Which of the following is NOT occurring during ventricular diastole?
A. Blood flow through the semilunar valves
B. Atrial contraction
C. Ventricular relaxation
D. Blood flow through the AV valves
Answer: A. Blood flow through the semilunar valves
You might also like to view...
The sarcoplasmic reticulum stores ____ when a muscle is relaxed and releases it for binding to ____ during contraction
a. calcium; troponin b. calcium; tropomyosin c. sodium; tropomyosin d. potassium; tropomyosin e. sodium; troponin
Describe how contractile cells are able to contract rapidly but are not likely to experience tetanus. Include the following terms in your answer : refractory period, calcium channels, contraction period, relaxation period, depolarization, and repolarization
What will be an ideal response?
The dermis ________
A) is where melanocytes are found B) is avascular C) lacks sensory corpuscles and glands D) has two layers
The duct from the seminal vesicle joins the ductus deferens to form the
A. prostatic urethra. B. epididymis. C. sperm cord. D. ejaculatory duct. E. spongy urethra.