The juxtaglomerular apparatus
a. is a combination of specialized tubular and vascular cells at a point where the beginning of the distal tubule comes into intimate contact with the afferent and efferent arterioles of the same nephron.
b. secretes aldosterone.
c. secretes renin.
d. both (a) and (b) above.
e. both (a) and (c) above.
E
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Match the ploidy with a cell stage.
1. germ cell 2. spermatogonium or oogonium 3. mature sperm or egg 4. primary spermatocyte or oocyte 5. secondary spermatocyte or oocyte A. haploid B. diploid
The valve seen on sectional images separating the right atrium from the right ventricle is the
A. pulmonic semilunar. B. tricuspid. C. aortic semilunar. D. mitral. E. thebesian.
In an emergency situation when you have no time to wait for cross-matched blood you could give a patient type ________ until the cross-match is available
A) A positive B) O negative C) B negative D) AB positive E) AB negative
Which term describes an increase in angle between articulating bones?
A) Extension B) Flexion C) Adduction D) Abduction