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Body Fluids And Circulation

251 Questions Start Allen Test
All Exams Allen
Q226 Allen 8. ANALYTICAL QUESTIONS MCQ
Life span of RBC is :
A.
50 days
B.
70 days
C.
120 days
D.
220 days
Q227 Allen 8. ANALYTICAL QUESTIONS MCQ
During blood clotting which of the following is used
A.
Co
B.
Ca⁺⁺
C.
Na⁺
D.
$c{{l}^{-}}$
Q228 Allen 8. ANALYTICAL QUESTIONS MCQ
The fibers that conduct the impulse to the ventricles are known as the :-
A.
SA node
B.
AV bundle
C.
Right bundle branch
D.
Purkinje fibers
Q229 Allen 8. ANALYTICAL QUESTIONS MCQ
Which of the following does not play a role in blood coagulation ?
A.
Vitamin K
B.
Vitamin D
C.
Calcium ions
D.
Fibrinogen
Q230 Allen 8. ANALYTICAL QUESTIONS MCQ
The cardiac output of a person is 4.2 lit/minute and pulse rate is 60/minute. Calculate the stroke volume :
A.
70 ml
B.
90 ml
C.
3.80 ml
D.
100 ml
Q231 Allen 8. ANALYTICAL QUESTIONS MCQ
Read the following statements and choose which are not correct -
(a) Plasma has 90 - 92% water & 6 - 8% proteins. (b) Erythrocytes are called as formed elements & constitute 55% of blood. (c) Granulocytes include basophil, neutrophil & monocyte. (d) Reduction in number of platelets may cause excessive blood loss. Choose the correct answer from options given below :
A.
a and b
B.
b and c
C.
c and d
D.
b, c and d
Q232 Allen 8. ANALYTICAL QUESTIONS MCQ
Cardiac output :-
A.
Stroke volume x heart rate
B.
Stroke volume x end systolic volume
C.
Heart rate x end systolic volume
D.
End diastolic volume x End systolic volume
Q233 Allen 8. ANALYTICAL QUESTIONS MCQ
Which of the following waves of ECG represent Repolarization?
A.
P wave
B.
QRS complex
C.
RS wave
D.
T wave
Q234 Allen 8. ANALYTICAL QUESTIONS MCQ
Choose the option which has all correct statements related to ECG -
(a) QRS complex represents polarisation of ventricles (b) ECG is graphical representation of electrical activity of heart (c) T-wave represent end of diastole & repolarisation (d) Number of QRS complexes is equal to number of heart beat of an individual.
A.
a, b and d
B.
b, c and d
C.
b and c
D.
b and d
Q235 Allen 8. ANALYTICAL QUESTIONS MCQ
The hepatic portal system is :-
A.
Between digestive tract and hypothalamus
B.
Between digestive tract and liver
C.
Between liver and hypothalamus
D.
Between liver and Pituitary
Q236 Allen 8. ANALYTICAL QUESTIONS MCQ
The hormonal regulation of Cardiac output is:
A.
Mediated by adrenal cortex
B.
Mediated by adrenal medulla
C.
Mediated by thyroid
D.
Mediated by pineal
Q237 Allen 8. ANALYTICAL QUESTIONS MCQ
Given below are two statements: Statement-I : Cardiac output is blood volume pumped by each ventricle per minute. Statement-II : Body has the ability to alter heart rate but not stroke volume. In the light of the above statements, choose the most appropriate answer from the options given below:
A.
Both Statement-I and II both are incorrect.
B.
Statement-I is correct but statement-Il is incorrect.
C.
Statement-I is incorrect and Statement-Il is correct.
D.
Both Statement-I and Statement-II are correct.
Q238 Allen 8. ANALYTICAL QUESTIONS MCQ
Given below are two statements: Statement-I : Sympathetic nervous system can increase the strength of ventricular contraction & cardiac output also. Statement-II : Adrenal medullary hormones can decrease the cardiac output. In the light of the above statements, choose the most appropriate answer from the options given below:
A.
Both Statement-I and II both are incorrect.
B.
Statement-I is correct but statement-Il is incorrect.
C.
Statement-I is incorrect and Statement-Il is correct.
D.
