In which of the following would you detect a weak pulse?
A. hypertension
B. hemorrhagic shock
C. fluid excess
D. increased stroke volume
E. a healthy young person
B
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Interneurons within the ________ are organized into a smaller number of neuronal pools.
Fill in the blank(s) with the appropriate word(s).
The osteon is ________.
a fibrous membrane that covers and protects bone the structural unit of compact bone the structural unit of spongy bone a network of red marrow
Distinguish among efferent vessels, afferent vessels, and exchange vessels
A) Efferent vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid, afferent vessels carry blood away from the heart, and exchange vessels carry blood to the heart. B) Efferent vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid, afferent vessels carry blood to the heart, and exchange vessels carry blood away from the heart. C) Efferent vessels carry blood to the heart, afferent vessels carry blood away from the heart, and exchange vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid. D) Efferent vessels carry blood away from the heart, afferent vessels carry blood to the heart, and exchange vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid. E) Efferent vessels carry blood to the heart, afferent vessels exchange nutrients, dissolved gases, and wastes between the blood and interstitial fluid, and exchange vessels carry blood away from the heart.
________ is/are formed partly from the secretions of glands in the external ear canal.
A. Sebum B. Cerumen C. Scents D. Sweat E. Mucus