Some patients with kidney failure regularly undergo a procedure called hemodialysis to cleanse their blood. This procedure thus effectively replaces which of the following kidney components.
A. Collecting ducts
B. Ureters
C. Nephrons
D. All of the above
Ans: C. Nephrons
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Which of the following is NOT part of the upper respiratory tract?
A. Trachea B. Larynx C. Pharynx D. Nose
Thyroid-stimulating hormone (TSH) is secreted by the
A. hypothalamus, and it targets cells of the posterior pituitary gland B. hypothalamus, and it targets cells of the anterior pituitary gland. C. anterior pituitary, and it targets follicular cells of the thyroid gland. D. posterior pituitary, and it targets parafollicular cells of the thyroid gland. E. thyroid gland, and it targets cells of the parathyroid gland.
A central (Haversian) canal may contain arteries, veins, capillaries, lymph vessels, and ________ fibers.
Fill in the blank(s) with the appropriate word(s).
The release of calcium ions by the sarcoplasmic reticulum initiates ________.
Fill in the blank(s) with the appropriate word(s).