Uta A&p Ii Exam Questions (99 Terms) With Verified Definitions Updated 2024

The long plateau phase of the cardiac muscle action potential is due to : a- movement of fewer sodium ions across the cell membrane b- decrease in the amount of calcium diffusing across the membrane c- increased membrane permeability to potassium ion d- increased membrane permeability to sodium ions e- calcium channels remaining open {Ans: e- calcium channels remaining open}Match the antibody (Ab) to it's main function: 1. IgA 2. IgM 3. IgE 4. IgG 5. IgD a. agglutination b. secreted Ab found in breast milk, tears, saliva c. precursor Ab d. most abundant Ab in blood, can cross the placenta e. Ab responsible for allergies A- 1d, 2e, 3b. 4c, 5a B- 1a, 2e, 3c, 4b, 5d C- 1b, 2c, 3d, 4a, 5e D- 1e, 2b, 3a, 4e, 5c E- 1b, 2a, 3e, 4d, 5c {Ans: E- 1b, 2a, 3e, 4d, 5c}The plexus is located between the longitudinal and circular smooth muscle layers of the muscularis in the GI tract a- myenteric plexus b- submucosal plexus c- adventia d- serosa plexus e- digestive plexus {Ans: a- mytenteric plexus}All the circulating red blood cells in the adult originate in the a- lymphoid tissue b- red bone marrow