According to the Frank-Starling law
A. the greater the resistance from the arteries, the higher the blood pressure.
B. the faster the heart rate, the larger the stroke volume.
C. the more calcium available to the heart cell, the more forcefully it will contract.
D. as the volume of blood entering the heart increases, ventricular contractions become more forceful.
Answer: D
You might also like to view...
Which of the following descriptions best matches the term colony stimulating factor?
A) adheres to collagen beneath endothelium B) helper cells are one type C) hormone that regulates white blood cell formation D) kills bacteria using hydrogen peroxide E) often elevated in allergic individuals
If a nerve cell has a greater concentration of Na+ on the outside the cell membrane, compared to inside, then the movement of Na+ outside is by diffusion.
Answer the following statement true (T) or false (F)
What are lymphatic nodules?
A. Lymphatic follicles B. Lymphatic tissue found only in the appendix and tonsils C. Bulges in lymphatic vessels D. Small lymph nodes E. A collection of B lymphocytes
What type of epithelium is most conducive to simple diffusion?
A. Pseudostratified columnar B. Stratified squamous C. Simple columnar D. Simple squamous