Rt Cardiovascular Part 2. I

52 Questions | Attempts: 81
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  • 1/52 Questions

    Central control of the Cardiovascular Function

    • Cerebral cortex, medulla
    • Hypothalamus along with peripheral receptors
    • A and B
    • A only
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  • 2. 

    The brain stem continuously receives feedback from these receptors

    • Peripheral receptors

    • Baroreceptors

    • Chemoreceptors

    • B only

    Correct Answer
    A. Peripheral receptors
  • 3. 

    Peripheral receptors transmit 

    • Pressure

    • Volume

    • Chemicals

    • All of the above

    Correct Answer
    A. All of the above
  • 4. 

    Within the Medulla, stimulus to Cardio accelerator area increases SYMPATHETIC stimulation to 

    • SA and AV nodes

    • Left ventricle

    • Right ventricle

    • None of the above

    Correct Answer
    A. SA and AV nodes
  • 5. 

    Increased sympathetic stimulation to SA and AV nodes causes

    • Increase in automaticity (heart rate) and contractility

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Increase in automaticity (heart rate) and contractility
  • 6. 

    DECREASE to vasomotor area INCREASES output to cholinergic receptors in the 

    • Left ventricle

    • Smooth muscle

    • Trachea

    • Pulmonary circuit

    Correct Answer
    A. Smooth muscle
  • 7. 

    INCREASE to vasomotor area ________ output to ________ receptors in the _______ causing _________ and _______ in SVR

    • Increases, adrenergic, smooth muscle, vasoconstriction, increase

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Increases, adrenergic, smooth muscle, vasoconstriction, increase
  • 8. 

    Stimulus to cardio accelerator area _______   ______  stimulation to ___ and ___ nodes, causing ______ in _________

    • Increases, sympathetic, SA, AV, increase in automaticity (heart rate and contractility)

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Increases, sympathetic, SA, AV, increase in automaticity (heart rate and contractility)
  • 9. 

    Stimulus ________ to vasomotor area ______ output to ________ receptors in the _____ muscle, causing _________ and _______ in SVR

    • Decrease, increases, cholinergic, smooth, vasodilation, decrease

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Decrease, increases, cholinergic, smooth, vasodilation, decrease
  • 10. 

    Stimulus of the __________ area _______ vagal (parasympathetic) stimulation to the ___ and ___ node of the heart, causing a ________ in AUTOMATICITY (heart rate) and contractility

    • Cardio inhibitory, increases, SA, AV, decrease

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Cardio inhibitory, increases, SA, AV, decrease
  • 11. 

    Cardio inhibitory, sends info through the Sympathetic Nervous System to decrease HR, then its sends info to 

    • SA node

    • AV node

    • Medulla

    • Chemoreceptors

    Correct Answer
    A. SA node
  • 12. 

    Sends signals to the medulla in response to exercise, pain, or anxiety

    • Occipital cortex

    • Cerebral cortex

    • Hypothalamus

    • Hippocampus

    Correct Answer
    A. Cerebral cortex
  • 13. 

    Cerebral cortex

    • Relays information to the medulla

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Relays information to the medulla
  • 14. 

    Indirectly affects heart rate through medulla from its HEAT-REGULATING FUNCTION

    • Cerebral Cortex

    • Occipital

    • Hypothalamus

    • Hippocampus

    Correct Answer
    A. Hypothalamus
  • 15. 

    Monitor arterial pressures generated by left ventricle

    • Cholinergic receptors

    • Baroreceptors

    • Chemoreceptors

    • Peripheral receptors

    Correct Answer
    A. Baroreceptors
  • 16. 

    Respond to changes in vascular volume

    • Cholinergic receptors

    • Baroreceptors

    • Peripheral receptors

    • Chemoreceptors

    Correct Answer
    A. Baroreceptors
  • 17. 

    Chemoreceptors are located near the high pressure sensors in the ______ and ______ of the carotid arteries

    • Aortic arch, carotid sinuses

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Aortic arch, carotid sinuses
  • 18. 

    Sensitive to changes in blood chemistry

    • Cholinergic receptors

    • Chemoreceptors

    • Baroreceptors

    • Peripheral receptors

    Correct Answer
    A. Chemoreceptors
  • 19. 

    Stimulated by low pH or high carbon dioxide levels

    • Chemoreceptors

    • Baroreceptors

    • Cholinergic receptors

    • Peripheral receptors

    Correct Answer
    A. Chemoreceptors
  • 20. 

    Responds to varying levels of hydrogen ions in the CSF

    • Central receptors

    • Baroreceptors

    • Chemoreceptors

    • Cholinergic receptors

    Correct Answer
    A. Central receptors
  • 21. 

    Main receptor in manipulation ventilation of PaCO2

    • Chemoreceptors

    • Baroreceptors

    • Cholinergic receptors

    • Central receptors

    Correct Answer
    A. Central receptors
  • 22. 

    When their is an increase in PaCO2 and H+HCO3, what tells the lungs to breathe deeper and faster in order to expel more CO2

    • Chemoreceptors

    • Baroreceptors

    • Central receptors

    • Peripheral receptors

    Correct Answer
    A. Central receptors
  • 23. 

    An increase in PaCO2 and H+HCO3 causes an increase in 

    • RR/Depth of Breath (TV) = Ve + F x TV

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. RR/Depth of Breath (TV) = Ve + F x TV
  • 24. 

    Ability to respond to electrical, chemical, or mechanical stimulation

    • Baroreceptor

    • Chemoreceptor

    • Excitability

    • Peripheral receptor

    Correct Answer
    A. Excitability
  • 25. 

