MSK Quiz#14, Vascular Smooth Muscle Physiology  

1. A 65-year-old man with a history of hypertension is prescribed a new medication that acts by opening potassium channels in vascular smooth muscle cells. What is the primary effect of opening these channels on vascular smooth muscle tone? 

Question 1 of 5

2. During a clinical trial for a novel antihypertensive drug, researchers find that the drug inhibits phospholipase C (PLC) activity in vascular smooth muscle cells. Which of the following downstream effects is most likely reduced by this drug? 

Question 2 of 5

3. A researcher is studying the effects of nitric oxide (NO) on vascular smooth muscle cells. She observes that NO leads to vasodilation. This effect is primarily mediated through which of the following mechanisms? 

Question 3 of 5

4. A patient is given a medication that mimics the action of endothelin-1 (ET-1) on vascular smooth muscle. Which of the following effects on blood vessels is most likely to occur as a result of this medication? 

Question 4 of 5

5. A group of researchers is investigating a new drug that blocks voltage-gated calcium channels in vascular smooth muscle. Which of the following is the most likely immediate effect of this drug on the vascular system? 

Question 5 of 5


 

¡Por tiempo limitado!

Unete a nuestro boletín mensual y obtén todos nuestros talleres USMLE/ECFMG ¡GRATIS! (+100 videos)

¡Únete a nuestra comunidad de IMGs!

¡Obtén actualizaciones mensuales USMLE y ECFMG, además, obtén un taller USMLE gratis al instante!

"Taller 01: ¿Qué es el USMLE?”

Taller Gratuito USMLE

Este taller proporciona un análisis en profundidad de todos los exámenes USMLE, consejos para tomar exámenes y cómo estudiar de manera efectiva.

OFERTA POR TIEMPO LIMITADO

Especialista ECFMG: Dr. Carla Rebeca Lainez Casal

Facultad de Medicina: Universidad Catholica de Santiago de Guayaquil
ECFMG Certification date: October 13, 2022.
Residency: 2023 Internal Medicine Applicant
+1 7542724970