which part of the brain is responsible for regulating emotions and memory
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HESI A2

HESI A2 Anatomy and Physiology Quizlet

1. Which part of the brain is responsible for regulating emotions and memory?

Correct answer: C

Rationale: The amygdala, located in the temporal lobe of the brain, is responsible for regulating emotions and memory, particularly those related to fear and pleasure. It plays a crucial role in processing emotional responses, forming emotional memories, and modulating emotional reactions. The cerebrum (Choice A) is responsible for higher brain functions such as thought and action. The cerebellum (Choice B) is mainly involved in coordination and balance. The brainstem (Choice D) controls basic life functions such as breathing and heart rate.

2. What type of joint is found in the shoulder?

Correct answer: A

Rationale: The correct answer is a ball and socket joint. The shoulder joint is a ball and socket joint, allowing for a wide range of motion, including rotation. This joint provides excellent flexibility and mobility, making movements like circular motions and rotations possible. A hinge joint, like the elbow, allows movement in only one plane (flexion and extension). A saddle joint, found in the thumb, allows for a wide range of motion but not as much as a ball and socket joint. A pivot joint, such as the joint between the first and second vertebrae of the neck, allows rotation only.

3. Which bone does not articulate with any other bone in the body?

Correct answer: B

Rationale: The correct answer is B: Hyoid. The hyoid bone is the only bone in the body that does not articulate with any other bones. It is located in the neck and supports the tongue and other muscles involved in swallowing and speech. The scapula articulates with the clavicle and humerus, the radius with the ulna and humerus, and the femur with the pelvis and tibia. Choices A, C, and D are incorrect because they all articulate with other bones in the body.

4. What is true about caloric intake for the average person?

Correct answer: C

Rationale: Caloric intake for the average person typically declines with age due to factors such as changes in metabolism, muscle mass, and physical activity levels. As people age, their metabolism tends to slow down, and they may also experience a decrease in muscle mass and physical activity, leading to a reduced need for calories. Option A is incorrect because caloric intake generally decreases rather than increases with age. Option B is incorrect as it suggests a fluctuation in caloric intake that is not typically seen. Option D is incorrect as caloric needs usually change over a person's lifetime due to various factors.

5. What is the primary function of the digestive system?

Correct answer: B

Rationale: The primary function of the digestive system is to break down food into smaller molecules and absorb nutrients such as vitamins, minerals, carbohydrates, proteins, and fats. These nutrients are then utilized by the body for energy, growth, and repair. The digestive system plays a crucial role in the process of extracting essential components from food and distributing them to the body's cells through the bloodstream. Choices A, C, and D are incorrect because transporting oxygen, producing hormones, and transporting blood are functions associated with other body systems like the respiratory system, endocrine system, and circulatory system, respectively, not the digestive system.

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