Rt Cardiovascular Part 2. I
.
- 1.Ability to respond to electrical, chemical, or mechanical stimulation
- A.
Baroreceptor
- B.
Chemoreceptor
- C.
Excitability
- D.
Peripheral receptor
- 2.Causes myocardium to contract
- A.
Heart rate
- B.
Excitability
- C.
Baroreceptor
- D.
Neurotransmitter
- 3.The K+ pump works for the
- A.
Lymphatic system
- B.
Respiratory system
- C.
Autonomic system
- D.
Kidneys
- 4.Relaxes all muscles in the body
- A.
Thoracic pump
- B.
Left ventricular contraction
- C.
Liquor
- D.
Na+, K+ pump
- 5.Na+ causes contraction of the
- A.
Heart
- B.
Kidneys
- C.
Lungs
- D.
None of the above
- 6.Ability of cardiac muscle to initiate depolarization (contraction)
- A.
Sub atmospheric pressure
- B.
Automaticity
- C.
Autonomy
- D.
All of the above
- 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
- 8.Ability to radiate electrical impulses
- A.
Contractility
- B.
Convection
- C.
Conductivity
- D.
All of the above
- 9.Contractility travels through the
- A.
SA node
- B.
Upper airways
- C.
Alveoli
- D.
None of the above
- 10.Ability to contract in response to an electrical impulse
- A.
Contractility
- B.
Conduction
- C.
Convection
- D.
Automaticity
- 11.Central control of the Cardiovascular Function
- A.
Cerebral cortex, medulla
- B.
Hypothalamus along with peripheral receptors
- C.
A and B
- D.
A only
- 12.The brain stem continuously receives feedback from these receptors
- A.
Peripheral receptors
- B.
Baroreceptors
- C.
Chemoreceptors
- D.
B only
- 13.Peripheral receptors transmit
- A.
Pressure
- B.
Volume
- C.
Chemicals
- 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
- 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
- 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
- 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
- 18.Within the Medulla, stimulus DECREASE to vasomotor area increase output to
- A.
Peripheral receptors
- B.
Chemoreptors
- C.
Cholinergic receptors
- D.
Baroreceptors
- 19.DECREASE to vasomotor area INCREASES output to cholinergic receptors in the
- A.
Left ventricle
- B.
Smooth muscle
- C.
Trachea
- D.
Pulmonary circuit
- 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
- 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
- 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
- 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
- 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
- 25.Sends info to the medulla via PNS or SNS
- A.
Hypothalamus
- B.
Hippocampus
- C.
Cerebral cortex
- D.
Occipital
Back to top