Physiology of Respiration Quiz
24 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary factor that may increase Basal Metabolic Rate (BMR)?

  • Diffusion
  • Decrease
  • Perfusion
  • Environmental temperatures (correct)

Which activity contributes to Basal Metabolism?

  • Diffusion
  • Maintaining body temperature (correct)
  • Exercise
  • Vasoconstriction

What happens when daily energy intake is less than total daily energy expenditure?

  • Perfusion increases
  • Vasoconstriction occurs
  • Weight increases (correct)
  • Basal Metabolic Rate decreases

Which factor is NOT associated with an increase in Basal Metabolic Rate?

<p>Diffusion (D)</p> Signup and view all the answers

What is the primary determinant of weight stability in relation to energy balance?

<p>Total daily energy expenditure equaling daily energy intake (B)</p> Signup and view all the answers

What effect does an increase in metabolic rate have on respiratory rate?

<p>It increases the respiratory rate to supply more oxygen to the cells. (D)</p> Signup and view all the answers

What is the primary site of heat loss in the body?

<p>Skin (B)</p> Signup and view all the answers

How does a decrease in basal metabolic rate affect the respiratory rate?

<p>It decreases the respiratory rate due to reduced oxygen demand. (D)</p> Signup and view all the answers

Which process involves the diffusion or dissemination of heat by electromagnetic waves?

<p>Radiation (C)</p> Signup and view all the answers

What effect does vasoconstriction have on perfusion?

<p>It decreases perfusion by constricting blood vessels and reducing blood flow. (D)</p> Signup and view all the answers

What is the transfer of heat to another object during direct contact known as?

<p>Conduction (C)</p> Signup and view all the answers

What environmental or pathophysiologic alteration could result in an increase in respiratory rate?

<p>Acid-base imbalance (A)</p> Signup and view all the answers

What is the term for the process of liquid turning into vapor as a means of heat loss?

<p>Evaporation (D)</p> Signup and view all the answers

How does an increase in respiratory rate affect the exchange of gases in the lungs?

<p>It decreases the exchange of gases due to reduced time for diffusion. (D)</p> Signup and view all the answers

In response to core body temperature and environmental temperature, what controls the opening and closing of arterio-venous shunts located below the skin surface?

<p>Sympathetic nervous system (A)</p> Signup and view all the answers

What is the primary source of heat production?

<p>Shivering (D)</p> Signup and view all the answers

Which hormone is a primary source of heat produced by various mechanisms?

<p>Epinephrine / norepinephrine (A)</p> Signup and view all the answers

What is the function of contraction of pilomotor muscles?

<p>Decreasing surface area of skin available for heat loss (C)</p> Signup and view all the answers

What is the role of vasodilation in body temperature regulation?

<p>Increasing heat loss (B)</p> Signup and view all the answers

What term describes the process of decreasing the radius of arterioles?

<p>Vasoconstriction (C)</p> Signup and view all the answers

What is the term for the volume of blood ejected by the left ventricle in one contraction?

<p>Cardiac output (B)</p> Signup and view all the answers

In the context of blood pressure, what does systolic pressure represent?

<p>Force of moving blood against the arterial walls when the ventricles contract (C)</p> Signup and view all the answers

What is the term used to describe difficulty breathing with shallow, rapid respirations?

<p>Dyspnea (B)</p> Signup and view all the answers

What is the term for the long-term regulation of blood pressure by regulating extracellular volume through the kidneys?

<p>Renin-angiotensin-aldosterone system (B)</p> Signup and view all the answers

More Like This

Physiologie de la Respiration chez l'Enfant
56 questions
Physiology of Heart Rate and Breathing
13 questions
Use Quizgecko on...
Browser
Browser