Rt Cardiovascular Part 2. I
- 1.
Ability to respond to electrical, chemical, or mechanical stimulation
- A.
Baroreceptor
- B.
Chemoreceptor
- C.
Excitability
- D.
Peripheral receptor
Correct Answer
C. Excitability -
- 2.
Causes myocardium to contract
- A.
Heart rate
- B.
Excitability
- C.
Baroreceptor
- D.
Neurotransmitter
Correct Answer
B. Excitability -
- 3.
The K+ pump works for the
- A.
Lymphatic system
- B.
Respiratory system
- C.
Autonomic system
- D.
Kidneys
Correct Answer
C. Autonomic system -
- 4.
Relaxes all muscles in the body
- A.
Thoracic pump
- B.
Left ventricular contraction
- C.
Liquor
- D.
Na+, K+ pump
Correct Answer
D. Na+, K+ pump -
- 5.
Na+ causes contraction of the
- A.
Heart
- B.
Kidneys
- C.
Lungs
- D.
None of the above
Correct Answer
A. Heart -
- 6.
Ability of cardiac muscle to initiate depolarization (contraction)
- A.
Sub atmospheric pressure
- B.
Automaticity
- C.
Autonomy
- D.
All of the above
Correct Answer
B. Automaticity -
- 7.
Highly developed in specialized areas called the heart pacemaker (SA node) and the (AV node)
- A.
Blood flow
- B.
Automaticity
- C.
Tidal volume
- D.
None of the above
Correct Answer
B. Automaticity -
- 8.
Ability to radiate electrical impulses
- A.
Contractility
- B.
Convection
- C.
Conductivity
- D.
All of the above
Correct Answer
C. Conductivity -
- 9.
Contractility travels through the
- A.
SA node
- B.
Upper airways
- C.
Alveoli
- D.
None of the above
Correct Answer
A. SA node -
- 10.
Ability to contract in response to an electrical impulse
- A.
Contractility
- B.
Conduction
- C.
Convection
- D.
Automaticity
Correct Answer
A. Contractility -
- 11.
Central control of the Cardiovascular Function
- A.
Cerebral cortex, medulla
- B.
Hypothalamus along with peripheral receptors
- C.
A and B
- D.
A only
Correct Answer
C. A and B -
- 12.
The brain stem continuously receives feedback from these receptors
- A.
Peripheral receptors
- B.
Baroreceptors
- C.
Chemoreceptors
- D.
B only
Correct Answer
A. Peripheral receptors -
- 13.
Peripheral receptors transmit
- A.
Pressure
- B.
Volume
- C.
Chemicals
- D.
All of the above
Correct Answer
D. All of the above -
- 14.
Within the Medulla, stimulus INCREASE to vasomotor area output increases to adrenergic receptors in
- A.
Smooth muscle
- B.
Skeletal muscle
- C.
Simple squamous epithelial
- D.
All of the above
Correct Answer
A. Smooth muscle -
- 15.
Increase in output to adrenergic receptors in the smooth muscle causes
- A.
Vasodilation and a decrease in SVR
- B.
Vasoconstriction and an increase in SVR
- C.
Hypoxemia
- D.
All of the above
Correct Answer
B. Vasoconstriction and an increase in SVR -
- 16.
Within the Medulla, stimulus to Cardio accelerator area increases SYMPATHETIC stimulation to
- A.
SA and AV nodes
- B.
Left ventricle
- C.
Right ventricle
- D.
None of the above
Correct Answer
A. SA and AV nodes -
- 17.
Increased sympathetic stimulation to SA and AV nodes causes
- A.
Increase in automaticity (heart rate) and contractility
- B.
Option 2
- C.
Option 3
- D.
Option 4
Correct Answer
A. Increase in automaticity (heart rate) and contractility -
- 18.
Within the Medulla, stimulus DECREASE to vasomotor area increase output to
- A.
Peripheral receptors
- B.
Chemoreptors
- C.
Cholinergic receptors
- D.
Baroreceptors
Correct Answer
C. Cholinergic receptors -
- 19.
