Read the following statements and choose
Question: Read the following statements and choose the correct option Statement 1: Atria receive blood from all parts of the body which subsequently flows to ventricles. Statement 2: Action potential generated at the sino-atrial node passes from atria to ventricles. a. Action mentioned in Statement 1 is dependent on action mentioned in Statement 2 b. Action mentioned in Statement 2 is dependent on action mentioned in Statement 1 c. Action mentioned in Statements 1 and 2 is independent of each ot...
Read More →Match the terms given under Column ‘A’
Question: Match the terms given under Column A with their functions given under Column B and select the answer from the options given below: Options: a. A-ii, B-i, C-iii, D-iv b. A-iii, B-i, C-iv, D-ii c. A-iii, B-i, C-iii, D-iv d. A-ii, B-i, C-iii, D-iv Solution: Option (b) A-iii, B-i, C-iv, D-iiis the answer....
Read More →Differentiate the following with respect to x:
Question: Differentiate the following with respect to x: $\cos ^{2}\left(x^{3}\right)$ Solution: To Find: Differentiation NOTE : When 2 functions are in the product then we used product rule i.e $\frac{\mathrm{d}(\mathrm{u}, \mathrm{v})}{\mathrm{dx}}=\mathrm{V} \frac{\mathrm{du}}{\mathrm{dx}}+\mathrm{u} \frac{\mathrm{dv}}{\mathrm{dx}}$ Formula used: $\frac{d}{d x}\left(\cos ^{a} n u\right)=a \cos ^{a}-1^{n} n \frac{d}{d x}(\cos n u) \frac{d}{d x}(n u)$ Let us take $y=\cos ^{2}\left(x^{3}\right)$...
Read More →What would be the cardiac output of a person
Question: What would be the cardiac output of a person having 72 heartbeats per minute and a stroke volume of 50 ml? a. 360 mL b. 3600 mL c. 7200 mL d. 5000 mL Solution: Option (b)3600 mL is the answer....
Read More →Which of the following statements is incorrect?
Question: Which of the following statements is incorrect? a. A person of O blood group has anti A and anti B antibodies in his blood plasma. b. A person of B blood group cant donate blood to a person of A blood group. c. Blood group is designated based on the presence of antibodies in the blood plasma. d. A person of the AB blood group is a universal recipient. Solution: Option (c)Blood group is designated based on the presence of antibodies in the blood plasma is the answer....
Read More →Differentiate the following with respect to x:
Question: Differentiate the following with respect to x: $\sin ^{2}(2 x+3)$ Solution: To Find: Differentiation NOTE : When 2 functions are in the product then we used product rule i.e $\frac{d(u, v)}{d x}=v \frac{d u}{d x}+u \frac{d v}{d x}$ Formula used: $\frac{d}{d x} \sin ^{2}(a x+b)=2 \sin (a x+b) \frac{d}{d x} \sin (a x+b) \frac{d}{d x}(a x+b)$ Let us take $y=\sin ^{2}(2 x+3)$ So, by using above formula, we have $\frac{d}{d x} \sin ^{2}(2 x+3)=2 \sin (2 x+3) \frac{d}{d x} \sin (2 x+3) \frac...
Read More →Which of the following correctly explains
Question: Which of the following correctly explains a phase/ event in the cardiac cycle in a standard electrocardiogram? a. QRS complex indicates atrial contraction. b. QRS complex indicates ventricular contraction. c. The time between S and T represents atrial systole. d. P-wave indicates the beginning of ventricular contraction. Solution: Option (b) QRS complex indicates ventricular contraction is the answer....
Read More →The second heart sound (dubb)
Question: The second heart sound (dubb) is associated with the closure of a. Tricuspid valve b. Semilunar valves c. Bicuspid valve d. Tricuspid and bicuspid valves. Solution: Option (b)Tricuspid and bicuspid valvesis the answer....
Read More →The cells involved in inflammatory reactions are
Question: The cells involved in inflammatory reactions are a. Basophils b. Neutrophils c. Eosinophils d. Lymphocytes Solution: Option (d)Lymphocytesis the answer....
Read More →Differentiate the following with respect to x:
Question: Differentiate the following with respect to x: $\frac{1}{\left(x^{2}-x+3\right)^{3}}$ Solution: To Find: Differentiation NOTE : When 2 functions are in the product then we used product rule i.e $\frac{d(u \cdot v)}{d x}=v \frac{d u}{d x}+u \frac{d v}{d x}$ Formula used: $\frac{d}{d x}\left(y^{n}\right)=n y^{n-1} \times \frac{d y}{d x}$ Let us take $y=\frac{1}{\left(x^{2}-x+3\right)^{3}}=\left(x^{2}-x+3\right)^{-3}$ So, by using the above formula, we have $\frac{d}{d x}\left(x^{2}-x+3\r...
Read More →The cardiac impulse is initiated and conducted further
Question: The cardiac impulse is initiated and conducted further up to ventricle. The correct sequence of conduction of impulse is a. S A Node A V Node Purkinje fibre A V Bundle b. S A Node Purkinje fibre A V Node A V Bundle c. S A Node A V Node A V Bundle Purkinje fibre d. S A Node Purkinje fibre A V Bundle A V Node Solution: Option (c)S A Node A V Node A V Bundle Purkinje fibre is the answer....
