Homeostasis

Question 1

1. The maintenance of relatively stable conditions in the body’s internal environment.

Answer 1

Homeostasis

Question 2

Homeostasis:
The two organ systems that control homeostasis.

Answer 2

Nervous and Endocrine System

Question 3

Homeostasis:
1. A cycle of events in which the status of a body condition is monitored, evaluated, changed, re-monitored, re-evaluated, and so on.

Answer 3

Feedback System

Question 4

Homeostasis:
Components of a Feedback System:
1. A body structure that monitors changes in a controlled condition and sends input in the form of nerve impulses or chemical signals to a control center.

Answer 4

Receptor

Question 5

Homeostasis:
Components of a Feedback System:
1. Sets the narrow range within which a controlled condition should be maintained, evaluates the input it receives from receptors, and generates output commands in the form of nerve impulses, or hormones, when they are needed.

Answer 5

Control Center

Question 6

Homeostasis:
Components of a Feedback System:
1. A body structure that receives output from the control center and produces a response or effect that changes the controlled condition.

Answer 6

Effector

Question 7

Homeostasis:
Disorders:
1. A group of diseases characterized by uncontrolled or abnormal cell division.
2. When cells in a part of the body divide without control, the excess tissue that develops is called a TUMOR.

Answer 7

Cancer

Question 8

Homeostasis:
Disorders:
Two Types of Tumors

Answer 8

Malignant and Benign Tumor

Question 9

Homeostasis:
Disorders:
Two Types of Tumors:
1. A cancerous tumor

Answer 9

Malignant Tumor

Question 10

Homeostasis:
Disorders:
Two Types of Tumors
1. A tumor that does not metastasize

Answer 10

Benign Tumor

Question 11

Homeostasis:
Disorders:
1. Diseases in which antibodies produced by the immune system fail to distinguish what is foreign from what is self and attack the body’s own tissues.
2. Caused by internal triggers

Answer 11

Autoimmune Diseases

Question 12

Homeostasis:
Disorders:
1. Reactions which are brought about when the immune system reacts to foreign substances in the environment.
2. Caused by external triggers.

Answer 12

Allergies

Question 13

Homeostasis:
Disorders:
Types of Cancers:
1. A malignant disease of lymphatic tissue.

Answer 13

Lymphoma

Question 14

Homeostasis:
Disorders:
Types of Cancers:
1. A cancer of blood-forming organs characterized by rapid growth of abnormal leukocytes.

Answer 14

Leukemia

Question 15

Homeostasis:
Disorders:
Types of Cancer:
1. A general term for any cancer arising from muscle cells or connective tissues.

Answer 15

Sarcomas

Question 16

Homeostasis:
Disorders:
Types of Cancer:
1. Malignant tumors that arise from epithelial cells.

Answer 16

Carcinomas