DECREASE to vasomotor area INCREASES output to cholinergic receptors in the
- A.
Left ventricle
- B.
Smooth muscle
- C.
Trachea
- D.
Pulmonary circuit
Correct Answer
B. Smooth muscle -
- 20.
INCREASE to vasomotor area ________ output to ________ receptors in the _______ causing _________ and _______ in SVR
- A.
Increases, adrenergic, smooth muscle, vasoconstriction, increase
- B.
Option 2
- C.
Option 3
- D.
Option 4
Correct Answer
A. Increases, adrenergic, smooth muscle, vasoconstriction, increase -
- 21.
Stimulus to cardio accelerator area _______ ______ stimulation to ___ and ___ nodes, causing ______ in _________
- A.
Increases, sympathetic, SA, AV, increase in automaticity (heart rate and contractility)
- B.
Option 2
- C.
Option 3
- D.
Option 4
Correct Answer
A. Increases, sympathetic, SA, AV, increase in automaticity (heart rate and contractility) -
- 22.
Stimulus ________ to vasomotor area ______ output to ________ receptors in the _____ muscle, causing _________ and _______ in SVR
- A.
Decrease, increases, cholinergic, smooth, vasodilation, decrease
- B.
Option 2
- C.
Option 3
- D.
Option 4
Correct Answer
A. Decrease, increases, cholinergic, smooth, vasodilation, decrease -
- 23.
Stimulus of the __________ area _______ vagal (parasympathetic) stimulation to the ___ and ___ node of the heart, causing a ________ in AUTOMATICITY (heart rate) and contractility
- A.
Cardio inhibitory, increases, SA, AV, decrease
- B.
Option 2
- C.
Option 3
- D.
Option 4
Correct Answer
A. Cardio inhibitory, increases, SA, AV, decrease -
- 24.
Cardio inhibitory, sends info through the Sympathetic Nervous System to decrease HR, then its sends info to
- A.
SA node
- B.
AV node
- C.
Medulla
- D.
Chemoreceptors
Correct Answer
A. SA node -
- 25.
Sends info to the medulla via PNS or SNS
- A.
Hypothalamus
- B.
Hippocampus
- C.
Cerebral cortex
- D.
Occipital
Correct Answer
C. Cerebral cortex -
- 26.
Sends signals to the medulla in response to exercise, pain, or anxiety
- A.
Occipital cortex
- B.
Cerebral cortex
- C.
Hypothalamus
- D.
Hippocampus
Correct Answer
B. Cerebral cortex -
- 27.
Cerebral cortex
- A.
Relays information to the medulla
- B.
Option 2
- C.
Option 3
- D.
Option 4
Correct Answer
A. Relays information to the medulla -
- 28.
Indirectly affects heart rate through medulla from its HEAT-REGULATING FUNCTION
- A.
Cerebral Cortex
- B.
Occipital
- C.
Hypothalamus
- D.
Hippocampus
Correct Answer
C. Hypothalamus -
- 29.
The medulla controls
- A.
HR contractility
- B.
Leg movements
- C.
The brain as a whole
- D.
None of the above
Correct Answer
A. HR contractility -
- 30.
In order to warm the body up, Hypothalamus sends info via SNS to the
- A.
Vasodilator
- B.
Cardio inhibitor
- C.
Cardio accelerator
- D.
All of the above
Correct Answer
C. Cardio accelerator -
- 31.
In order the body to cool down, Hypothalamus sends info via PNS to the
- A.
Cardio accelerator
- B.
Vasodilator
- C.
Cardio inhibitor
- D.
All of the above
Correct Answer
C. Cardio inhibitor -
- 32.
One set located in aortic arch and carotid sinuses
- A.
Cholinergic receptors
- B.
Baroreceptors
- C.
Chemoreceptors
- D.
Peripheral receptors
Correct Answer
B. Baroreceptors -
- 33.
Monitor arterial pressures generated by left ventricle
- A.
Cholinergic receptors
- B.
Baroreceptors
- C.
Chemoreceptors
- D.
Peripheral receptors
Correct Answer
B. Baroreceptors -
- 34.
