The first heart sound heard during the cardiac cycle is associated with ________
A) opening of the AV valves B) closure of the AV valves
C) closure of the semilunar valves D) opening of the semilunar valves
Answer: B
Anatomy & Physiology
You might also like to view...
The mechanical act of breathing is called __________
Fill in the blank(s) with correct word
Anatomy & Physiology
Which of the following is NOT a region of the stomach?
A. Pyloric region B. Cardiac region C. Hepatic region D. Fundic region
Anatomy & Physiology
When handling and restraining a horse, never wrap the lead rope on the ________________
Fill in the blank(s) with correct word
Anatomy & Physiology
Identify the characteristics associated with endocrine glands
a. lack ducts b. secrete chemicals directly into the blood c. derived from epithelial tissue d. include the parathyroids e. all of these
Anatomy & Physiology