What is the function of the structure labeled "6"?
A) strains materials entering the stomach
B) regulates release of chyme into the duodenum
C) mixes stomach juice into food
D) controls contraction of stomach muscles
E) prevents food from entering the esophagus
Answer: B
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A reduced ability to generate tension due to recent exertion of force is known as muscle ________.
Fill in the blank(s) with the appropriate word(s).
Joshua broke his fibula and had to wear a cast for 6 weeks. The muscles attaching to this bone atrophied during this time. What muscle function was Joshua unable to perform as a result?
a. plantar flexing the foot b. flexing the knee c. everting the foot d. dorsiflexing the foot
________ epithelium is the most widespread epithelium in the body, whereas ________ epithelium is rare.
A. Simple cuboidal; stratified squamous B. Stratified squamous; stratified columnar C. Stratified squamous; simple squamous D. Simple columnar; stratified columnar E. Pseudostratified; stratified squamous
Which of the following individuals would have more mitochondria in her skeletal muscle?
A) A long-term hospice patient B) A 50-year-old sedentary computer programmer C) A model on a reduced-calorie diet D) A newborn E) A 22-year-old soccer player