Which of the following transports oxygen-rich blood?
A) pulmonary vein
B) pulmonary artery
C) pulmonary trunk
D) superior vena cava
(
Question 2) If the aorta and pulmonary trunk were switched, oxygen rich blood would be pumped from the left ventricle to the lungs.
Indicate whether the statement is true or false
(
Question 3) An obstruction in the superior vena cava would decrease the flow of blood from the head and neck to the heart.
Indicate whether the statement is true or false
(
Question 4) During exercise, which of the following would occur on an electrocardiogram (ECG) compared to an individual at rest?
A) the T wave would decrease
B) the P-R interval would decrease
C) the S-T segment would decrease
D) the time from one R to the R of the next heartbeat would decrease
(
Question 5) As pressure in the aorta rises due to atherosclerosis, more ventricular pressure is required to open the aortic valve.
Indicate whether the statement is true or false
(
Question 6) The pulmonary circulation does not directly serve the metabolic needs of body tissues.
Indicate whether the statement is true or false
(
Question 7) When does the period of atrial repolarization occur?
A) during the T wave
B) ventricular contraction
C) ventricular depolarization
D) during the P wave
(
Question 8) The carotid sinus reflex protects the blood supply to the brain, whereas the aortic reflex is more concerned with maintaining adequate blood pressure in the systemic circuit as a whole.
Indicate whether the statement is true or false
(
Question 9) Given an end diastolic volume (EDV) of 120 ml / beat and an end systolic volume (ESV) of 50 ml / beat, the stroke volume (SV) would be ________.
A) 170 ml / beat
B) 70 ml / beat
C) 120 ml / beat
D) 50 ml / beat
(
Question 10) An electrocardiogram (ECG) provides direct information about valve function.
Indicate whether the statement is true or false
Quick Reply
