In a resting neuron, concentrations of ________ are higher in the ECF than that in the cytosol, whereas ________ have the opposite distribution.
A. potassium ions; sodium and chloride ions
B. sodium and potassium ions; chloride ions
C. sodium and chloride ions; potassium ions
D. chloride and potassium ions; sodium ions
Answer: C
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After completion of meiosis II, ________ daughter cells form during spermiogenesis.
A) 2 diploid B) 4 diploid C) 2 haploid D) 4 haploid E) 2 diploid and 2 haploid
Tubular secretion
a. involves transepithelial transport b. is the movement of a substance from the peritubular capillary blood into the tubular fluid c. always occurs by active transport d. is both a and b e. is both b and c
Organs that recondition the blood
a. receive disproportionately large percentages of the cardiac output b. can withstand temporary reductions in blood flow much better than organs that do not recondition the blood c. must receive a constant blood supply in order to maintain homeostasis d. have characteristics a and b e. have characteristics b and c
Clot retraction is called ____
a. embolism b. syneresis c. thrombosis d. eosinophilia