The fetal period
A. extends from the beginning of the 12th week until birth.
B. extends from the end of the 4th week until birth.
C. extends from the beginning of the 9th week until birth.
D. includes only the middle trimester.
E. includes only the last trimester.
Answer: C
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Dentin
A) forms the surface of the crown of the teeth. B) holds the teeth to the periodontal ligaments. C) is found in the pulp cavity. D) makes up most of the structure of the teeth. E) is harder than enamel.
which of the following is false
A) cardiac muscle contraction cannot be summated B) skeletal muscle contraction may be summated C) skeletal muscle control is neural D) cardiac muscle control is neural only E) Cardiocytes are interconnected through intercalated discs
The mammary gland lies under the pectoralis major muscle.
Indicate whether the statement is true or false
In older individuals, condensed masses of secretory material (concretions) are visible in tissue sections of the:
a. Epididymis b. Prostate c. Seminal vesicles d. Seminiferous tubules e. Vas deferens