What is the "soft spot" that can be felt on the top of a baby's head?
A. The posterior fontanelle
B. The sagittal suture
C. The sphenoid fontanelle
D. The mastoid fontanelle
E. The anterior fontanelle
Answer: E
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Insulin is secreted from the pancreatic islets of Langerhans in response to elevated levels of glucose in the blood plasma. The effect of insulin is to stimulate cells to take up glucose (out of the plasma), resulting in decreased plasma glucose levels. This system is an example of the physiological principle of
a. homeostasis. b. homeothermy. c. home remedy. d. homeopathy. e. digestion.
The bellies of the occipitofrontalis muscle are connected by the
A) mandible. B) frontal bone. C) occipital bone. D) epicranial aponeurosis. E) forehead.
Gray matter derives its color from the myelinated axons that compose it.
Answer the following statement true (T) or false (F)
Which of the following is a special characteristic of the respiratory membrane structure that facilitates gas diffusion?
A. the merging of the basement membranes of the alveoli and capillary B. the presence of alveolar pores C. the presence of surfactant D. the presence of type I and type II alveolar cells