Which of the following is associated with acidosis?
a. Extreme nervousness
b. Disorientation and comatose state
c. Tingling, "pins and needles" sensations
d. Muscle twitches and muscle spasms
e. Convulsions
B
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Which structure lines the medullary cavity?
A) Endosteum B) Periosteum C) Spongy bone D) Epiphysis
The hepatic portal vein is formed by the union of the splenic vein and the
A. superior mesenteric vein. B. inferior mesenteric vein. C. hepatic vein. D. renal vein. E. gastric vein.
Which is not correct regarding the kidneys?
A. The kidney is composed of an inner renal medulla and an outer renal cortex. B. The kidneys are retroperitoneal. C. The kidneys are surrounded by a fibrous renal capsule. D. The kidneys are cushioned and insulated by adipose tissue. E. The indented medial surface of the kidney is called the renal papilla.
When body temperature increases above the normal range, thermoreceptors in the skin and hypothalamus detect the increase in body temperature. The heat-loss center of the hypothalamus is activated, which sends signals to blood vessels and sweat glands. In
response, blood vessels in the skin dilate and sweat glands release sweat. Determine the part of this negative feedback loop that serves as the effector(s). A) hypothalamus B) thermoreceptors C) blood vessels and sweat glands D) body temperature