For the majority of the GI tract, which layer(s) of the wall contain smooth muscle?
A. Serosa only
B. Mucosa and adventitia
C. Submucosa and muscularis
D. Muscularis only
E. Mucosa and muscularis
Answer: E
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The ________ is an elastic epithelial layer between the vagina and vestibule, which, if present, is often torn during first intercourse
A) zona pellucida B) prepuce C) isthmus D) vaginal fornix E) hymen
The medullary cavity of bones contains
A) compact bone. B) osteons. C) cartilage. D) marrow. E) periosteum.
What are nerve endings that respond to tissue injury or noxious stimulation that produce sensations of pain?
A. Tactile corpuscles B. Free nerve endings C. Merkel discs D. Lamellated corpuscles E. Nociceptors
Both the knee and temporomandibular joints contain cartilaginous structures that absorb and cushion shock called ________.
Fill in the blank(s) with the appropriate word(s).