What is the function of goblet cells?
A. receive mucus and the accumulated debris of the lungs
B. produce surfactant
C. produce alveolar macrophages
D. produce mucus
Ans: D. produce mucus
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A person is experiencing fatigue, feeling cold, dry itchy skin, weight gain, and thinning hair. This person should be suspected as having which condition?
A. Hyperthyroidism B. Hypothyroidism C. Addison's disease D. Cushing's syndrome
What structure forms from the remnants of the follicle following ovulation?
A. Corona radiata B. Zona pellucida C. Corpus albicans D. Corpus luteum E. Antrum
Answer the following questions true (T) or false (F)
1. Vaccinations elicit a primary immune response so that secondary immune responses are rapid and symptoms are mild. 2. Bacterial infections and viral infections progress through an identical sequence of events during the immune response. 3. Immunodeficiency disorders can result from a failure of one component of the immune system.
Which of the following explains the neural mechanism of an erection?
A. It is a somatic reflex mediated predominantly by sympathetic nerve fibers. B. It is an autonomic reflex mediated predominantly by parasympathetic nerve fibers. C. It is an autonomic reflex mediated predominantly by sympathetic nerve fibers. D. It is an exclusively voluntary action mediated by the cerebral cortex. E. It is a somatic reflex mediated predominantly by parasympathetic nerve fibers.