which type of tissue connects muscles to bones
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HESI A2

HESI A2 Anatomy and Physiology 2023

1. Which connective tissue type attaches muscles to bones?

Correct answer: B

Rationale: Tendons are the correct answer. They are strong connective tissues that connect muscles to bones, allowing movement when muscles contract. Ligaments connect bones to other bones, providing joint stability. Cartilage is a firm, flexible connective tissue present in joints and the outer ear. Fascia is a connective tissue that surrounds muscles, blood vessels, and nerves, offering support and protection. Therefore, the correct tissue type that connects muscles to bones is tendons.

2. How might an injury to the parietal lobe impact an individual?

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.

3. Which organ is responsible for the production of hormones during stress?

Correct answer: B

Rationale: The adrenal cortex is the organ responsible for producing stress hormones like cortisol and aldosterone, which play a crucial role in the body's stress response. During stress, the adrenal cortex releases cortisol, a hormone that helps the body deal with stress by increasing blood sugar, suppressing the immune system, and aiding in metabolism. Parathyroid gland is responsible for calcium regulation, the posterior pituitary gland secretes hormones like oxytocin and vasopressin which are not directly related to the stress response, and the hypothalamus plays a role in regulating hormonal balance and various bodily functions but is not primarily responsible for producing stress hormones.

4. Which mineral helps maintain fluid balance in the body?

Correct answer: A

Rationale: Potassium is the mineral that helps maintain fluid balance in the body. It plays a crucial role in regulating the amount of fluid inside and outside the body's cells, thereby helping to maintain proper hydration levels. Potassium works in conjunction with sodium to regulate fluid balance and is essential for proper muscle function, nerve transmission, and heart health. Cobalt, chromium, and sulfur do not play significant roles in maintaining fluid balance in the body, making them incorrect choices for this question.

5. The dorsal body cavity is _______ to the ventral body cavity.

Correct answer: C

Rationale: The dorsal body cavity is positioned on the back (posterior) side of the body, whereas the ventral body cavity is on the front (anterior) side. Therefore, the dorsal body cavity is posterior to the ventral body cavity. Choice A, 'medial,' refers to a position toward the midline, not the back or front. Choice B, 'deep,' is a term used to describe structures that are further away from the surface, not their position in relation to each other. Choice D, 'anterior,' is the opposite of 'posterior' and refers to the front side of the body, not the back.

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