This is a figure of a skin wound. What does "B" represent?
A. Blood clot
B. Epidermis
C. Blood vessel
D. Subcutaneous adipose tissue
E. Dermis
Answer: B
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Nicotine reduces muscle tone, making muscles feel more relaxed.
Answer the following statement(s) true (T) or false (F)
Upper motor neuron cell bodies originate in all the following except
A) precentral gyrus. B) postcentral gyrus. C) vestibular nuclei. D) red nuclei of the midbrain. E) superior and inferior colliculi.
What drug is a mucolytic and also is used to treat acetaminophen toxicity?
a. guaifenesin b. hydrocodone c. theophylline d. acetylcysteine
Germ layers form during the ________ period, while organ systems mature during the ________ period.
A. fetal; germinal B. embryonic; fetal C. prenatal; neonatal D. germinal; fetal E. germinal; embryonic