Identify the type of cells that secrete hydrochloric acid to dissolve the mineral component of bone matrix.
A. osteoblasts
B. chondrocytes
C. osteoclasts
D. osteocytes
E. leucocytes
Answer: C
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Which of the following statements best describes the pharyngeal phase of swallowing?
A. It is the phase in which the involuntary swallowing reflux begins and the bolus is carried through the pharynx to the top of the esophagus. B. It is the phase in which there is a rapid passage of large amounts of food into the small intestine. C. It is the phase in which esophageal peristalsis carries the bolus through the esophagus and LES and into the stomach. D. It is the phase in which the tongue moves the bolus to the back of the throat. E. It is the phase in which the food is chewed and made into a bolus by the tongue, teeth, and mandible.
You work with a primary care physician to help newly pregnant women plan their diets. What vital information is needed to formulate a plan of weight gain?
a. Weight and height b. Physical activity level c. Number of previous pregnancies d. Weight gain preference of the mother
The surface area of the small intestine is greatly increased by fingerlike projections called:
a. probiotics. b. mucosa. c. diverticula. d. villi.
The most common method of purging by those with bulimia is ____
A) laxatives B) self-induced vomiting C) the use of ipecac D) enemas