    The K+ pump works for the 

    • Lymphatic system

    • Respiratory system

    • Autonomic system

    • Kidneys

    Correct Answer
    A. Autonomic system
  • 26. 

    Relaxes all muscles in the body

    • Thoracic pump

    • Left ventricular contraction

    • Liquor

    • Na+, K+ pump

    Correct Answer
    A. Na+, K+ pump
  • 27. 

    Na+ causes contraction of the

    • Heart

    • Kidneys

    • Lungs

    • None of the above

    Correct Answer
    A. Heart
  • 28. 

    Ability of cardiac muscle to initiate depolarization (contraction)

    • Sub atmospheric pressure

    • Automaticity

    • Autonomy

    • All of the above

    Correct Answer
    A. Automaticity
  • 29. 

    Highly developed in specialized areas called the heart pacemaker (SA node) and the (AV node)

    • Blood flow

    • Automaticity

    • Tidal volume

    • None of the above

    Correct Answer
    A. Automaticity
  • 30. 

    Contractility travels through the 

    • SA node

    • Upper airways

    • Alveoli

    • None of the above

    Correct Answer
    A. SA node
  • 31. 

    Increase in output to adrenergic receptors in the smooth muscle causes

    • Vasodilation and a decrease in SVR

    • Vasoconstriction and an increase in SVR

    • Hypoxemia

    • All of the above

    Correct Answer
    A. Vasoconstriction and an increase in SVR
  • 32. 

    Sends info to the medulla via PNS or SNS

    • Hypothalamus

    • Hippocampus

    • Cerebral cortex

    • Occipital

    Correct Answer
    A. Cerebral cortex
  • 33. 

    The medulla controls

    • HR contractility

    • Leg movements

    • The brain as a whole

    • None of the above

    Correct Answer
    A. HR contractility
  • 34. 

    In order to warm the body up, Hypothalamus sends info via SNS to the 

    • Vasodilator

    • Cardio inhibitor

    • Cardio accelerator

    • All of the above

    Correct Answer
    A. Cardio accelerator
  • 35. 

    In order the body to cool down, Hypothalamus sends info via PNS to the 

    • Cardio accelerator

    • Vasodilator

    • Cardio inhibitor

    • All of the above

    Correct Answer
    A. Cardio inhibitor
  • 36. 

    One set located in aortic arch and carotid sinuses

    • Cholinergic receptors

    • Baroreceptors

    • Chemoreceptors

    • Peripheral receptors

    Correct Answer
    A. Baroreceptors
  • 37. 

    Sends pressure information to the medulla

    • Chemoreceptors

    • Cholinergic receptors

    • Peripheral receptors

    • Baroreceptors

    Correct Answer
    A. Baroreceptors
  • 38. 

    Transmits information to medulla in regards to changes in

    • Pressure and volume

    • Respiratory rate

    • Gas exchange rate

    • All of the above

    Correct Answer
    A. Pressure and volume
  • 39. 

    Strongly stimulated by decreased oxygen tension

    • Peripheral receptors

    • Baroreceptors

    • Cholinergic receptors

    • Chemoreceptors

    Correct Answer
    A. Chemoreceptors
  • 40. 

    Receptors that deal directly with CO2

    • Central receptors

    • Chemoreceptors

    • Baroreceptors

    • Peripheral receptors

    Correct Answer
    A. Central receptors
  • 41. 

    Has very little to do with the cardiovascular control

    • Central receptors

    • Chemoreceptors

    • Baroreceptors

    • Cholinergic receptors

    Correct Answer
    A. Central receptors
  • 42. 

    Causes myocardium to contract

    • Heart rate

    • Excitability

    • Baroreceptor

    • Neurotransmitter

    Correct Answer
    A. Excitability
  • 43. 

    Ability to contract in response to an electrical impulse

    • Contractility

    • Conduction

    • Convection

    • Automaticity

    Correct Answer
    A. Contractility
  • 44. 

    Within the Medulla, stimulus INCREASE to vasomotor area output increases to adrenergic receptors in 

    • Smooth muscle

    • Skeletal muscle

    • Simple squamous epithelial

    • All of the above

    Correct Answer
    A. Smooth muscle
  • 45. 

    Within the Medulla, stimulus DECREASE to vasomotor area increase output to 

    • Peripheral receptors

    • Chemoreptors

    • Cholinergic receptors

    • Baroreceptors

    Correct Answer
    A. Cholinergic receptors
  • 46. 

    Receptor dealing directly with O2

    • Baroreceptor

    • Central receptor

    • Chemoreceptor

    • Cholinergic receptor

    Correct Answer
    A. Chemoreceptor
  • 47. 

    Transmits information to the medulla that their is a decrease in PaO2 <80mmHg (hypoxemia)

    • Cholinergic receptors

    • Chemoreceptors

    • Baroreceptors

    • Central receptors

    Correct Answer
    A. Chemoreceptors
  • 48. 

    Ability to radiate electrical impulses

    • Contractility

    • Convection

    • Conductivity

    • All of the above

    Correct Answer
    A. Conductivity
  • 49. 

    Second set located in the walls of atria and large thoracic and pulmonary veins

    • Peripheral receptors

    • Baroreceptors

    • Cholinergic receptors

    • Chemoreceptors

    Correct Answer
    A. Baroreceptors

Quiz Review Timeline (Updated): Mar 20, 2022 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 20, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 06, 2016
    Quiz Created by
    One_militantmind
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