A reduction in sensitivity to a continually applied stimulus is called
A. sensation.
B. tonicity.
C. conscious awareness.
D. adaptation.
E. transduction.
D
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Thyroxin and triiodothyronine, hormones necessary for cell metabolism, are produced in the ________ gland
A) Adrenal B) Pituitary C) Thyroid D) Thymus
The structure of bone tissue suits the function. Which of the following bone tissues is adapted to support weight and withstand tension stress?
A) spongy bone B) irregular bone C) compact bone D) trabecular bone
Starting in the abdominal cavity and progressing dorsally, you would have to cut through the layers in which order to expose the kidney?
A. Renal fascia, peritoneum, perirenal fat capsule, and fibrous capsule B. Peritoneum, fibrous capsule, renal fascia, and perirenal fat capsule C. Peritoneum, perirenal fat capsule, fibrous capsule, and renal fascia D. Peritoneum, renal fascia, perirenal fat capsule, and fibrous capsule E. Perirenal fat capsule, peritoneum, renal fascia, and fibrous capsule
The speed of an action potential depends on
A. the diameter of the axon. B. thickness of the myelin sheath. C. whether an axon is myelinated or not myelinated. D. All of the choices are correct.