Hypernatremia is a plasma ________ concentration above normal.
A. K+
B. Cl-
C. Ca2+
D. Na+
E. Pi
Answer: D
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The ________ phase of gastric secretions occurs when food enters the stomach
Fill in the blanks with correct word
In people who stand for long periods, blood tends to pool in the lower limbs and this may result in varicose veins. Varicose veins are caused by
a) an aneurysm or weak point in an artery. b) an aneurysm or weak point in a vein. c) failure of the venous valves. d) failure of the lymphatic valves. e) a ruptured aneurysm in a vein.
A descending pathway carries
A. motor information from the body to the brain. B. sensory information from the brain to the body. C. both motor and sensory information from the body to the brain. D. motor information from the brain to muscles and glands. E. sensory information from the body to the brain.
Which of the following is not a function of the kidneys?
a. they contribute significantly to long-term regulation of arterial blood pressure by maintaining the proper plasma volume. b. they act directly on the interstitial fluid, the fluid that bathes the cells, to maintain constancy in its composition. c. they excrete the metabolic waste products. d. they assist in maintaining the proper acid-base balance of the body. e. they secrete several hormones.