Intro to Path Inflammation LU 3

A tissue reaction to irritation, infection, or injury marked by localized heat, swelling, redness, pain and sometimes loss of function

• inflammation

• regeneration

• resolution

• repair

• metaplasia

Answer explanation

The correct answer is inflammation, which is a tissue reaction characterized by localized heat, swelling, redness, pain, and sometimes loss of function due to irritation, infection, or injury.

Another name for a scar is cicatrix

• true

• false

Answer explanation

The statement is true; a scar is medically referred to as a cicatrix. This term is used to describe the fibrous tissue that replaces normal skin after an injury.

Which of the following are causes of inflammation? Choose all that apply.

• immunological reactions

• acids, bases, chlorine

• splinters, UV light,

• trauma, fungi, viruses

• none of these

Answer explanation

All listed options are causes of inflammation. Immunological reactions trigger immune responses, while acids, bases, and chlorine can cause chemical irritation. Physical trauma, splinters, UV light, fungi, and viruses also lead to inflammation.

The difference between a vesicle and blister is size

• true

• false

Answer explanation

The statement is true because the primary distinction between a vesicle and a blister is indeed their size. Vesicles are typically smaller than blisters, which are larger fluid-filled sacs.

What is the process of healing referred to as?

• repair

• regeneration

• resolution

• inflammation

Answer explanation

The process of healing is referred to as 'repair'. It involves restoring tissue integrity and function after injury, distinguishing it from other processes like inflammation or regeneration.

An open sore or lesion of skin or mucous membrane that is accompanied by falling off of inflamed tissue is called a/an

• ulcer

• abscess

• vesicle

• pustule

• carbuncle

Answer explanation

An ulcer is defined as an open sore or lesion on the skin or mucous membrane, often resulting from the shedding of inflamed tissue. This matches the description given in the question, making 'ulcer' the correct answer.

Several communicating boils of the skin and subcutaneous tissues is called.

• furnuncle

• carbuncle

• pustule

• abscess

• ulcer

Answer explanation

Several communicating boils are referred to as a carbuncle. A furnuncle is a single boil, while an abscess is a localized collection of pus. Pustules and ulcers are different skin conditions, making carbuncle the correct choice.

The eosinophil is the white blood cells involved in phagocytosis

• true

• false

Answer explanation

Eosinophils are primarily involved in combating parasitic infections and allergic reactions, not phagocytosis. Phagocytosis is mainly performed by neutrophils and macrophages, making the statement false.

Match the following

• rubor

• pain

• calor

• redness

• dolor

• heat

• tumor

• swelling

Tags

NGSS.HS-LS1-3

What is an increase in blood flow to a region called? Choose all that apply

• hyperemia

• congestion

• ischemia

• dolor

• necrosis

Answer explanation

An increase in blood flow to a region is called hyperemia. Congestion also refers to an accumulation of blood in a region, but ischemia indicates reduced blood flow, while dolor and necrosis are unrelated.