Serous cells in the submandibular salivary gland secrete what substance(s)?
A) gastrin
B) lysozyme and salivary amylase
C) mucins and water
D) lingual lipase
E) intrinsic factor and hydrochloric acid
Answer: B
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Indicate whether the statement is true or false
The canal that runs through the core of each osteon (the Haversian canal) is the site of ________.
yellow marrow and spicules blood vessels and nerve fibers adipose tissue and nerve fibers cartilage and interstitial lamellae
Which predisposing factor of disease cannot be controlled by the individual?
A. Lifestyle B. Age C. Environment D. All of these predisposing factors can be controlled by the individual.
In which of the following cases would the focal distance be greater?
A) a round lens B) a flat lens C) It doesn't matter, focus distance doesn't change with the shape of the lens.