Which of the following can undergo metabolic conversion to acetyl CoA and enter the citric acid cycle?
A. Fatty acids
B. Protein
C. Glucose
D. All of the choices are correct.
Answer: D
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The ankle joint is an example of a(n) ________ joint
A) condylar B) saddle C) hinge D) ball-and-socket E) gliding
The end result of the classical and alternative pathways of complement activation is
A) an increase in pyrogen release. B) release of histamine. C) activated C3B attached to the cell wall. D) C1 bound to two antibodies. E) activation of properdin.
Histamine released in injured areas produces local arteriolar vasodilation
Indicate whether the statement is true or false
Which of these events occur when a person steps on a tack with their right foot?
A) The right foot is pulled away from the tack because of the Golgi tendon reflex. B) The left leg is extended to support the body because of the stretch reflex. C) The flexor muscles of the thigh contract, and the extensor muscles relax because of reciprocal innervation. D) The extensor muscles of both thighs contract because of the crossed extensor reflex. E) all of these