11 Which of the following covers compact bone and functions in bone repair and g

Question

11 Which of the following covers compact bone and functions in bone repair and growth?

Select one:

a. periosteum

b. diaphysis

c. epiphysis

d. endosteum

12 Why are severe burn patients at extreme risk of infection?

Select one:

a. These patients have to stay in a hospital environment for a long time while being exposed to sick people.

b. Most immune system cells are destroyed when the skin is damaged.

c. The skin helps with the production of vitamin E, a necessary disease-fighting vitamin.

d. The skin is the first and primary barrier to preventing ingress of foreign substances.

13 ATP provides the energy required for voluntary muscle contraction in an individual's body.

Select one:

True

False

14 Which of the following cells form new bone in bone tissue?

Select one:

a.

fibroblasts

b.

osteocytes

c.

osteoblasts

d.

osteons

15 A bundle of muscle cells is called a(n) fascicle.

Select one:

True

False

16 If a pathogen penetrates nonspecific physical and chemical surface barriers, it breaks through the ________.

Select one:

a. first and second lines of defense

b. third line of defense

c. first line of defense

d. second line of defense

17 The red marrow is the site in long bones that stores fatty tissue used for energy.

Select one:

True

False

18 A pathogen is a disease-causing organism, but not all pathogens are alike. Some pathogens are more dangerous than others. When describing the relative ability of a pathogen to cause disease, we are considering its ________.

Select one:

a. pathogenicity

b. emergence

c. virulence

d. infectivity

19 Pinocytosis is the process whereby cells engulf pathogens and foreign substances.

Select one:

True

False

Explanation / Answer

Que 11

Ans:

The following covers compact bone and functions in bone repair and growth: a. periosteum.

Explanation:

- The periosteum forms the outer surface of bone.

- The periosteum contains blood vessels, nerves and lymphatic vessels that nourish compact bone.

- Hence, correct option is: a. periosteum.

Que 12

Ans:

Severe burn patients are at extreme risk of infection because: d. The skin is the first and primary barrier to preventing ingress of foreign substances.

Explanation:

- Skin is the first line of defense against microorganisms.

- Most organisms and foreign substances cannot penetrate intact skin but can enter the body if the skin is damaged.

- Hence, correct option is: d.

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