6 Causes of Cell Injury

Question 1

Name the 6 causes of cell injury?

Answer 1

1. HYPOXIA
2. INJURY FROM PHYSICAL AGENTS
3. RADIATION INJURY
4. CHEMICAL INJURY
5. INJURY FROM BIOLOGICAL AGENTS
6. INJURY FROM NATURAL IMBALANCES

Question 2

What is the most common cause of cell injury?

Answer 2

HYPOXIA

Question 3

What is hypoxia caused by a lack of?

Answer 3

OXYGEN

Question 4

What happens to cells during hypoxia?

Answer 4

THEY SWELL

Question 5

When a body is impacted by mechanical, temperature extremes, or electrical injuries, what would be the cause of cell injury?

Answer 5

INJURY FROM PHYSICAL AGENTS

Question 6

What happens to blood in extreme cold?

Answer 6

INCREASES BLOOD VISCOSITY
+
VASOCONSTRICTION

Question 7

What happens to blood in extreme heat?

Answer 7

COAGULATION

Question 8

Electrical injuries lead to disruption of __________ and _________ impulses.

Answer 8

NEURAL
and
CARDIAC

Question 9

What are the three types of radiation injury?

Answer 9

IONIZING RADIATION
\+
ULTRAVIOLET RADIATION
\+
NON-IONIZING RADIATION

Question 10

IONIZING radiation can immediately kill cells, interrupt replication, and cause genetic mutations, and is used in the treatment of what?

Answer 10

CANCER

Question 11

Name the type of radiation injury involving sunburns, increased risk of skin cancer, damage to malanin and DNA?

Answer 11

ULTRAVIOLET RADIATION

Question 12

Infrared light, ultrasound, microwave, and laser energy are all examples of which form of radiation?

Answer 12

NON-IONIZING RADIATION

Question 13

What does non-ionizing radiation cause by the vibration and rotation of atoms and molecules?

Answer 13

HYPERTHEMIA

Question 14

Which type of cell injury is caused by drugs, lead toxicity and mercury toxicity?

Answer 14

CHEMICAL INJURY

Question 15

Which form of cell injury is able to replicate and can continue to produce their injurious effects?

Answer 15

INJURY FROM BIOLOGICAL AGENTS

Question 16

Submicroscopic viruses and larger parasites are examples of agents involved in which form of cell injury?

Answer 16

INJURY FROM BIOLOGICAL AGENTS

Question 17

Nutritional excess can lead to ____________.

Answer 17

OBESITY

Question 18

Nutritional deficiency can lead to ____________.

Answer 18

MALNUTRITION

Question 19

A lack of Vitamin C will result in which unwanted condition?

Answer 19

SCURVEY

Question 20

A lack of Vitamin B1 (thiamine) will result in which unwanted condition?

Answer 20

BERI BERI

Question 21

Diets high in saturated fats can predispose a person to what?

Answer 21

ATHEROSCLEROSIS