Which of the following parts of the nephron has two limbs with thick segments and thin segments?
A. proximal convoluted tubule
B. nephron loop
C. distal convoluted tubule
`D. collecting system
Ans: B. nephron loop
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The dens (odontoid process) is a feature of which of the following bones?
A. Occipital bone B. Mandible C. First cervical vertebra D. Second cervical vertebra E. Temporal bone
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A. Troponin B. Myosin C. Tropomyosin D. Actin
a muscle is described as having an indirect attachment if which of the following statements is true?
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