Q: Which of the following is a correct application of the bone growth equation?

$$\text{Rate of bone growth} = \text{activity of growth hormone} + \text{activity of thyroid hormone}$$

Question 1

A patient presents with a third-degree burn covering the face, hands, and feet. According to the rule of nines, why is this situation considered critical?

Accepted Answer

Because burns in these areas make it difficult for paramedics to access fluid loss volume

Question 2

Which of the following best describes the function of desmosomes in the epidermis?

Accepted Answer

They provide strong adhesion between cells, preventing tissue separation

Question 3

A 65-year-old woman is diagnosed with osteoporosis. Which of the following is NOT a typical feature of this condition?

Accepted Answer

Excessive bone mineralization

Question 4

Which formula correctly represents the regulation of blood calcium levels?

Accepted Answer

$$9-11\ \mathrm{mg/dL}$$

Question 5

During bone repair after a fracture, which stage involves the formation of a soft callus by fibroblasts and chondroblasts?

Accepted Answer

Fibrocartilaginous callus formation

Question 6

Which type of cartilage is found in the intervertebral discs and pubic symphysis, providing strong support and resistance to compression?

Accepted Answer

Fibrocartilage

Question 7

A patient with a vitamin D deficiency is most likely to develop which bone disorder, and what is a common symptom?

Accepted Answer

Osteomalacia; pain and bowlegs

Question 8

Which of the following best explains why burn victims need more calories during recovery?

Accepted Answer

To support the increased metabolic demand for tissue repair

Question 9

Which layer of the epidermis is responsible for producing new skin cells and contains melanocytes and Merkel cells?

Accepted Answer

Stratum basale

Question 10

Which of the following is a function of the periosteum in bone structure?

Accepted Answer

It covers the diaphysis and contains blood vessels and nerves

Question 11

A child is experiencing rapid bone growth during puberty. Which process is primarily responsible for the lengthening of long bones?

Accepted Answer

Endochondral ossification at the epiphyseal plate

Question 12

Which of the following best describes the role of hydroxyapatites in bone tissue?

Accepted Answer

They provide resistance to compression and contribute to bone strength

Question 13

Which gland type releases its entire cell contents into the secretion, as seen in sebaceous glands?

Accepted Answer

Holocrine

Question 14

A patient has a bone fracture. Which of the following correctly lists the sequence of bone repair stages?

Accepted Answer

Hematoma formation → Fibrocartilaginous callus → Bony callus formation → Bone remodeling

Question 15

Which of the following is a correct application of the bone growth equation?

Accepted Answer

$$	ext{Rate of bone growth} = 	ext{activity of growth hormone} + 	ext{activity of thyroid hormone}$$

Question 16

Which of the following best describes the difference between appositional and interstitial cartilage growth?

Accepted Answer

Appositional growth adds new matrix on the outside of the tissue, while interstitial growth expands the matrix from within

Question 17

Which of the following is a characteristic of hyaline cartilage?

Accepted Answer

Shiny, bluish tint, and flexible

Question 18

A patient with Paget's disease is most likely to exhibit which of the following bone characteristics?

Accepted Answer

Weak, poorly mineralized bone due to abnormal bone remodeling

Question 19

Which of the following is NOT a function of bone tissue?

Accepted Answer

Hormone secretion

Question 20

A patient suffers a second-degree burn covering 30% of their body. According to clinical guidelines, how should this burn be classified?

Accepted Answer

Critical, because more than 25% of the body is covered in second-degree burns

Anatomy & Physiology Study Notes: Integumentary and Skeletal Systems

Guida di studio - Domande di pratica

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