What does the embryonic neural tube develop into?
A. The digestive tract
B. The liver and spleen
C. The brain and spinal cord
D. The vertebrae
E. The brain, spinal cord, and vertebrae
C. The brain and spinal cord
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Which of the following statements is true of graded potentials?
A) They travel over long distances. B) They have different amplitudes. C) They are typically found in axons. D) They travel without decrement.
Which of the following is not a part of the juxtaglomerular complex?
A) macula densa B) granular cells C) podocyte cells D) mesangial cells
Preparation for cell division occurs in the G2 phase.
a. true b. false
Which of the following statements regarding regulation of local blood flow is true?
A. Increased metabolic rate in a tissue increases capillary blood flow into the tissue. B. Blood flow through capillaries is continuous. C. Contraction of precapillary sphincters will increase blood flow to a capillary bed. D. Increased levels of carbon dioxide increase the contraction of precapillary sphincters. E. Tissue need for oxygen and amino acids will cause precapillary sphincters to contract.