the lateral side of the right knee would be
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HESI A2

HESI A2 Anatomy and Physiology Quizlet 2024

1. The lateral side of the right knee would be ___________.

Correct answer: C

Rationale: The lateral side of the right knee is the side that is farthest from the left knee when looking at the knee joint from the front. The term 'lateral' refers to the side of the body that is farther away from the midline or center of the body. In this case, the lateral side of the right knee is on the outer side of the knee joint, away from the other knee. Choice A is incorrect as the kneecap is located at the front of the knee. Choice B is incorrect as it describes the medial side, not the lateral side. Choice D is incorrect as it refers to the underside, which is not related to the lateral aspect of the knee.

2. How do the muscular and skeletal systems collaborate to facilitate movement?

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.

3. If an impulse is traveling from a sense receptor toward the spinal cord, it is traveling along what type of neuron?

Correct answer: B

Rationale: The correct answer is B: Sensory neuron. A sensory neuron is responsible for carrying impulses from sensory receptors to the spinal cord. These neurons transmit information about external stimuli from the periphery to the central nervous system for processing and response. Choice A, Motor neuron, is incorrect as motor neurons carry signals from the central nervous system to muscles and glands, enabling movement and secretion. Choice C, Interneuron, is incorrect as interneurons act as connectors between sensory and motor neurons, primarily facilitating communication between the two. Choice D, Bipolar neuron, is incorrect as bipolar neurons are specialized sensory neurons found in some sensory organs like the retina of the eye and the olfactory epithelium.

4. The sebaceous glands are part of which system?

Correct answer: D

Rationale: The sebaceous glands are a component of the integumentary system, which includes the skin, hair, nails, and associated structures. Sebaceous glands are typically found throughout the skin and are responsible for producing an oily substance called sebum, which helps keep the skin and hair lubricated and moisturized. The endocrine system (Choice A) consists of glands that produce hormones, the digestive system (Choice B) is responsible for processing food, and the respiratory system (Choice C) is involved in breathing and gas exchange.

5. Which part of the brain controls involuntary actions such as breathing and heart rate?

Correct answer: C

Rationale: The medulla oblongata, located at the base of the brainstem, controls essential involuntary actions such as breathing, heart rate, and blood pressure. It plays a crucial role in maintaining vital functions necessary for survival. The cerebrum is responsible for voluntary actions, conscious thought, and sensory processing, making it an incorrect choice. The cerebellum primarily coordinates movement, balance, and posture, not involuntary actions like breathing and heart rate. The hypothalamus regulates body temperature, thirst, hunger, and controls the endocrine system, but it is not directly responsible for controlling breathing and heart rate.

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