Blood Pressure

Q.

Define the following:
Blood pressure

Q. How many chambers are present in human heart?

1. Four
2. Five
3. Two
4. Three

Q.

In reference to vasoconstriction and vasodilation, they are

1. terms that denote the speeding up or slowing down, of pulse rate.

2. an important means of regulating blood flow through blood vessels.

3. accomplished strictly by neural input from the sympathetic nervous system.

4. the primary mechanisms by which the nervous system controls the heart’s forces of contraction.

Q.

Observe the diagram of internal structure of human heart. Identify the parts and choose the correct option.

1. A- Superior venacava
   B- Inferior venacava
   C- Right atrium
   D- Right ventricle
   E- Pulmonary artery
   F- Pulmonary veins
   G- Left atrium
   H- Left ventricle
   I- Aorta

2. A- Inferior venacava
   B- Superior venacava
   C- Right atrium
   D- left ventricle
   E- Pulmonary veins
   F- Pulmonary artery
   G- Left atrium
   H- Right ventricle
   I-Aorta

3. A-Aorta
   B-Superior venacava
   C-Left atrium
   D-Left ventricle
   E-Pulmonary veins
   F-Pulmonary artery
   G-Right atrium
   H-Right ventricle
   I- Inferior venacava

4. A- Superior venacava
   B- Inferior venacava
   C- Right atrium
   D- Left ventricle
   E- Pulmonary veins
   F- Pulmonary artery
   G- Left ventricle
   H- Right atrium
   I- Aorta

Q. Rhythmic contraction and relaxation of heart muscles is known as:

1. Heart beat
2. Heart defect
3. Heart attack
4. Heart disease

Q. An instrument that measures blood pressure is known as .

1. anemometer
2. thermometer
3. sphygmomanometer

Q.

Differentiate between systolic and diastolic pressure?

Q.

High blood pressure is called __.

Q. Answer the following:
1.Which is the major excretory product of fishes?
2. Which is the major excretory product of birds?
3. Which is the major excretory product of humans?

Q. What will happen if xylem tissue of a plant gets damaged in a branch of tree? Also briefly explain the transport of water and minerals in plants?

Q.

Describe the events in the cardiac cycle.

Q. The right and left atrium have chambers with ______.

1. spiral walls
2. thin walls
3. spongy walls
4. thick walls

Q. _________ are known as the suicidal bags of the cell.

1. Mitochondria
2. Vacuoles
3. Lysosomes
4. Centrioles

Q. The right and left atrium have chambers with ______.

1. thick walls
2. spongy walls
3. spiral walls
4. thin walls

Q. The right and left atrium have chambers with ______.

1. thick walls
2. thin walls
3. spongy walls
4. spiral walls

Q.

The pressure of blood inside the artery during ventricular systole (contraction) is called __.

Q. How many chambers are present in human heart?

1. Two
2. Three
3. Five
4. Four

Q. Septum separates right and left parts of the heart.

1. False
2. True

Q.

why the blood pressure of old person is high nor the age btw 10-20?

Q. Label the parts of human heart.

1. Right ventricle
2. Left ventricle
3. Left atrium
4. Right atrium