
Farmacología II 2.2
Quiz
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Others
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University
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Practice Problem
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Hard
Lynn Abmel
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la función principal del calcio intracelular mencionada en el texto?
Liberación de neurotransmisores
Fenómenos de exocitosis
Contracción muscular
Coagulación
Answer explanation
The main function of intracellular calcium mentioned in the text is muscle contraction.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué condiciones aumentan la densidad de los canales de calcio?
Ingesta de sal
Miocardiopatías
Hipertensión arterial
Edad avanzada
Answer explanation
Increased age is a condition that raises the density of calcium channels.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué subunidad contiene el poro iónico y los sitios de unión para los fármacos en los canales de calcio?
Subunidad γ
Subunidad β
Subunidad α2
Subunidad α1
Answer explanation
The correct subunit containing the ionic pore and drug binding sites in calcium channels is Subunit α1.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el mecanismo de acción de los antagonistas del calcio?
Inhiben la liberación de neurotransmisores
Aumentan la contracción muscular
Bloquean la entrada de calcio
Bloquean la entrada de sodio
Answer explanation
Calcium channel blockers work by blocking the entry of calcium into cells, leading to vasodilation and decreased contractility of the heart.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué efecto producen los antagonistas del calcio en la musculatura lisa vascular?
Incremento de la presión arterial
Vasoconstricción
Aumento de la poscarga
Vasodilatación
Answer explanation
Calcium antagonists cause vasodilation in vascular smooth muscle, leading to a decrease in blood pressure.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es una aplicación clínica de los antagonistas del calcio en arritmias?
Aumento de la frecuencia ventricular
Prevención de taquicardias supraventriculares
Incremento de la fuerza contracción
Reducción de la presión arterial
Answer explanation
Calcium channel blockers are used in the prevention of supraventricular tachycardias, making this the correct choice for clinical application.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué efecto adverso comúnmente asociado a las dihidropiridinas es mencionado en el texto?
Reflujo gastroesofágico
Cefaleas
Estreñimiento
Hipertensión
Answer explanation
The correct answer is 'Cefaleas' because headaches are commonly associated with dihydropyridines, as mentioned in the text.
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