Moving from the lumen outward, which of the following describes the correct order of the layers comprising the intestinal wall?
A) Mucosa, submucosa, circular smooth muscle, longitudinal smooth muscle
B) Circular smooth muscle, longitudinal smooth muscle, mucosa, submucosa
C) Circular smooth muscle, mucosa, submucosa, longitudinal smooth muscle
D) Submucosa, mucosa, circular smooth muscle, longitudinal smooth muscle
Answer: A
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Following an automobile accident, a broken rib penetrates into the pleural cavity causing blood to accumulate in the space between the visceral and parietal pleura. What condition is this?
A. Hemothorax B. Pneumothorax C. Tension pneumothorax D. Cystic fibrosis E. Atelectasis
Myofibers in cardiac muscle contain more mitochondria than skeletal muscle
Indicate whether the statement is true or false
The bending of light as it passes through different media is called ________.
A. astigmatism B. refraction C. visual acuity D. accommodation
Which statement is true about neuroglial cells?
A) They transmit electrical signals to other structures via axons. B) They secrete neurotransmitters into the neuromuscular junction. C) They are only found in the brain, spinal cord, and nerves. D) Neurons support and protect the neuroglial cells.