What is the primary site in the nephron where the loss of water, sodium, and potassium ions is regulated?
nephron loop and collecting duct
glomerulus
distal convoluted tubule
proximal convoluted tubule
nephron loop and collecting duct
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A ligamentous connection such as an antebrachial interosseous membrane is called a
A) syndesmosis. B) symphysis. C) synchondrosis. D) synostosis. E) gomphosis.
Angiotensin II produces a coordinated elevation in the ECF volume by all of the following mechanisms except
A) stimulating thirst. B) causing the release of ADH. C) triggering the production and secretion of aldosterone. D) stimulating the kidneys to conserve sodium. E) increasing PNS activity.
During a cardiac cycle, how many of the four chambers contract at any one time?
A. 1 B. 2 C. 4 D. Highly variable, depending on the heart beat rate E. None of the choices is correct.
Which are differences between male and female pelvises? Choose all that apply.
A. Females' inlets and outlets are wider. B. Female bones are thicker and stronger for childbearing. C. The male pubic arch is pointier and shaped more like an inverted "V". D. Male iliac bones are more flared than female.