HESI A2
HESI A2 Anatomy and Physiology Quizlet 2024
1. The lateral side of the right knee would be ___________.
- A. the kneecap
- B. closest to the left knee
- C. farthest from the left knee
- D. on the underside of the knee
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. Which part of the brain is responsible for processing emotions?
- A. Frontal lobe
- B. Amygdala
- C. Parietal lobe
- D. Occipital lobe
Correct answer: B
Rationale: The correct answer is the amygdala. It is a small, almond-shaped structure located within the temporal lobe of the brain. The amygdala plays a crucial role in processing emotions such as fear, anger, pleasure, and other emotional responses. It is involved in the formation of emotional memories and helps regulate emotional responses to various stimuli. The frontal lobe is mainly responsible for higher cognitive functions such as decision-making and problem-solving, not processing emotions. The parietal lobe is involved in processing sensory information and spatial awareness, while the occipital lobe is primarily responsible for processing visual information.
3. Which type of muscles are involved in peristalsis?
- A. Smooth muscles
- B. Cardiac muscles
- C. Skeletal muscles
- D. Epaxial muscles
Correct answer: A
Rationale: Peristalsis is a coordinated, wave-like muscular contraction that propels food and other materials through the digestive tract. Smooth muscles are responsible for this movement in the gastrointestinal tract, providing the involuntary contractions needed for peristalsis to occur. Skeletal muscles, cardiac muscles, and epaxial muscles are not directly involved in peristalsis. Cardiac muscles are found in the heart and are responsible for its contraction. Skeletal muscles are attached to bones and control voluntary movements. Epaxial muscles are located along the vertebral column and are involved in the movement and stabilization of the spine.
4. How do the digestive system and urinary system work together?
- A. The digestive system controls the function of the ureter.
- B. The urinary system removes toxins from the products of digestion.
- C. The digestive system manufactures hormones that influence urination.
- D. The urinary system eliminates some waste products of digestion.
Correct answer: D
Rationale: The correct answer is D because the urinary system eliminates some waste products of digestion. After digestion in the digestive system, nutrients are absorbed into the bloodstream, and waste products are transported to the kidneys via the urinary system to be excreted as urine. This process helps eliminate waste products generated during digestion, illustrating the coordination between the digestive and urinary systems. Choices A, B, and C are incorrect. Choice A is incorrect as the ureter is part of the urinary system, not controlled by the digestive system. Choice B is incorrect as the urinary system primarily removes metabolic waste, not toxins from digestion. Choice C is incorrect because the digestive system mainly aids in digestion and nutrient absorption, not hormone production affecting urination.
5. Which of the following structures is found in the upper respiratory system alongside the Pharynx?
- A. Larynx
- B. Trachea
- C. Pharynx
- D. Bronchi
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.
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