What vessels carry oxygen-rich blood to the left atrium?
A. Superior and inferior vena cavae
B. Pulmonary arteries
C. Pulmonary veins
D. Both superior and inferior vena cavae and pulmonary veins
Answer: C
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The infrahyoid muscles
a. elevate the mandible b. move the mandible from side to side c. fix (prevent movement of) the hyoid d. both a and b are correct e. all of these are correct
Which of the following is true regarding the difference between the mucosa of the small and large intestines?
A. The small intestine has deeper intestinal crypts than the large intestine. B. The small intestine has simple columnar epithelium and the large intestine does not. C. They both have villi, but only the small intestine has microvilli. D. Intestinal crypts are only found in the large intestine. E. The large intestine has larger circular folds than the small intestine.
As you approach a young male who was involved in an industrial accident, you note that his eyes are closed and that he is not moving. You can see several large contusions to his arms, a laceration to his forehead with minimal bleeding, and a closed deformity to his right leg. You should:
A. open his airway and assess his breathing status. B. perform an immediate head-to-toe assessment. C. assess his pulse for rate, regularity, and quality. D. apply high-flow oxygen and assess his injuries.
The appendicular skeleton includes the bones of the upper and lower extremities and their supporting elements, called
A) girdles. B) arches. C) scapulae. D) anchors. E) insertions.