  • c. An antirenin effect
  • d. A vagal blocking effect
  • e. An increase in cardiac output

Questão 37

Questão
Selective beta-1 adrenergic agonists will produce which of the following effects?
Responda
  • a. Glycogenolysis
  • b. Increased cardiac output
  • c. Decreased diastolic pressure
  • d. Decreased peripheral resistance
  • e. Relaxation of bronchial smooth muscle

Questão 38

Questão
Ototoxicity with deafness may encountered occasionally in patients taking which of the following diuretic agents?
Responda
  • a. Osmotic
  • b. Thiazide
  • c. Mercurial
  • d. High-ceiling

Questão 39

Questão
Ototoxicity with deafness may encountered occasionally in patients taking which of the following diuretic agents?
Responda
  • a. Osmotic
  • b. Thiazide
  • c. Mercurial
  • d. High-ceiling

Questão 40

Questão
Symptoms of digitalis toxicity include all of the following EXCEPT
Responda
  • a. Extrasystoles
  • b. Nausea and vomiting
  • c. Yellow-green vision
  • d. A-V conduction block
  • d. Chlorothiazide
  • e. Acetylsalicylic acid

Quer criar seus próprios Quizzes gratuitos com a GoConqr? Saiba mais.

Semelhante

Prueba de lectura
Deisy Medina
S4. Actividad 1. Tipos de investigación
Alberto Oranday
Resumen del libro manos Consagradas
Anthony Manrique
Relación de la ética con otras disciplinas
Valeria Itzel Re
PRIMER PARCIAL ECOLOGÍA Y MEDIO AMBIENTE
Planeacion Educativa Teocaltiche
TEST MIEMBRO INFERIOR
acole.esalud
Linux Essentials Tema 2
Ozelitotiktak
LOS SIETE CRITERIOS DE LA TEXTUALIDAD
Carlos Andrés Cruz Vargas
TEST DE LA EDAD MEDIA
Juan Muñoz
Reproducción de las plantas: Polinización y Fertilización
D. D.
TEST DE LA QUIMICA ORGANICA
Sebas Gomez1292
Explore a Biblioteca