Both Statement-I and Statement-II are correct.
Q239 Allen 8. ANALYTICAL QUESTIONS Match the Columns
Match the Column-I with Column-II :
Column-IColumn-II
(A)Bicuspid valve
(B)Nephron
(C)Alveoli
(D)Cerebrum
(P)Brain
(Q)Liver
(R)Heart
(S)Kidney
(T)Lungs
A.
A-S, B-R, C-P, D-T
B.
A-R, B-T, C-S, D-P
C.
A-R, B-S, C-T, D-P
D.
A-S, B-Q, C-P, D-T
Q240 Allen 8. ANALYTICAL QUESTIONS MCQ
Vasoconstriction causes
A.
Increase in heart beat
B.
Decrease in heart beat
C.
Increase in blood pressure
D.
Decrease in blood pressure
Q241 Allen 8. ANALYTICAL QUESTIONS MCQ
Given below are two statements: Statement-I : Lymph is derived from blood vascular system & again drain back to the blood. Statement-II : Lymph is important carrier for nutrients, hormones & fatty acid etc. In the light of the above statements, choose the most appropriate answer from the options given below:
A.
Both Statement-I and II both are incorrect.
B.
Statement-I is correct but statement-Il is incorrect.
C.
Statement-I is incorrect and Statement-Il is correct.
D.
Both Statement-I and Statement-II are correct.
Q242 Allen 8. ANALYTICAL QUESTIONS MCQ
Which one of the following mammalian cells is not capable of metabolising glucose to carbon-dioxide aerobically ?
A.
Red blood cells
B.
White blood cells
C.
Unstriated muscle cells
D.
Liver cells
Q243 Allen 8. ANALYTICAL QUESTIONS MCQ
A drop of each of the following, is placed separately on four slides. Which of them will not coagulate?
A.
Whole blood from pulmonary vein
B.
Blood plasma
C.
Blood serum
D.
Sample from the thoracic duct of lymphatic system
Q244 Allen 8. ANALYTICAL QUESTIONS MCQ
Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin ?
A.
Eosinophils
B.
Monocytes
C.
Neutrophils
D.
Basophils
Q245 Allen 8. ANALYTICAL QUESTIONS MCQ
In humans, blood passes from the post caval to the diastolic right atrium of heart due to :-
A.
stimulation of the sino auricular node
B.
pressure difference between the post caval and atrium
C.
pushing open of the venous valves
D.
suction pull
Q246 Allen 8. ANALYTICAL QUESTIONS MCQ
The most active phagocytic white blood cells are:-
A.
Eosinophils and lymphocytes
B.
Neutrophils and monocytes
C.
Neutrophils and eosinophils
D.
Lymphocytes and macrophages
Q247 Allen 8. ANALYTICAL QUESTIONS MCQ
The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because "O" in it refers to having:-
A.
No antigens A and B on RBCs
B.
Other antigens besides A and B on RBCs
C.
Over dominance of this type on the genes for A and B types
D.
One antibody only - either anti-A or anti-B on the RBCs
Q248 Allen 8. ANALYTICAL QUESTIONS MCQ
The letter T in T-lymphocyte refers to :-
A.
Thymus
B.
Thyroid
C.
Thalamus
D.
Tonsil
Q249 Allen 8. ANALYTICAL QUESTIONS MCQ
Compared to blood our lymph has :-
A.
More RBCs and less WBCs
B.
No plasma
C.
Plasma without proteins
D.
More WBCs and no RBCs
Q250 Allen 8. ANALYTICAL QUESTIONS MCQ
Figure shows schematic plan of blood circulation in humans with labels A to D, Identify the label and give its function/s.
A.
D-Dorsal aorta-takes blood from heart to body parts, ${ \mathsf { P O } } _ { 2 } = 9 5$ mm Hg
B.
A-Pulmonary vein-takes impure blood from body parts, $\mathsf { P O } _ { 2 } = 6 0$ mm Hg
C.
B-Pulmonary artery-takes blood from heart to lungs, ${ \mathsf { P O } } _ { 2 } = 9 0$ mm Hg
D.
C-Vena Cava-takes blood from body parts to the right auricle, PCO₂ = 45mm Hg