Rt Cardiovascular Part 2. I

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

SA node

AV node

Medulla

Chemoreceptors

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

Occipital cortex

Cerebral cortex

Hypothalamus

Hippocampus

3. Cerebral cortex

Relays information to the medulla

Option 2

Option 3

Option 4

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

Cerebral Cortex

Occipital

Hypothalamus

Hippocampus

5. Central control of the Cardiovascular Function

Cerebral cortex, medulla

Hypothalamus along with peripheral receptors

A and B

A only

6. The brain stem continuously receives feedback from these receptors

Peripheral receptors

Baroreceptors

Chemoreceptors

B only

7. Monitor arterial pressures generated by left ventricle

Cholinergic receptors

Baroreceptors

Chemoreceptors

Peripheral receptors

8. Respond to changes in vascular volume

Cholinergic receptors

Baroreceptors

Peripheral receptors

Chemoreceptors

9. 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

10. Sensitive to changes in blood chemistry

Cholinergic receptors

Chemoreceptors

Baroreceptors

Peripheral receptors

11. Stimulated by low pH or high carbon dioxide levels

Chemoreceptors

Baroreceptors

Cholinergic receptors

Peripheral receptors

12. Peripheral receptors transmit

Pressure

Volume

Chemicals

All of the above

13. Responds to varying levels of hydrogen ions in the CSF

Central receptors

Baroreceptors

Chemoreceptors

Cholinergic receptors

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

SA and AV nodes

Left ventricle

Right ventricle

None of the above

15. Increased sympathetic stimulation to SA and AV nodes causes

Increase in automaticity (heart rate) and contractility

Option 2

Option 3

Option 4

16. Main receptor in manipulation ventilation of PaCO2

Chemoreceptors

Baroreceptors

Cholinergic receptors

Central receptors

17. 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

18. DECREASE to vasomotor area INCREASES output to cholinergic receptors in the

Left ventricle

Smooth muscle

Trachea

Pulmonary circuit

19. 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

20. 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

21. 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

22. 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

23. 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

24. Sends info to the medulla via PNS or SNS

Hypothalamus

Hippocampus

Cerebral cortex

Occipital

25. The medulla controls

HR contractility

Leg movements

The brain as a whole

None of the above

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

Vasodilator

Cardio inhibitor

Cardio accelerator

All of the above

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

Cardio accelerator

Vasodilator

Cardio inhibitor

All of the above

28. One set located in aortic arch and carotid sinuses

Cholinergic receptors

Baroreceptors

Chemoreceptors

Peripheral receptors

29. Sends pressure information to the medulla

Chemoreceptors

Cholinergic receptors

Peripheral receptors

Baroreceptors

30. Transmits information to medulla in regards to changes in

Pressure and volume

Respiratory rate

Gas exchange rate

All of the above

31. Strongly stimulated by decreased oxygen tension

Peripheral receptors

Baroreceptors

Cholinergic receptors

Chemoreceptors

32. Receptors that deal directly with CO2

Central receptors

Chemoreceptors

Baroreceptors

Peripheral receptors

33. 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

34. Has very little to do with the cardiovascular control

Central receptors

Chemoreceptors

Baroreceptors

Cholinergic receptors

35. Ability to respond to electrical, chemical, or mechanical stimulation

Baroreceptor

Chemoreceptor

Excitability

Peripheral receptor

36. The K+ pump works for the

Lymphatic system

Respiratory system

Autonomic system

Kidneys

37. Relaxes all muscles in the body

Thoracic pump

Left ventricular contraction

Liquor

Na+, K+ pump

38. Na+ causes contraction of the

Heart

Kidneys

Lungs

None of the above

39. Ability of cardiac muscle to initiate depolarization (contraction)

Sub atmospheric pressure

Automaticity

Autonomy

All of the above

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

Blood flow

Automaticity

Tidal volume

None of the above

41. Contractility travels through the

SA node

Upper airways

Alveoli

None of the above

42. Receptor dealing directly with O2

Baroreceptor

Central receptor

Chemoreceptor

Cholinergic receptor

43. 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

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

Cholinergic receptors

Chemoreceptors

Baroreceptors

Central receptors

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

Peripheral receptors

Chemoreptors

Cholinergic receptors

Baroreceptors

46. Causes myocardium to contract

Heart rate

Excitability

Baroreceptor

Neurotransmitter

47. Ability to contract in response to an electrical impulse

Contractility

Conduction

Convection

Automaticity

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

Peripheral receptors

Baroreceptors

Cholinergic receptors

Chemoreceptors

49. Response of receptors directly proportional to stretch on the vessel wall

Peripheral receptors

Chemoreceptors

Cholinergic receptors

Baroreceptors

50. PNS sends info to SA node to SLOW HEART RATE via

Cholinergic receptors

Chemoreceptors

Baroreceptors

Central receptors

51. Ability to radiate electrical impulses

Contractility

Convection

Conductivity

All of the above

52. Responds to carbonic anhydrase of CO2 and H20

Peripheral receptors

Baroreceptors

Chemoreceptors

Central receptors