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Q. No.Arrange the following formed elements in the decreasing order of their abundance in blood in humans :
(a)
Platelets
(b)
Neutrophils
(c)
Erythrocytes
(d)
Eosinophils
(e)
Monocytes
Choose the most appropriate answer from the options given below:
1.
(c), (a), (b), (e), (d)
2.
(c), (b), (a), (e), (d)
3.
(d), (e), (b), (a), (c)
4.
(a), (c), (b), (d), (e)
Subtopic: Blood: White Blood Cells |
65%
Level 2: 60%+
NEET - 2022
Hints
Match column-I with column-II and select the correct option.
| Column-I | Column-II | ||
| (a) | Corvus | (i) | Single circulation |
| (b) | Aedes | (ii) | Open circulation |
| (c) | Calotes | (iii) | Double circulation |
| (d) | Scoliodon | (iv) | Incomplete double circulation |
| 1. | a(ii), b(iii), c(iv), d(i) |
| 2. | a(iii), b(i), c(iv), d(ii) |
| 3. | a(iii), b(ii), c(iv), d(i) |
| 4. | a(iii), b(ii), c(i), d(iv) |
Subtopic: Circulatory Pathways |
72%
Level 2: 60%+
Hints
Read the given statements carefully:
How many of the given statements are correct?
1. Three
2. Four
3. Two
4. One
| A. | RBCs are devoid of nucleus in most of the mammals and are biconvex in shape. |
| B. | Lymph has the same mineral distribution as that in plasma. |
| C. | By counting the number of QRS complexes in ECG that occur in a given time period, one can determine the heartbeat rate of an individual. |
| D. | Heart is an endodermally derived organ. |
1. Three
2. Four
3. Two
4. One
Subtopic: Human Heart: Gross Anatomy | ECG & Coronary Artery Disease | Lymph | Blood: General Description & RBC |
63%
Level 2: 60%+
Hints
| Assertion (A): | The walls of ventricles are much thicker than that of the atria. |
| Reason (R): | Ventricles pump blood to different organs and the pressure with which the blood flows through them is much more than the auricles. |
In the light of above statements, choose the correct option.
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A) |
| 3. | (A) is true but (R) is false |
| 4. | Both (A) and (R) are false |
Subtopic: Human Heart: Double Circulation |
86%
Level 1: 80%+
Hints
Match the formed elements in column I with their percent of total WBCs in column II and select the correct option:
| Column I | Column II | ||
| (a) | Eosinophils | (i) | 60-65% |
| (b) | Monocytes | (ii) | 0.5-1% |
| (c) | Basophils | (iii) | 6-8% |
| (d) | Neutrophils | (iv) | 2-3% |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (ii) | (i) |
| 2. | (i) | (ii) | (iii) | (iv) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iv) | (iii) | (i) | (ii) |
Subtopic: Blood: White Blood Cells | Blood: General Description & RBC |
82%
Level 1: 80%+
Hints
Read the given statements carefully.
Select the correct option.
| (a) | Congestion of lungs is one of the main symptoms of heart failure. |
| (b) | Each vein has an inner lining of cuboidal endothelium, called tunica intima. |
| (c) | The cardiac output of an athlete will be much lower than that of an ordinary man. |
| 1. | Only statements (a) and (b) are correct. |
| 2. | Only statements (a) and (c) are correct. |
| 3. | Only statement (c) is correct. |
| 4. | Only statements (b) and (c) are incorrect. |
Subtopic: Human Heart: Double Circulation | Human Heart: Cardiac Cycle |
60%
Level 2: 60%+
Hints
Read the given statements carefully.
How many of the given statements are correct?
1. Four
2. Three
3. Two
4. One
| (a) | The systemic circulation provides nutrients, CO2, and other essential substances to the tissues and takes O2 and other harmful substances away for elimination. |
| (b) | Heart of both humans and cockroach is myogenic. |
| (c) | Intestinal juice along with pancreatic juice is known as succus entericus. |
| (d) | The SAN can generate the maximum number of action potentials, i.e., 70-75 min–1 |
1. Four
2. Three
3. Two
4. One
Subtopic: Human Heart: Cardiac Cycle |
Level 3: 35%-60%
Hints
Read the given statements and select the correct option.
| Statement A: | Though the human heart is autoexcitable, its functions can be moderated by both neural and hormonal mechanisms. |
| Statement B: | Lymph is almost similar to blood except for the protein content and the formed elements. |
| 1. | Both Statement A and Statement B are correct |
| 2. | Both Statement A and Statement B are incorrect |
| 3. | Only Statement A is incorrect |
| 4. | Only Statement B is incorrect |
Subtopic: Lymph | Regulation of Cardiac Activity |
79%
Level 2: 60%+
Hints
Match Column-I with Column-II and select the correct option:
| Column-I | Column-II | ||
| a. | Atherosclerosis | (i) | Liver is affected |
| b. | Angina | (ii) | Feeling of nausea |
| c. | Jaundice | (iii) | Acute chest pain |
| d. | Vomiting | (iv) | Deposition of calcium, cholesterol, etc in arteries |
| 1. | a(iii), b(iv), c(i), d(ii) |
| 2. | a(iv), b(iii), c(ii), d(i) |
| 3. | a(iv), b(i), c(iii), d(ii) |
| 4. | a(iv), b(iii), c(i), d(ii) |
Subtopic: Atherosclerosis, Hypertension & Ventricular Fibrillation |
84%
Level 1: 80%+
Hints
Read the given statements and select the correct option:
1. Statements (a) and (b) are correct, (c) is incorrect
2. Only statement (c) is correct
3. Statements (b) and (c) are correct, (a) is incorrect
4. Only statement (a) is correct
| (a) | The volume of blood pumped out by the right and left ventricles is the same during each cardiac cycle. |
| (b) | A person whose blood group is O has both A and B antigens on his/her RBCs. |
| (c) | Blood normally contains 15,000-35,000 platelets mm-3 of blood. |
2. Only statement (c) is correct
3. Statements (b) and (c) are correct, (a) is incorrect
4. Only statement (a) is correct
Subtopic: Human Heart: Cardiac Cycle |
74%
Level 2: 60%+
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