Which of the following explains the occurrence of a hip fracture rather than a hip dislocation?
A) There is a severe lack of capsular fibers in hip joints compared to other synovial joints.
B) Only three ligaments are present in hip joints to provide stability.
C) Stress gets transferred from head of femur to the diaphysis via the thin neck.
D) Muscles surrounding the hip joint are altogether small and thus provide little stability.
E) All of the above.
C
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The area of the urinary bladder bounded by the openings of the two ureters and the urethra is called the
A) renal pelvis. B) JG apparatus. C) pyramid. D) trigone. E) vasa recta.
Nociceptors
A) generally have large receptive fields. B) always convey very precise local information. C) are especially common in the viscera. D) are large, structurally complex receptors. E) None of the answers are correct.
The hormone that reduces the amount of water in the body is:
a. ADH b. aldosterone c. ANH d. both A and B above
The secondary oocyte completes the second meiotic division when
A. the mature follicle ruptures. B. it is penetrated by a sperm cell. C. it receives both estrogen and progesterone. D. ovulation occurs. E. it is implanted in the uterus.