how does the nervous system work with the muscular system
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Nursing Elites

HESI A2

Anatomy HESI A2

1. How does the nervous system work with the muscular system?

Correct answer: B

Rationale: The correct answer is B because the nervous system communicates with the muscular system to control voluntary and involuntary muscle movements. The nervous system sends signals to the muscles, instructing them on how to respond to various stimuli in the environment. This communication allows for coordinated movement and responses to external and internal changes. Choice A is incorrect because muscles do not produce chemicals to feed the nerves. Choice C is incorrect because the nervous system does not release chemicals to remove waste from the muscles. Choice D is incorrect because the muscular system does not provide input for the nerves to make decisions.

2. What is the primary function of the pancreas in digestion?

Correct answer: B

Rationale: The correct answer is B: To secrete digestive enzymes. The pancreas plays a crucial role in digestion by secreting digestive enzymes that break down carbohydrates, fats, and proteins in the small intestine. These enzymes help in the process of breaking down food particles into smaller molecules that can be easily absorbed by the body for nutrients. Choices A, C, and D are incorrect as the primary function of the pancreas is not to absorb nutrients, produce bile, or store glucose in digestion.

3. What is the main function of the lymphatic system?

Correct answer: C

Rationale: The main function of the lymphatic system is to fight infections. It achieves this by filtering lymph, returning excess tissue fluid to the bloodstream, and aiding in the body's immune response. The lymphatic system is crucial in protecting the body against pathogens and maintaining overall health. Choices A, B, and D are incorrect because transporting oxygen, producing hormones, and transporting nutrients are functions performed by other systems in the body, like the respiratory, endocrine, and circulatory systems, respectively.

4. Which is an anterior muscle of the thigh?

Correct answer: B

Rationale: The correct answer is B: Quadriceps femoris. The quadriceps femoris is an anterior muscle located on the front of the thigh. It is composed of four muscles: rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. These muscles play a crucial role in extending the knee and are essential for activities like walking, running, and jumping. Choices A, C, and D are incorrect because they are not anterior muscles of the thigh. Gluteus maximus is a muscle located in the buttocks, biceps femoris is a muscle of the posterior thigh, and adductor magnus is a muscle of the medial thigh.

5. What are muscle contractions that normally move food along the human digestive system known as?

Correct answer: C

Rationale: Muscle contractions that move food along the human digestive system are known as peristalsis. Peristalsis consists of a series of coordinated muscular contractions and relaxations that help propel food through the esophagus, stomach, and intestines, facilitating efficient digestion and nutrient absorption. Defecation refers to expelling waste from the body, osmosis is the movement of water across a membrane, and circulation relates to the movement of blood in the body's circulatory system, not directly involved in food transportation along the digestive tract.

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