EXERCISE:
The foramen ovale in the fetal heart is located in the ……
a) right atrium
b) left atrium
c) interventricular septum
d) interatrial septum
If communication between the SA node and AV node became blocked. Which will most likely occur?
a) the rate of ventricular contraction will decrease
b) afterload will increase
c) the rate of atrial contraction will decrease
d) stroke volume will increase to 5L/beat
e) all of these
Colouration of the skin of a baby turns bluish shortly after birth. The reason may be…….
a) increased level of anesthesia was administered to her mother
b) the blood pressure is very high
c) baby has an unclosed foramen ovale
d) some hormonal disturbance has caused discoloration
e) blood capillaries in the liver are not working efficiently
Reason for a blocked coronary artery with atherosclerosis may be……
a) high level of LDL in blood serum
b) hypertension
c) low level of functional HDL in the blood serum
d) cigarette smoking
e) all of these
Lymph is poured back to the circulatory system in ……
a) pulmonary vein
b) hepatic portal vein
c) subclavian vein
d) renal vein
e) it remains separate from blood in its own circulation
