When aldosterone is absent, sodium reabsorption in the nephron is
A. greatly increased.
B. greatly decreased.
C. unchanged.
B
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Omental appendices are located on which of the following structures?
(a) stomach (b) duodenum (c) ileum (d) ascending colon (e) liver
Which one of the following statements about neuroglia is TRUE?
A. Neuroglia are only found in the CNS. B. Neuroglia can transmit action potentials (nerve impulses). C. Neuroglia are generally larger than neurons. D. Neuroglia are more numerous than neurons. E. Neuroglia are amitotic and, therefore, a rare source of tumors of the nervous system.
Which of the following connective tissue layers is outside all the others?
A. Sarcolemma B. Perimysium C. Endomysium D. Epimysium E. Paramysium
What is the name of the area in which the heart is immediately located?
A. thoracic cavity B. mediastinum C. auricle D. fossa ovalis