HESI A2
HESI A2 Anatomy and Physiology Practice Test
1. How might an injury to the parietal lobe impact an individual?
- A. Breathing
- B. Attention
- C. Memory
- D. Perception
Correct answer: D
Rationale: An injury to the parietal lobe can impact an individual's perception, affecting their ability to interpret sensory information such as touch, spatial orientation, and recognizing objects. The parietal lobe is crucial for integrating sensory information and creating a coherent perception of the surrounding world. Damage to this area can lead to challenges with spatial awareness, object recognition, and accurate processing of sensory input. Choices A, B, and C are incorrect because breathing, attention, and memory are primarily associated with other brain regions such as the brainstem, frontal lobe, and temporal lobe respectively, not the parietal lobe.
2. In the human body, the ribs are ___________ to the lungs.
- A. medial
- B. superior
- C. anterior
- D. deep
Correct answer: C
Rationale: The correct answer is 'C: anterior.' The term 'anterior' refers to a position in front of or toward the front of the body. In this case, the ribs are positioned in front of the lungs when considering the anatomical position. The term 'medial' means toward the midline of the body, 'superior' means above or higher in position, and 'deep' refers to a position farther from the surface or external part. Therefore, the most appropriate choice is 'anterior' when describing the relationship between the ribs and the lungs.
3. Which hormone is not produced by the pituitary gland?
- A. FSH
- B. TRH
- C. LH
- D. ADH
Correct answer: B
Rationale: Thyrotropin-releasing hormone (TRH) is not produced by the pituitary gland. TRH is actually produced by the hypothalamus and acts on the pituitary gland to stimulate the release of thyroid-stimulating hormone (TSH). On the other hand, FSH (follicle-stimulating hormone), LH (luteinizing hormone), and ADH (antidiuretic hormone) are all hormones directly produced by the pituitary gland.
4. Which system does the gall bladder belong to?
- A. endocrine system
- B. urinary system
- C. digestive system
- D. nervous system
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.
5. How do the muscular and skeletal systems collaborate to facilitate movement?
- A. Muscles attached to tendons contract to bend the skeleton at the joints.
- B. The hard bones of the skeleton protect the voluntary muscles of the limbs.
- C. The cardiac muscles produce calcium that is needed for sturdy bones.
- D. Smooth muscles on internal organs leach excess minerals from the bones.
Correct answer: A
Rationale: The muscular system and the skeletal system collaborate to facilitate movement. Muscles are connected to bones through tendons and contract to generate movement at the joints. When muscles contract, they exert force on the bones, resulting in actions like bending the arm or leg. This coordinated effort between muscles and bones is crucial for various activities such as walking, running, and grasping objects. Choices B, C, and D are incorrect because they do not accurately describe the interaction between the muscular and skeletal systems. The skeletal system's primary role is to provide structural support and protect internal organs, while cardiac muscles are responsible for heart function and not bone strength. Smooth muscles are found in internal organs and are not involved in leaching excess minerals from bones.
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