Multiple Choice
A premature baby in critical condition with high blood pressure in his lungs is administered a blend of nitric oxide (a vasodilator) and oxygen to reduce his blood pressure.Nitric oxide reduces blood pressure by
A) constricting the muscle cells around arterioles.
B) reducing the heart rate.
C) blocking the formation of new capillaries.
D) relaxing the muscle cells around arterioles.
E) increasing the formation of capillaries.
Correct Answer:
Verified
Correct Answer:
Verified
Q41: The circulatory system of a crayfish includes
Q42: The timing of the spread of the
Q43: Countercurrent heat exchange allows animals to<br>A) minimize
Q47: In animals with an open circulatory system,the
Q48: Which sequence represents the correct order
Q49: (Small diameter)× (very large number)= the reason
Q50: Which statement about the lymphatic system is
Q51: As blood travels from the arteries of
Q70: The lifetime of an individual red blood
Q86: In open circulatory systems, the fluid called