which part of the brain is responsible for processing sensory information
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HESI A2

HESI A2 Anatomy and Physiology Quizlet

1. Which part of the brain is responsible for processing sensory information?

Correct answer: B

Rationale: The parietal lobe of the brain is responsible for processing sensory information such as touch, temperature, and pain. It integrates sensory information from various parts of the body, allowing an individual to perceive and respond to different stimuli. Functions like spatial awareness and perception of the body's position in space are also associated with the parietal lobe. The frontal lobe is responsible for functions like decision-making and personality. The occipital lobe is primarily involved in visual processing, and the temporal lobe plays a role in memory and auditory processing.

2. Which of the following is not part of the axial skeletal system?

Correct answer: D

Rationale: The correct answer is D, the radius. The axial skeleton comprises bones located along the central axis of the body. It includes the skull, ribs, breastbone (sternum), vertebrae, and sacrum. The radius, on the other hand, is a bone of the forearm, part of the appendicular skeleton. The appendicular skeleton consists of the bones of the limbs and their girdles, not the central axial bones.

3. Which vitamin is essential for the maintenance of healthy skin?

Correct answer: A

Rationale: Vitamin A is the correct answer. It is crucial for maintaining healthy skin as it supports skin cell growth, repair, and overall skin health. Additionally, vitamin A plays a role in vision and immune function. Deficiency in vitamin A can lead to skin issues such as dryness and poor wound healing. Vitamin C is known for its role in collagen synthesis and antioxidant properties, while Vitamin D is important for bone health and immunity. Vitamin K is essential for blood clotting, but it is not primarily associated with skin health.

4. What is the primary function of hemoglobin in the blood?

Correct answer: A

Rationale: The correct answer is A: Transporting oxygen. Hemoglobin, a protein found in red blood cells, plays a crucial role in transporting oxygen in the blood. It binds to oxygen in the lungs forming oxyhemoglobin and carries it to tissues and organs throughout the body. Once at the destination, hemoglobin releases the oxygen for cellular respiration, providing energy for various physiological processes. Choices B, C, and D are incorrect as hemoglobin's primary function is not carrying nutrients, clotting blood, or removing carbon dioxide. These functions are carried out by other components in the blood such as plasma proteins, platelets, and red blood cells, respectively.

5. Which type of blood vessel carries deoxygenated blood back to the heart?

Correct answer: C

Rationale: Veins are the blood vessels that carry deoxygenated blood from the body's tissues back to the heart. Deoxygenated blood is transported from the body to the heart through veins, while arteries carry oxygenated blood away from the heart. Capillaries facilitate the exchange of nutrients and gases between the blood and tissues. Lymphatic vessels are responsible for returning excess tissue fluid to the bloodstream and do not primarily carry deoxygenated blood.

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