What structure leads from the middle ear to the nasopharynx?
A. Eustachian tube
B. Auditory tube
C. Both of these answers are correct.
D. Neither of these answers is correct.
Answer: C
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All of the following statements describe the dermis except which one?
A. The dermis has cutaneous glands, hair follicles, and nerve endings. B. The dermis is composed of loose/areolar connective tissue over dense irregular connective tissue. C. The dermis is the skin's most superficial layer. D. The dermis is the skin's deepest layer.
Which is the deepest and innermost layer of the heart wall?
A) parietal layer of the epicardium B) endocardium C) myocardium D) fibrous pericardium E) visceral layer of the epicardium
Angie received an injection in her deltoid muscle. Her arm is now sore and she refuses to move it. What action can she not perform?
What will be an ideal response?
Platelets are fragments of a multinucleate cell known as a(n) ________
A) megakaryocyte B) erythrocyte C) reticulocyte D) monocyte