The region of the pharynx at the tip of the arrow in the figure shown is the ________
A) laryngopharynx
B) oropharynx
C) nasopharynx
A
Explanation:
B) In both humans and cats the pharynx has three regions: the anterior nasopharynx behind the nose, the oropharynx behind the mouth, and the laryngopharynx, where the pharynx divides into the esophagus and larynx.
C) In both humans and cats the pharynx has three regions: the anterior nasopharynx behind the nose, the oropharynx behind the mouth, and the laryngopharynx, where the pharynx divides into the esophagus and larynx.
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Although the lining of the uterine tubes contains cilia and the lining of the uterus does not, the epithelium within both organs is categorized as
A. pseudostratified columnar epithelium. B. simple columnar epithelium. C. nonkeratinized squamous epithelium. D. stratified cuboidal epithelium. E. simple cuboidal epithelium.
Which term describes the ability of a muscle cell to shorten with force?
A. Contractility B. Excitability C. Elasticity D. Extensibility
Autoimmune diseases are disorders in which the immune system fails to distinguish ________ from foreign ones.
A. self-interleukins B. self-antibodies C. self-antigens D. self-complement proteins E. self-immunoglobulins
The nurse cells of the seminiferous tubules do all of the following except
A) maintain the blood testis barrier. B) support spermiogenesis. C) secrete inhibin. D) secrete testosterone. E) secrete androgen-binding protein.