The adaptive immune system involves three major cell types: antigen-presenting cells, T cells, which constitute _______ immunity, and B cells, which govern _______ immunity.
A. nonspecific; specific
B. antigenic; allergic
C. MHC; MAC
D. cell-mediated; humoral
Answer: D. cell-mediated; humoral
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The cranial nerve that innervates smooth muscle and glands of the heart, lungs, larynx, trachea, and most abdominal organs is the ________ nerve.
A. trigeminal B. vagus C. hypoglossal D. accessory E. facial
According to current concepts, the external urethral sphincter:
A) is similar in males and females. B) only exists in females. C) only exists in males. D) is innervated by pelvic splanchnic nerves. E) has an inferior part in males that acts as a true sphincter of the intermediate (membranous) urethra.
How are molarity and osmolarity different? What property of salts necessitates this distinction? How does this property affect the behavior of water?
What will be an ideal response?
When you say "ah" and stick out your tongue, which muscle do you use?
A. Palatoglossus B. Stylohyoid C. Styloglossus D. Genioglossus E. Hyoglossus