Which of the following is not a derivative of ectoderm?
A) Salivary glands
B) Cutaneous glands
C) The nervous system
D) The dermis
E) The epidermis
D
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Which of the following is a general term used to refer to the sum of all the chemical reactions occurring in the body?
a) anabolism b) catabolism c) metabolism d) catalysis e) homeostasis
The trophoblast of the implanted fertilized egg ultimately develops into the
A) Allantois. B) Amniotic cavity. C) Placenta. D) Zona pellucida.
A living cell placed into a hypertonic solution will:
a. Draw water into the cell and expand b. Explode from increased intracellular pressure c. Lose the permeability of the membrane d. Lose water from the cell and shrink
In the diagram of the wrist and hand, where is the trapezoid bone?
a) A b) B c) C d) D e) E