Question 1
Question
What are the atria?
Answer
-
Receiving chambers for blood that has been returned to the heart by the veins
-
The part of the heart which recieves blood from all body tissues except the lungs
-
They pump blood via arteries to the lungs
-
They are sections of the heart which carry oxygenated blood
Question 2
Question
The blood flows from the [blank_start]right atrium[blank_end] to the [blank_start]right ventricle[blank_end] and from there to the lungs (via the [blank_start]pulmonary artery[blank_end])
Answer
-
right atrium
-
right ventricle
-
pulmonary artery
Question 3
Question
The [blank_start]superior vena cava[blank_end] (from from the upper body), the [blank_start]inferior vena cava[blank_end] (blood from the lower body) and the [blank_start]coronary sinus blood[blank_end] (blood from the heart itself) are the veins that bring blood to the right atrium.
Answer
-
superior vena cava
-
inferior vena cava
-
coronary sinus blood
Question 4
Question
In the lungs, [blank_start]carbon dioxide[blank_end] is removed from the blood and [blank_start]oxygen[blank_end] is added.
Question 5
Question
Oxygenated blood is returned to the [blank_start]left atrium[blank_end] by four [blank_start]pulmonary veins[blank_end], and from there it goes to the [blank_start]left ventricle[blank_end] ([blank_start]valve[blank_end] stops return), which then pumps the oxygenated blood through the [blank_start]aorta[blank_end] to the rest of the body.
Answer
-
left atrium
-
pulmonary veins
-
left ventricle
-
valve
-
aorta
Question 6
Question
The human heart normally contracts at a rate of about how many beats per minute?
Question 7
Question
A pacemaker is located where?
Answer
-
Rear wall of right atrium
-
Rear wall of left atrium
-
Rear wall of right ventricle
-
Rear wall of left ventricle
Question 8
Question
A pacemaker has a regular electrical discharge which produces the normal rhythmic contraction of the entire heart, at how many BPM by itself?
Question 9
Question
Ventricular contraction begins:
Answer
-
Shortly after Q wave
-
Shortly after R wave
-
Just before the Q wave
-
Just before the R wave
-
Shortly after the S wave
-
Just before the S wave
-
Shortly after the T wave
-
Just before the T wave
Question 10
Question
The contraction phase of the heart is known as [blank_start]systole[blank_end], whereas the relaxation phase is termed [blank_start]diastole[blank_end].
Answer
-
systole
-
diastole
-
diastole
-
systole
Question 11
Question
Which is the transmitter for the parasympathetic system?
Answer
-
Acetylcholine
-
Norepinephrine
-
Baroreceptors
-
Vagus
Question 12
Question
What is the transmitter for the sympathetic system?
Answer
-
Acetylcholine
-
Nerepinephrine
-
Baroreceptor
-
Vagus
Question 13
Question
Vagal inhibition of the SA node normally increases HR
Question 14
Question
Vagal withdrawal may increase HR
Question 15
Question
HR output [blank_start]increases[blank_end] via the [blank_start]increase[blank_end] in rate of S-A node discharge, the [blank_start]increased[blank_end] in excitability of cardiac tissue, and the [blank_start]increase[blank_end] in contraction force (atrial & ventricular). The SNS also acts to [blank_start]increase[blank_end] cardiac output in certain emotional situations or at extreme levels of exercise.
Answer
-
increases
-
decreases
-
increase
-
decrease
-
increased
-
decreased
-
increase
-
decrease
-
increase
-
decrease
Question 16
Question
Baroreceptors are located in the carotid sinus in the neck.
Question 17
Question
When pressure on the walls of the [blank_start]carotid sinus[blank_end] is low because of [blank_start]decreased[blank_end] blood pressure, this information is transmitted to a cardiac [blank_start]acceleration[blank_end] center in the [blank_start]medulla[blank_end]. SNS [blank_start]increases[blank_end] cardiac output in response are present in the carotid sinus ([blank_start]cardiac output[blank_end] refers to the amount of blood pumped by the heart).
Answer
-
carotid sinus
-
decreased
-
increased
-
acceleration
-
deceleration
-
medulla
-
increases
-
decreases
-
cardiac output
Question 18
Question
RSA is the natural cycle of [blank_start]arrhythmia[blank_end] that occurs through the influence of [blank_start]breathing[blank_end] on the flow of [blank_start]sympathetic[blank_end] and vagal impulses to the [blank_start]sinoatrial node[blank_end]
Answer
-
arrhythmia
-
sympathetic
-
sinoatrial node
-
breathing
Question 19
Question
R-R interval is [blank_start]shortened[blank_end] during inspiration and [blank_start]prolonged[blank_end] during expiration.
Answer
-
shortened
-
lengthened
-
prolonged
-
reduced
Question 20
Question
The relatively small ______ wave is produced by electrical currents generated just before contraction of the atria.
Question 21
Question
The R wave is the most prominent component of the QRS component.
Question 22
Question
The T wave is caused by re-polarisation of the?
Answer
-
Ventricles
-
Atrium
-
Aorta
-
Carotid sinus
Question 23
Question
Lead 1 is placed:
Answer
-
Right arm, left arm
-
Right arm, left leg
-
Left arm, left leg
-
Left arm, right leg
Question 24
Question
For lead 1, The polarity is selected so that when the left arm lead is [blank_start]positive[blank_end], with respect to the right, there is an [blank_start]upward[blank_end] deflection of the P and R segments
of the ECG.
Answer
-
positive
-
negative
-
upward
-
downward
Question 25
Question
Lead II is attached to:
Answer
-
Right arm, left arm
-
Right arm, left leg
-
Left arm, Left leg
-
Its just not attached
Question 26
Question
Lead III is attached to:
Answer
-
Right arm, left arm
-
Right arm, left leg
-
Left arm, left leg
-
There is no lead III
Question 27
Question
How many chest electrodes are there?
Question 28
Question
The frequency of RSA has a range of:
Answer
-
0.15-0.4 Hz
-
0.4-0.6 Hz
-
0.25-0.5 Hz
-
None of the above
Question 29
Question
RSA is considered a marker for vagal control.
Question 30
Question
In [blank_start]cognitive[blank_end] activities, HR [blank_start]increase[blank_end] and SCL increase; in [blank_start]perceptual[blank_end] activities, HR [blank_start]decrease[blank_end] and SCL increase
Answer
-
increase
-
decrease
-
cognitive
-
perceptual
Question 31
Question
Cardiac deceleration facilitates stimulus “rejection” whereas cardiac acceleration facilitates stimulus “intake”.