When preparing a presentation for a senior center about age-related musculoskeletal changes, which of the following changes should be included?

Decreased muscle mass

Thickened vertebral disks

Increased force of isometric contraction

Reduced chest width

Answer and Explanation

The Correct Answer is A

Choice A rationale

Decreased muscle mass is a common age-related musculoskeletal change. As people age, they tend to lose muscle mass due to changes in muscle fiber and decreased physical activity. This can lead to weakness and decreased mobility.

Choice B rationale

Thickened vertebral disks are not typically an age-related change. Instead, the disks often become thinner and less flexible with age, which can lead to conditions like degenerative disk disease.

Choice C rationale

Increased force of isometric contraction is not an age-related musculoskeletal change. In fact, both isometric and isotonic muscle strength tend to decrease with age.

Choice D rationale

Reduced chest width is not typically an age-related musculoskeletal change. However, changes in posture and spinal curvature can affect the shape and function of the chest.

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Correct Answer is C

Explanation

Choice A rationale

It is not recommended to increase weight-bearing exercises during pregnancy. Weight-bearing exercises can put additional stress on the joints, which are already under strain due to the increased weight and changes in body shape during pregnancy.

Choice B rationale

It is not necessary to refrain from exercises that include stretching during pregnancy. In fact, gentle stretching can be beneficial to help alleviate some common discomforts of pregnancy such as backache and leg cramps.

Choice C rationale

Moderate exercise does improve circulation. Improved circulation can help reduce swelling, varicose veins, and feelings of fatigue, which are common during pregnancy.

Choice D rationale

It is not necessary to rest for 30 minutes before each new exercise. However, pregnant women should listen to their bodies and rest if they feel tired.

A. Two veins and one artery B. Two arteries and one vein C. One artery and one vein D. Two arteries and two veins

Correct Answer is B

Explanation

Choice B rationale

The umbilical cord normally contains two arteries and one vein. The arteries carry deoxygenated blood and waste products from the fetus to the placenta, and the vein carries oxygenated blood and nutrients from the placenta to the fetus.

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When preparing a presentation for a senior center about age-related musculoskeletal changes, which of the following changes should be included?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

After the delivery of the placenta, a nurse in labor and delivery examines the umbilical cord.Which of the following vessels should the nurse expect to observe in the umbilical cord?

Correct Answer is B

Explanation

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