NEW HBS EoC 2024

During a biology class, Charlotte, Harper, and Aria are learning about human anatomy. The teacher asks, 'What are the plans of the body that we discussed?'

• Frontal, sagittal, and transverse

• Circular, triangular, and square

• Horizontal, vertical, and diagonal

• Upper, lower, and side

During a biology class, Luna was asked to classify the type of tissue bones are made of. What is the correct classification?

• Connective tissue

• Muscle tissue

• Nervous tissue

• Epithelial tissue

Imagine Grace is a medical student who is studying how the body maintains its structure and mineral balance. She learns about a process that involves the breakdown and formation of bone tissue. How does this process, known as bone remodeling, relate to the regulation of blood calcium levels?

• Bone remodeling is the process of bone being broken down and reformed; it helps maintain healthy bone and regulates blood calcium levels.

• Bone remodeling is the growth of new bone tissue; it has no relationship with blood calcium levels.

• Bone remodeling is the hardening of bone; it decreases blood calcium levels.

• Bone remodeling is the softening of bone; it increases blood calcium levels.

During a school science fair, Samuel explains how osteoblasts and osteoclasts assist with bone remodeling and overall bone homeostasis. How do they do it?

• Osteoblasts build bone and osteoclasts break down bone, balancing bone formation and resorption.

• Osteoblasts break down bone and osteoclasts build bone, balancing bone formation and resorption.

• Osteoblasts and osteoclasts both build bone, increasing bone density.

• Osteoblasts and osteoclasts both break down bone, decreasing bone density.

After Mason broke his arm during a soccer game, what are the four main stages of healing his bone will go through?

• Inflammation, soft callus formation, hard callus formation, and bone remodeling

• Inflammation, bone production, bone remodeling, and healing

• Swelling, repairing, solidification, and strengthening

• Breaking, mending, fusion, and recovery

During a school sports day, Anika is able to run and jump because of which type of muscle tissue that is under voluntary control and primarily responsible for these body movements?

• Smooth Muscle

• Cardiac Muscle

• Skeletal Muscle

• None of the above

During a school science fair, Jackson, Grace, and Samuel built a model representing the human body. What is the primary function of the cardiac muscle they included in their model?

• To move substances within the body

• To stabilize body position

• To contract and pump blood throughout the body

• To provide structural support to the body

During a school sports day, Liam notices his muscles tire after a long sprint. What role does ATP play in this scenario?

• It provides the energy needed for muscle contraction

• It acts as a muscle relaxant

• It serves as a muscle fiber

• It prevents muscle contraction

Olivia is considering adding more milk to her diet for reasons other than building strong bones. Which of the following is a valid reason for her to do so?

• To improve vision

• To ensure enough calcium for muscle contraction

• To increase blood volume

• To enhance skin health

During a rigorous workout, how do Henry's intercostal muscles assist him?

• They help in the digestion of food to provide energy

• They are responsible for the movement of his eyes to keep focus

• They assist in breathing by moving the ribcage to inhale more oxygen

• They control the movement of the heart to pump blood faster