which of the following is a structure found in the upper respiratory pharynx
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HESI A2

Anatomy and Physiology Hesi A2 Practice Test

1. Which of the following structures is found in the upper respiratory system alongside the Pharynx?

Correct answer: A

Rationale: The correct answer is 'Larynx.' The larynx is indeed located in the upper respiratory system alongside the pharynx. Positioned below the pharynx and above the trachea, the larynx is crucial for breathing and sound production. The trachea and bronchi are part of the lower respiratory system and are situated below the larynx, making them incorrect choices in this context.

2. Which system does the gall bladder belong to?

Correct answer: C

Rationale: The gall bladder is part of the digestive system. Its primary function is to store and concentrate bile produced by the liver and release it into the small intestine to aid in the digestion of fats. This process facilitates the breakdown and absorption of fats from the food we consume. Choices A, B, and D are incorrect as the gall bladder is not associated with the endocrine, urinary, or nervous systems.

3. Which lobe of the brain is primarily responsible for processing sensory information related to touch, temperature, and body position?

Correct answer: B

Rationale: The parietal lobe is primarily responsible for processing sensory information related to touch, temperature, and body position. It plays a crucial role in interpreting sensations from different parts of the body, including proprioception, which is the awareness of body position. The frontal lobe is more associated with functions like decision-making and personality, the occipital lobe is primarily involved in visual processing, and the temporal lobe is responsible for auditory processing and memory. Therefore, the parietal lobe is the correct answer for this question.

4. How does the lymphatic system work with the circulatory system?

Correct answer: B

Rationale: The lymphatic system works with the circulatory system by draining excess fluid and waste products from the spaces between cells, known as interstitial fluid. This excess fluid, now called lymph, is then transported back into the blood circulation through lymphatic vessels. This process helps maintain fluid balance in the body and supports the circulatory system in regulating blood volume and pressure. Choice A is incorrect because the circulatory system does not produce red blood cells for the lymphatic system. Choice C is incorrect as the heart does not regulate lymph production in lymph glands. Choice D is incorrect as white cells from the lymphatic system do not eliminate excess red blood cells. Therefore, the correct answer is B, as lymph draws excess fluid from the cells and deposits it into the blood vessels, aiding in maintaining proper fluid balance and supporting the circulatory system.

5. Which brain structure is involved in memory formation?

Correct answer: A

Rationale: The hippocampus is the correct answer. It plays a crucial role in memory formation, particularly in the creation of new memories and their association with learning and emotions. Damage to the hippocampus can result in memory impairments, highlighting its significance in cognitive functions. The amygdala (Choice B) is involved in the processing of emotions, while the cerebellum (Choice C) is primarily associated with motor control and coordination. The medulla oblongata (Choice D) is responsible for vital autonomic functions like breathing and heart rate regulation, not memory formation.

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