Sends pressure information to the medulla
- A.
Chemoreceptors
- B.
Cholinergic receptors
- C.
Peripheral receptors
- D.
Baroreceptors
Correct Answer
D. Baroreceptors -
- 35.
Second set located in the walls of atria and large thoracic and pulmonary veins
- A.
Peripheral receptors
- B.
Baroreceptors
- C.
Cholinergic receptors
- D.
Chemoreceptors
Correct Answer
B. Baroreceptors -
- 36.
Respond to changes in vascular volume
- A.
Cholinergic receptors
- B.
Baroreceptors
- C.
Peripheral receptors
- D.
Chemoreceptors
Correct Answer
B. Baroreceptors -
- 37.
Response of receptors directly proportional to stretch on the vessel wall
- A.
Peripheral receptors
- B.
Chemoreceptors
- C.
Cholinergic receptors
- D.
Baroreceptors
Correct Answer
D. Baroreceptors -
- 38.
Transmits information to medulla in regards to changes in
- A.
Pressure and volume
- B.
Respiratory rate
- C.
Gas exchange rate
- D.
All of the above
Correct Answer
A. Pressure and volume -
- 39.
Chemoreceptors are located near the high pressure sensors in the ______ and ______ of the carotid arteries
- A.
Aortic arch, carotid sinuses
- B.
Option 2
- C.
Option 3
- D.
Option 4
Correct Answer
A. Aortic arch, carotid sinuses -
- 40.
Sensitive to changes in blood chemistry
- A.
Cholinergic receptors
- B.
Chemoreceptors
- C.
Baroreceptors
- D.
Peripheral receptors
Correct Answer
B. Chemoreceptors -
- 41.
Strongly stimulated by decreased oxygen tension
- A.
Peripheral receptors
- B.
Baroreceptors
- C.
Cholinergic receptors
- D.
Chemoreceptors
Correct Answer
D. Chemoreceptors -
- 42.
Stimulated by low pH or high carbon dioxide levels
- A.
Chemoreceptors
- B.
Baroreceptors
- C.
Cholinergic receptors
- D.
Peripheral receptors
Correct Answer
A. Chemoreceptors -
- 43.
Receptor dealing directly with O2
- A.
Baroreceptor
- B.
Central receptor
- C.
Chemoreceptor
- D.
Cholinergic receptor
Correct Answer
C. Chemoreceptor -
- 44.
PNS sends info to SA node to SLOW HEART RATE via
- A.
Cholinergic receptors
- B.
Chemoreceptors
- C.
Baroreceptors
- D.
Central receptors
Correct Answer
B. Chemoreceptors -
- 45.
Receptors that deal directly with CO2
- A.
Central receptors
- B.
Chemoreceptors
- C.
Baroreceptors
- D.
Peripheral receptors
Correct Answer
A. Central receptors -
- 46.
Responds to varying levels of hydrogen ions in the CSF
- A.
Central receptors
- B.
Baroreceptors
- C.
Chemoreceptors
- D.
Cholinergic receptors
Correct Answer
A. Central receptors -
- 47.
Transmits information to the medulla that their is a decrease in PaO2 <80mmHg (hypoxemia)
- A.
Cholinergic receptors
- B.
Chemoreceptors
- C.
Baroreceptors
- D.
Central receptors
Correct Answer
B. Chemoreceptors -
- 48.
Has very little to do with the cardiovascular control
- A.
Central receptors
- B.
Chemoreceptors
- C.
Baroreceptors
- D.
Cholinergic receptors
Correct Answer
A. Central receptors -
- 49.
Responds to carbonic anhydrase of CO2 and H20
- A.
Peripheral receptors
- B.
Baroreceptors
- C.
Chemoreceptors
- D.
Central receptors
Correct Answer
D. Central receptors -
- 50.
Main receptor in manipulation ventilation of PaCO2
- A.
Chemoreceptors
- B.
Baroreceptors
- C.
Cholinergic receptors
- D.
Central receptors
Correct Answer
D. Central receptors -
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Mar 20, 2022Quiz Edited by
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Jul 06, 2016Quiz Created by
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