What structure secretes melatonin?
A) pineal gland
B) posterior pituitary
C) anterior pituitary
D) hypothalamus
A
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Each of the following lists some of the tissue layers of the digestive tract. Which one has them in correct order from lumen to external surface?
A. Mucosa, muscularis mucosae, submucosa, muscularis externa, lamina propria B. Mucosa, submucosa, muscularis mucosae, muscularis externa, lamina propria C. Mucosa, submucosa, muscularis externa, lamina propria, serosa D. Lamina propria, muscularis mucosae, submucosa, muscularis externa, serosa E. Serosa, lamina propria, submucosa, muscularis mucosae, muscularis externa
Anabolism is a term that describes _________.
A) reactions that require a net input of energy. B) reactions that release energy and reactions that result in the synthesis of large biomolecules. C) reactions that release energy. D) reactions that require a net input of energy and reactions that result in the synthesis of large biomolecules. E) reactions that result in the synthesis of large biomolecules.
A muscle that attaches to the greater trochanter, abducts and medially rotates the thigh, and shifts the weight of the trunk while walking is the gluteus ________.
Fill in the blank(s) with the appropriate word(s).
Negative-pressure ventilation occurs when:
A) the diaphragm ascends and the intercostal muscles retract. B) air is drawn into the lungs when intrathoracic pressure decreases. C) pressure within the chest decreases and air is forced from the lungs. D) the phrenic nerves stop sending messages to the diaphragm.