What is syndactyly?
A. Having extra fingers or toes
B. Having clubfoot
C. Having a fusion of two or more digits
D. Having an absence of one or more limbs
E. Having the partial absence of a limb
C. Having a fusion of two or more digits
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Once implantation takes place the pre-embryo is divided into two general areas. Which of these two actually gives rise to the embryo?
A. Embryoblast B. Trophoblast C. Syncytiotrophoblast D. Cytotrophoblast E. Morula
The external environment is found outside the body
Indicate whether the statement is true or false
The nephron loop makes a hairpin turn within the ________ and its ________ limb ends at the distal convoluted tubule.
A. medulla; descending B. medulla; ascending C. cortex; ascending D. cortex; descending
Prolonged thyroid hyposecretion leads to ________, a condition characterized by weight gain, slow metabolism, and tissue swelling.
Fill in the blank(s) with the appropriate word(s).