Physiology

ivenkat
Quiz by ivenkat, updated more than 1 year ago
ivenkat
Created by ivenkat over 6 years ago
9
0

Description

Cardiovascular physiology questions

Resource summary

Question 1

Question
ECC sequence of events are as follows except
Answer
  • Depolarization travels to sarcolemma - T tubules - T type Calcium channels are opened
  • Calcium released into the cytoplasm - 80%
  • Calcium that is released will activate Calcium release channels in the lateral sacs
  • 1&2 are wrong
  • All of them are wrong

Question 2

Question
All of the following regarding Reynold's number are true except?
Answer
  • Decrease in diameter increases the Reynold's number - mechanism in Aortic Stenosis
  • Severe Aortic stenosis (affecting the cardiac output) the increase in velocity - causes an increase in Reynold's number
  • In high altitude a decrease in viscosity will increase the Reynold's number
  • All of the above

Question 3

Question
All of the following cause an increase in pulse pressure except?
Answer
  • Aortic regurgitation
  • Exercise
  • AV fistula
  • Pulmonary regurgitation

Question 4

Question
All of the following about contractility are true except?
Answer
  • Catecholamines increase the contracility
  • Digitalis depresses the myocardium thereby decreasing contractility
  • Frequent stimulation increases the contractality
  • To assess contractility the preload has to be constant

Question 5

Question
All of the following are true about exercise except?
Answer
  • Increase in Systolic pressure because of increase in cardiac output
  • decrease in diastolic pressure because of increase in peripheral vascular resistance due to increased sympathetic activity
  • increased pulse pressure
  • decreased firing of the baroreceptors

Question 6

Question
All of the following are seen in Hypovolemic shock except
Answer
  • Systolic pressure is decreased
  • Diastolic pressure is increased
  • Pulse pressure increased
  • Peripheral vascular resistance increased

Question 7

Question
P1 is increased and P2 is decreased when there is an obstruction in all of the following except?
Answer
  • Aortic Stenosis
  • Mitral stenosis
  • Coarctation of aorta
  • femoral arterial obstruction

Question 8

Question
All of the following are true except?
Answer
  • Autoregulation is by which the constancy of flow is maintained with change in mean arterial pressure
  • Metabolites in the blood cause arteriolar vasodilation
  • Brain tissue pH if low causes cerebral vasodilation
  • The level of blood pH has little effect n cerebral blood flow

Question 9

Question
All of the following are true regarding autoregulation except?
Answer
  • It is a reflex
  • Brain, heart and skeletal muscle are examples of autoregulation
  • Kidney and gut do not have autoregulation
Show full summary Hide full summary

Similar

Epithelial tissue
Morgan Morgan
Question Words - GCSE German
lucykatewarman1227
Renal System A&P
Kirsty Jayne Buckley
Muscolo Skeletal System - ANATOMY
Denes Bharati
Introduction to Therapeutic Physical Agents
natalia m zameri
Physiology / Intro psychology
Molly Macgregor
Malignancies
Mark George
Heart and Circulation C
tiwariashley
Cardiovascular Physiology D
tiwariashley
AQA GCSE Product Design Questions
Bella Statham
AQA GCSE Biology B1 unit 1
Olivia Phillips