Tag: transportation in animal and plants

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Multiple choice biology human body and organ system blood pressure circulatory system transportation in animal and plants

If the systolic pressure is 120 mm Hg and diastolic pressure is 80 mm Hg, the pulse pressure is ____.

  1. 120 x 80 = 9600 mm Hg

  2. 120 + 80 = 200 mm Hg

  3. 120-80 = 40 mm Hg

  4. $\frac {120}{80}$ = 1.5 mm Hg
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
The pulse pressure can be defined as the difference between the diastolic and systolic pressure of an individual’s heart. If the normal diastolic and systolic pressure of the adult human heart is 120 mm Hg and 80 mm Hg, respectively then the pulse pressure is 120 - 80 = 40 mm Hg.
Thus, the correct answer is '120-80 = 40 mm Hg.'
Multiple choice biology human body and organ system blood pressure circulatory system transportation in animal and plants

Which one of the following statements is correct regarding blood pressure?

  1. 130/90 mm Hg is considered high and requires treatment.

  2. 100/55 mm Hg is considered an ideal blood pressure.

  3. 105/50 mm Hg makes one very active.

  4. 190/110 mm Hg may harm vital organs like brain and kidney.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
The blood pressure above 140/90 mm Hg is considered a high blood pressure and recurrent such values of an individual’s blood pressure can indicate hypertension. Blood pressure with more than values 190/110 mm Hg can have disastrous effects on the kidney and the brain.
Thus, the correct answer is '190/110 mm Hg may harm vital organs like brain and kidney.'
Multiple choice biology human body and organ system blood pressure circulatory system transportation in animal and plants

Blood pressure is defined as the force with which blood

  1. Comes out of the atrium

  2. Is pushed to the legs

  3. Pushes against wall of blood vessels

  4. Comes out of the ventricle
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The force with which the blood pushes against the walls of the blood vessels, usually arteries, is known as the blood pressure. It is described in the unit mm Hg. The normal diastolic and systolic pressure of the adult human heart is 120 mm Hg and 80 mm Hg, respectively.

Thus, the correct answer is 'Pushes against wall of blood vessels.'

Multiple choice biology human body and organ system blood pressure circulatory system transportation in animal and plants

Which of the following statements is incorrect ? 

  1. Mammals have the ability to produce concentrated urine.

  2. Counter current is due to the flow of filtrate in two limbs of Henle's Loop in opposite direction.

  3. Henle's loop and vasa recta play a significant role in concentrating the urine.

  4. Flow of fitrate through vasa recta also follow the counter current pattern.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Flow of blood through vasa recta follows counter current pattern. Filtrate flows through loop of Henle.

Multiple choice biology human body and organ system blood pressure circulatory system transportation in animal and plants

The reabsorption of the sodium from glomerular filtrate is regulated by the hormone _____________.

  1. Glucagon

  2. Secretin

  3. Aldosterone

  4. Adrenaline
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Aldosterone is secreted by the outer layer of the adrenal gland. When aldosterone is present in the blood, all the $Na^{+}$ in the filtrate is reabsorbed b the epithelial cells of DCT and collecting duct. Retaining $Na{+}$ raises the osmotic pressure of the blood and reduces water loss from the body. 

Multiple choice biology life processes blood pressure circulatory system transportation in animal and plants

Normal systolic and diastolic value of blood pressure is

  1. 80/120 mm Hg

  2. 80/40 mm Hg

  3. 140/80 mm Hg

  4. 120/80 mm Hg
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A) Blood pressure is always read as systolic/diastolic pressure. Systolic pressure is 120 mm Hg while diastolic pressure is 80 mm Hg.

B) The systolic pressure is 120 mm Hg while diastolic pressure is 80 mm Hg.
C) Systolic pressure is 120 mm Hg.
D) 120 mm Hg here, represents the systolic pressure and 80 mm Hg represents the diastolic pressure.
So the correct answer is '120/80 mm Hg'.

Multiple choice biology life processes blood pressure circulatory system transportation in animal and plants

Excess of Na++ ions in human system causes____________________

  1. Diabetes

  2. <span>Anemia</span>

  3. <span>Low blood pressure</span>

  4. High blood pressure
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

  • The increasing of the concentration of Sodium ions in blood would attract water from the surrounding issues, because of the osmotic pressure.
The increasing of the total volume of blood makes the blood pressure higher.
Hence,

Option $D$ is the correct answer.

Multiple choice biology human body and organ system blood pressure circulatory system transportation in animal and plants

Which of the following figure illustrates the systolic and diastolic pressure?

  1. 120 mm Hg

  2. 80 mm Hg

  3. 120 mm Hg and 80 mm Hg respectively

  4. 80 mm Hg and 120 mm Hg respectively
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The diastole phase is the phase of relaxation where the chambers of the heart relax and blood fills into the respective chambers. The systolic phase is the phase of contraction. The normal systolic pressure is about 120 mm Hg & diastole pressure is 80 mm Hg.

So, the correct answer is option C.

Multiple choice biology human body and organ system blood pressure circulatory system transportation in animal and plants

Cardiac systole is the .......... cardiac muscle in response to an electrochemical stimulus to the heart's cell. 

  1. Relaxation

  2. Contraction

  3. Both A and B

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The diastole phase is the phase of relaxation where the chambers of the heart relax and blood fills into the respective chambers. The systolic phase is the phase of contraction. The normal systolic pressure is about 120 mm Hg & diastole pressure is 80 mm Hg. So, the correct answer is option B.