Test#3 Lesson 11,12

Question 1

What is blood doping?

Answer 1

A blood transfusion to increase the O2 in muscles (the delivery in the blood) in competitions (Ie athletes)

Question 2

What is the pH of blood?

Answer 2

Slightly alkaline at 7:35-7.45. Venous blood has a slightly lower pH b/c of CO2 presence

Question 3

What is the most common blood test?

Answer 3

Measuring RBC’s by the hermatocrit - a test that involves drawing blood into a thin capillary tube and centrifuging the tube to force all the cells to one end

Question 4

The main purpose of erythrocytes

Answer 4

To provide a larger surface area for diffusion of O2 across the membrane, allowing O2 to diffuse rapidly, and allowing for transport

Question 5

The signs of hemophilia and what is lacking in the blood?

Answer 5

The inability of the blood to clot properly, looks Pale, decreased in size

Question 6

What is anemia? The signs and symptoms

Answer 6

A deficiency of RBC’s or insufficient hemoglobin with the RBC.
S&S:
Lack of iron or B12, decrease in RBC production factor (VIII) is missing in the blood

Question 7

In pregnancy, where could difficulty arise with the Rh blood factor?

Answer 7

When the mother is Rh- and the man is Rh+ and they have a baby; during an erythroblastosis fetal is, where an Rh is incompatible between mother and fetus, when the fetal blood may enter maternal circulation

Question 8

Which WBC is the most numerous phagocyte?

Answer 8

Neutroplils

Question 9

What hormone stimulates RBC production?

Answer 9

Jjj

Question 10

What is Tachycardia?

Answer 10

A fast heartbeat, 100bpm or greater

Causes: hypoxia, respiratory distress, fever, stimulation of the sympathetic nervous system

Question 11

What is bradycardia?

Answer 11

Slow heartbeat, 60bpm or less

Causes: fluid overload, late hypoxia (dificiency of O2 reaching tissues) stimulation of Vagus nerve

Question 12

What is serious fluid? Where is it located? What is its purpose in the heart?

Answer 12

Or pericardial fluid, that’s between parietal + visceral pericardium; reduces friction when heart beats

Question 13

What is the natural pacemaker of the heart?

Answer 13

Sinoatrial node

Question 14

An ______ test is ordered to measure the electrical activity of the heart.

Answer 14

ECG or EKG

Question 15

The electrical activity that triggers contraction in the heart is called a ________.

Answer 15

Depolarization

Question 16

What is a vein?

Answer 16

Carries blood from the capillaries back to the heart

Question 17

What is an artery?

Answer 17

Arteries carry blood from the heart to capillaries

Question 18

In heat, the circulatory system ______.

Answer 18

Hhgg

Question 19

In the cold, the circulatory system would _____.

Answer 19

Hhf

Question 20

What is an embolus?

Answer 20

When a broken off part of a blood clot that has formed and has travelled and lodged itself further along a vessel

Question 21

The most numerous valves are located in the _________.

Answer 21

Heart

Question 22

The most numerous valves are located in the _________.

Answer 22

Heart

Question 23

Another word for varicose veins, depending on location, in the anal canal, is called _______.

Answer 23

Hemorrhoids

Question 24

In adaptive immunity what are the cells called that remember a foreign antigen?

Answer 24

Memory cells

Question 25

What are the most commonly used pulse sites?

Answer 25

Radial (thumbside of the wrist)
Femoral (top of the thigh)
Popliteal (back of the knee)
Dorsalis pedis (top of foot, lined up with toe)