Normally the blastocyst digests its way through the vessel rich lining of the uterine cavity called:
a. Cervix
b. Vagina
c. Uterine tubes
d. Endometrium
e. Myometrium
Ans: d. Endometrium
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Which of the following does not develop from embryonic ectoderm?
A. Keratinocytes B. Dermis C. Hair follicles D. Apocrine glands E. Nails
What changes in the blood levels of respiratory gases result from hyperventilation?
A. Oxygen and carbon dioxide levels rise. B. Oxygen and carbon dioxide levels fall. C. Oxygen levels rise and carbon dioxide levels fall. D. Oxygen levels do not change but carbon dioxide levels fall.
The lateral malleolus is found on which bone?
A. Fibula B. Humerus C. Scapula D. Tibia E. Femur
A weight lifter is attempting a new level of weights that are too heavy for him. His muscles contract but can't shorten. This would be an example of what type of contraction?
A. Eccentric contraction B. Isometric contraction C. Isotonic contraction D. Concentric contraction