RF1 and RF2 are  a)  release factors   b)  regulation factors   c)  regeneration factors

What does the acronym RICE stand for in first aid treatment? a) Rest, Ice, Compression, Elevation b) Rapid, Intense, Continuous, Exercise c) Respiratory, Intravenous, Cardiac, Emergency d) React, Identify, Cure, Evaluate

13. Which is the most common mechanism of defensins? A). Forming a thick coat on microbe surfaces B). Inducing cytokine secretion C). Poking holes in microbial membranes D). Chemotaxis E). Forming ROSS. 14. Producing cytokines is a major role of A). ILC1 B). ILC2 C). TH cells D). Macrophages E). All of the above. 15. Which statement is correct about IgE? A. IgE promotes immune responses against worm infection. B. IgE can cause allergy reactions C. Its receptors are expressed in eosinophils. D. Its receptors are expressed in mast cells. E. All of the above.

Cyclic-AMP stimulates which of the following? a) PKA b) PKC c) Ras d) RTK

At high altitude, red blood cells ____  production of BPG, which causes a/an ____ in Hb's O2 binding affinity. a) Increase; increase b) Decrease; increase c) Decrease; decrease d) Increase; decrease

1. a) True or False - A mutation in the beta globin gene that causes conversion of His146 to Glutamate would decrease Hemoglobin’s O2 binding affinity. b) True or False - A mutation in the beta globin gene that causes conversion of His146 to Glutamate would eliminate Hemoglobin’s positive cooperativity.

The ability of hemoglobin to deliver oxygen is enhanced because: A) The partial pressure of oxygen is lower in most tissues than it is in the lungs OB) The metabolic activity in most tissues lowers the pH of the blood C) The metabolic activity of tissues increases carbon dioxide levels D) All of the above E) b and c only

The (Na+-K+)-ATPase A) is a voltage gated channel B) an antiporter C) maintains the intracellular [Na+] higher than the extracellular [Na+] D) consumes ADP E) binds Na+ and K+ simultaneously

8) What makes a liver cell a liver cell and not a brain cell? A)   The fact that it is found in an organ known as the liver B)   The cells next to the liver cell dictate its identity C)   The specific genes that the liver cell contains D)   The specific genes that the liver cell expresses   7) The membranes of mictochondria, chloroplasts, and bacteria do all of the following except A)   Pump ions against concentration gradients B)   Generate ATP C)   Generate chemical gradients D)   Catalyze the reaction of the krebs cycle

13) Which of the following best describes the mechanism of an antiplatelet medication? A) Inhibition of platelet aggregation B) Blocking of sodium channels C) Inhibition of the inflammatory response D) Inhibition of factor X conversion