Circulatory System

Question 1

Double layered membrane that covers the heart

Answer 1

Pericardium

Question 2

Smallest microscopic thinwald blood vessels are called

Answer 2

Capillaries

Question 3

Bicuspid valve allows blood to only flow frown

Answer 3

Left atrium to left ventricle

Question 4

The cell that is destroyed by the HIV virus in AIDS is the

Answer 4

Helper T-cells

Question 5

How is HIV transmitted from one person to another?

Answer 5

Person-To-Person only through the exchange of bodily fluid that combines high concentration of the virus and Port of entry and proper environment, not necessarily sexual contact

Question 6

An HIV infected person is clinically said to have AIDS when their CD4 + T-cell blood count falls below

Answer 6

200 per cubic millimeter of blood

Question 7

White blood cells are also called

Answer 7

Leukocytes

Question 8

Cranial cavity receives blood from the

Answer 8

Internal branch of the carotid artery

Question 9

Massive blood trapped under the skin from bleeding

Answer 9

Hematoma

Question 10

Filter, excess fluid and damaged cells from the lymph

Answer 10

Lymph nodes

Question 11

Occipital lymph nodes are located..

Answer 11

At the base of the skull

Question 12

In case of injury platelets release ________ that works as a vasoconstrictor

Answer 12

Serotonin

Question 13

Pulmonary circulation is from…

Answer 13

Right ventricle, to lungs, back to the heart

Question 14

Filters lymph from legs, left arm, and left side of the head

Answer 14

Thorasic duct

Question 15

Relaxation and enlargement of arterial walls

Answer 15

Vasodilation