Exam 20: Digestive, Muscular, and Skeletal Systems

Which of the following sequences correctly describes the organization of muscle tissue from smallest to largest component?

Which of the following nutrients have the lowest energy content per gram?

The ________ supplies digestive enzymes and bicarbonate to the small intestine.

The lower region of the small intestine is structured to create large amounts of surface area so that it can more efficiently

Vanessa has been lifting weights to increase strength in her arms. Which of the following statements about the muscles she is strengthening is true?

As a muscle contracts, which of the following things happens?

Doris visits a physician because she says it feels like bones in her knee are grinding against one another. What two structures within her knee that provide direct contact between bones could be damaged?

Which of the following organs plays a role in producing vitamin D?

Match each vitamin to the function or deficiency described below. -vitamin C

The structure that is highlighted in this illustration of a knee joint is a

After certain knee injuries, patients experience a swelling because of an accumulation of fluid within the knee. This condition is referred to as "water on the knee." Which of the following is a likely source of this fluid?

If a drug attacked and destroyed involuntary muscle cells only, which of the following body functions would be affected?

Match each vitamin to the function or deficiency described below. -vitamin A

The knee is part of the ________ skeleton, which is designed primarily for ________.

Which of the following sequences correctly describes the journey of a potato chip through our digestive tract?

Two babies, Stephen and Janeah, are born with severe defects in their digestive tracts. Stephen is missing most of the upper region of his small intestine. Janeah is missing a large section of the lower region of her small intestine. Describe how these different defects would affect Stephen and Janeah.

A child with adequate calcium in her diet has soft, weak, misshapen bones and is diagnosed with a vitamin deficiency. What vitamin is most likely deficient in her diet, and what foods could she eat to increase her levels of this vitamin?

________ are the contractile units within muscle fibers.

One of the advantages of the villi that line the small intestine is that they

As an experiment, a person who wishes to avoid getting ill during the winter significantly boosts his or her vitamin intake by taking multiple vitamin supplements. This action could