PHSI3011 04-2 Cardio- and resp- regulation during exercise

Descrição

PHSI3011 04-2 Cardio- and resp- regulation during exercise
Michael Jardine
Quiz por Michael Jardine, atualizado more than 1 year ago
Michael Jardine
Criado por Michael Jardine aproximadamente 7 anos atrás
9
0

Resumo de Recurso

Questão 1

Questão
Effect of exercise on the following things: Ventilation rate [blank_start]__________[blank_end]; Arterial blood gases and pH [blank_start]__________[blank_end]; Oxygen supply to existing cells [blank_start]__________[blank_end];
Responda
  • Jumps immediately
  • Remains steady
  • Jumps, but lags
  • Drops immediately
  • Drops, but lags
  • Remain steady
  • Jump immediately
  • Jump, but lags
  • Drop immediately
  • Drop, but lags
  • Jumps, but lags
  • Remains steady
  • Jumps immediately
  • Drops, but lags
  • Drops immediately

Questão 2

Questão
At the end of exercising, what happens to each of the following parameters: HR [blank_start]__________[blank_end]; MAP [blank_start]__________[blank_end]; TV [blank_start]__________[blank_end];
Responda
  • Remains in exercise-state for a while
  • Returns to normal* immediately
  • Fuck all
  • Returns to normal* immediately
  • Remains in exercise-state for a while
  • Fuck all
  • Remains in exercise-state for a while
  • Returns to normal* immediately
  • Fuck all

Questão 3

Questão
As exercise intensity increases… TPR [blank_start]__________[blank_end]; MAP [blank_start]__________[blank_end];
Responda
  • Falls
  • Falls slightly
  • Falls dramatically
  • Rises
  • Rises slightly
  • Rises dramatically

Questão 4

Questão
During exercise, the motor cortex sends signals to:
Responda
  • Hypothalamus
  • Brainstem
  • Skeletal muscle
  • Pons
  • Hippocampus

Questão 5

Questão
Which of the following move the curve to the right?
Responda
  • Increased H+ concentration
  • Increased CO2 concentration
  • Increased temperature
  • Decreased pH
  • Decreased H+ concentration
  • Decreased CO2 concentration
  • Increased pH
  • Decreased temperature

Questão 6

Questão
In skeletal muscle during maximal exercise: Blood flow is [blank_start]__________[blank_end] [blank_start]__________[blank_end] (compared to rest); Oxygen extraction fraction is [blank_start]__________[blank_end] [blank_start]__________[blank_end] (compared to rest); …therefore Oxygen consumption is [blank_start]__________[blank_end] [blank_start]__________[blank_end] (compared to rest);
Responda
  • Increased
  • Decreased
  • Increased
  • Decreased
  • Increased
  • Decreased
  • ~3X
  • ~6X
  • ~20X
  • ~30X
  • ~60X
  • ~180X
  • ~2X
  • ~40X
  • ~120X
  • ~2X
  • ~3X
  • ~6X
  • ~20X
  • ~30X
  • ~40X
  • ~60X
  • ~120X
  • ~180X
  • ~2X
  • ~3X
  • ~6X
  • ~20X
  • ~30X
  • ~40X
  • ~60X
  • ~120X
  • ~180X

Questão 7

Questão
Chemoreflex is [blank_start]__________[blank_end] during exercise.
Responda
  • Increased
  • Decreased
  • Unaffected

Questão 8

Questão
Baroreceptor reflex is [blank_start]__________[blank_end] during exercise.
Responda
  • Increased
  • Decreased
  • Unaffected

Questão 9

Questão
The baroreceptor reflex ultimately ends up doing what to MAP?
Responda
  • Increasing
  • Decreasing
  • Nothing

Questão 10

Questão
Ergoreceptors are:
Responda
  • Mechanoreceptors
  • Chemoreceptors
  • Nociceptors
  • Baroreceptors

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