Within the medulla of the kidney are 8 to 18 striated, triangular structures called renal ____
a. papillae
b. fascia
c. columns
d. pyramids
d
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If a bone fractured in the shaft, what part of the bone would be broken?
A) epiphysis B) diaphysis C) metaphysis D) articular cartilage
Certain diseases, such as Parkinson's disease, will weaken the swallowing reflex and decrease the muscularis externa activity in the esophagus. What is one type of complication that can result?
a) Patients with Parkinson's disease may have trouble creating a bolus and pushing it posteriorly toward the oropharynx. b) Patients with Parkinson's disease may aspirate their food because the swallowing reflex may not properly trigger the elevation of the larynx. c) Patients with Parkinson's disease may have their food enter the stomach too quickly because the muscularis externa will increase peristalsis. d) Patients with Parkinson's disease will vomit more often due to the muscularis externa activity being decreased.
Except for the sense of ________, all sensory information is relayed through the thalamus.
A. balance B. vision C. smell D. taste
How are the endocrine and the nervous systems alike?
a) both use chemical messengers for communication b) both release chemical messengers in response to increased calcium levels c) both rely on voltage gated channels to initiate communication