In humans, this primary germ layer gives rise to the epidermis and the nervous system
A) ectoderm B) endoderm C) mesoderm
Answer: A
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Which does not provide structural support for the uterus?
A. Round ligament B. Transverse cervical ligament C. Uterosacral ligament D. Uterine ligament E. Urogenital diaphragm
The purpose of the two small muscles, the tensor tympani and the stapedius, in the ear is to _______.
A. reduce damage to the earbones. B. protect the tympanic membrane. C. contract quickly when there is a loud sound. D. move the ossicles. E. All of the answers are correct
The sweat glands that communicate with skin surfaces throughout the body, producing a secretion that is primarily water, are
a. apocrine glands. b. merocrine glands. c. sebaceous glands. d. ceruminous glands.
Which of the following structures belong to the inner ear?
A. Incus B. Helix C. Tympanic membrane D. Tensor tympani muscle E. Semicircular duct