Which layer of the alimentary canal is composed of simple squamous epithelium and areolar connective tissue?
A) Serosa
B) Submucosa
C) Muscularis externa
D) Mucosa
Answer: A
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Which is an accurate description of the posterior pituitary and its functions?
A. It is glandular tissue and secretes vasopressin and prolactin. B. It is neural tissue and is stimulated to secrete oxytocin and vasopressin by hypophysiotropic hormones. C. It is neural tissue that secretes hypophysiotropic hormones that control the secretion of the anterior pituitary hormones. D. It is glandular tissue and releases oxytocin and somatostatin when action potentials arrive along axons from the hypothalamus. E. It is neural tissue, and vesicles containing oxytocin and vasopressin are transported to axon terminals there.
The rate of gastric emptying depends entirely on the volume and fluidity of gastric contents
Indicate whether the statement is true or false
Averaged over a few heartbeats, venous return is ________ cardiac output
A) much higher than B) somewhat higher than C) equal to D) somewhat lower than E) much lower than
Which body region is controlled by the largest area of the motor cortex?
A. Trunk B. Toes C. Neck D. Shoulder E. Fingers