which type of tissue connects bones to other bones
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HESI A2

HESI A2 Anatomy and Physiology Practice Test 2023

1. Which type of tissue connects bones to other bones?

Correct answer: B

Rationale: The correct answer is B: Ligaments. Ligaments are tough, flexible connective tissues that connect bones to other bones, providing stability and support to joints. Tendons (choice A) connect muscles to bones, enabling movement. Cartilage (choice C) is a firm, rubbery material that cushions bones at joints. Muscles (choice D) are contractile tissues responsible for movement. Therefore, when looking for the tissue that connects bones to other bones, ligaments are the most appropriate choice.

2. 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.

3. What is the main function of the immune system?

Correct answer: B

Rationale: The main function of the immune system is to protect the body from infections by identifying and destroying pathogens like bacteria and viruses. It plays a crucial role in maintaining overall health and preventing illnesses. Choice A is incorrect because hormone production is primarily handled by the endocrine system, not the immune system. Choice C is incorrect as waste removal is mainly performed by the excretory system, not the immune system. Choice D is incorrect as regulating body temperature is primarily the role of the thermoregulatory system, not the immune system.

4. Which type of muscle is found in the heart?

Correct answer: B

Rationale: Cardiac muscle is a specialized type of muscle found only in the heart. It is responsible for the rhythmic contractions that pump blood throughout the body. Unlike smooth and skeletal muscle, cardiac muscle has its own unique structure and function to meet the demands of the heart's continuous pumping action. Smooth muscle is found in the walls of internal organs and blood vessels, not in the heart. Skeletal muscle is attached to bones and helps in movement but is not found in the heart. Striated muscle is a broader term that includes both cardiac and skeletal muscle, but specifically, cardiac muscle refers to the muscle tissue of the heart.

5. The corpus callosum facilitates communication between which brain structures?

Correct answer: A

Rationale: The corpus callosum is a structure in the brain that enables communication between the two hemispheres. It allows for the transfer of various types of information, such as motor, sensory, and cognitive, between the left and right brain hemispheres, aiding in overall brain function and integration of tasks. Choices B, C, and D are incorrect as they do not involve the specific brain structures connected by the corpus callosum.

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