Which of the following organs is part of the digestive tract?
A. Liver
B. Gallbladder
C. Salivary gland
D. Pancreas
E. Stomach
Answer: E
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A protein functions as an acid-base buffer system by the –COOH group of a molecule
accepting H+ in the presence of excess acid and the NH3 group of a molecule releasing H+ in the presence of excess base. Indicate whether the statement is true or false
Identify the structures innervated by the cervical plexus. Select all that apply.
a. Skin of the face
b. Skin of the neck
c. Upper limb
d. Posterior portion of the head
e. Muscles of the hyoid
f. Diaphragm
Estrogen does not
a. promote fat deposition b. promote closure of the epiphyseal plates c. stimulate duct development in the breasts d. cause the cervical mucus to become thick and sticky e. enhance sperm transport to the site of fertilization by stimulating upward contractions of the uterus and oviduct.
The Hering-Breuer reflex
A. is a normal response to increased O2 content in the blood. B. has its sensory components in the sympathetic nerves. C. causes erratic respirations. D. helps prevent overinflation of the lungs. E. limits how much air a person can expire.