Read More →Evaluate the following integrals:
Question: Evaluate the following integrals: $\int \sec x \log (\sec x+\tan x) d x$ Solution: Assume $\log (\sec x+\tan x)=t$ $d(\log (\sec x+\tan x))=d t$ (use chain rule to differentiate first differentiate $\log (\sec x+\tan x)$ then $(\sec x+\tan x)$ $\Rightarrow \frac{\sec x \tan x+\sec ^{2} x}{\sec x+\tan x} d x=d t$ $\Rightarrow \frac{\sec x(\tan x+\sec x)}{\sec x+\tan x} d x=d t$ $\Rightarrow \sec x d x=d t$ Put $\mathrm{t}$ and $\mathrm{dt}$ in given equation we get Substituting the valu...
Read More →Which one of the following blood cells
Question: Which one of the following blood cells are involved in antibody production? a. B-Lymphocytes b. T-Lymphocytes c. RBC d. Neutrophils Solution: Option (a)B-Lymphocytes is the answer....
Read More →Which one of the following types of cells
Question: Which one of the following types of cells lacks nucleus in humans? a. Erythrocytes b. Neutrophils c. Eosinophils d. Monocytes Solution: Option (a)Erythrocytes and (d)Monocytes are the answers....
Read More →Differentiate the following with respect to x:
Question: Differentiate the following with respect to x: $\left(a x^{2}+b x+c\right)$ Solution: To Find: Differentiation NOTE : When 2 functions are in the product then we used product rule i.e $\frac{d(u \cdot v)}{d x}=v \frac{d u}{d x}+u \frac{d v}{d x}$ Formula used: $\frac{d}{d x}\left(y^{n}\right)=n y^{n-1} \times \frac{d y}{d x}$ So, by using the above formula, we have $\frac{d}{d x}\left(a x^{2}+b x+c\right)=2 a x+b$ Differentiation of $y=\left(a x^{2}+b x+c\right)$ is $2 a x+b$...
Read More →Evaluate the following integrals:
Question: Evaluate the following integrals: $\int \cot x \log \sin x d x$ Solution: Assume $\log (\sin x)=t$ $d(\log (\sin x))=d t$ $\Rightarrow \frac{\cos x}{\sin x} d x=d t$ $\Rightarrow \cot x d x=d t$ Substituting the values oft and dt we get $\Rightarrow \int \mathrm{tdt}$ $\Rightarrow \frac{\mathrm{t}^{2}}{2}+\mathrm{c}$ But $t=\log (\sin x)$ $\Rightarrow \frac{\log (\sin x)^{2} x}{2}+c$...
Read More →ECG depicts the depolarisation and repolarisation
Question: ECG depicts the depolarisation and repolarisation processes during the cardiac cycle. In the ECG of a normal healthy individual one of the following waves is not represented. a. Depolarisation of atria b. Repolarisation of atria c. Depolarisation of ventricles d. Repolarisation of ventricles Solution: Option (b) Repolarisation of atria is the answer....
Read More →Mark the pair of substances among
Question: Mark the pair of substances among the following which is essential for coagulation of blood. a. Heparin and calcium ions b. Calcium ions and platelet factors c. Oxalates and citrates d. Platelet factors and heparin Solution: Option (b)Calcium ions and platelet factors is the answer....
Read More →The cardiac activity could be moderated
Question: The cardiac activity could be moderated by the autonomous neural system. Tick the correct answer: a. The parasympathetic system stimulates the heart rate and stroke volume b. The sympathetic system stimulates the heart rate and stroke volume c. The parasympathetic system decreases the heart rate but increases stroke volume d. The sympathetic system decreases the heart rate but increases stroke volume Solution: Option (b)The sympathetic system stimulates the heart rate and stroke volume...
Read More →Evaluate the following integrals:
Question: Evaluate the following integrals: $\int \frac{\sin x}{(1+\cos x)^{2}} d x$ Solution: Assume $1+\cos x=t$ $\Rightarrow d(1+\cos x)=d t$ $\Rightarrow-\sin x \cdot d x=d t$ Substituting the values oft and dt we get $\Rightarrow-\int \frac{\mathrm{dt}}{\mathrm{t}^{2}}$ $\Rightarrow-\int \frac{1}{\mathrm{t}^{2}} \mathrm{dt}$ $\Rightarrow-\int \mathrm{t}^{-2} \cdot \mathrm{dt}$ $\Rightarrow \frac{t^{-1}}{1}+c$ But $t=1+\cos x$ $\Rightarrow \frac{+1}{1+\cos x}+C$...
Read More →Which among the followings is correct
Question: Which among the followings is correct during each cardiac cycle? a. The volume of blood pumped out by the Rt and Lt ventricles is same. b. The volume of blood pumped out by the Rt and Lt ventricles is different c. The volume of blood received by each atrium is different d. The volume of blood received by the aorta and pulmonary artery is different Solution: Option (a)The volume of blood pumped out by the Rt and Lt ventricles is sameis the answer....
Read More →Differentiate the following with respect to x:
Question: Differentiate the following with respect to x: $\left(3 x^{2}-x+1\right)^{4}$ Solution: To Find: Differentiation NOTE : When 2 functions are in the product then we used product rule i.e $\frac{d(u, v)}{d x}=v \frac{d u}{d x}+u \frac{d v}{d x}$ Formula used: $\frac{d}{d x}\left(y^{n}\right)=n y^{n-1} \times \frac{d y}{d x}$ Let us take $y=\left(3 x^{2}-x+1\right)^{4}$ So, by using the above formula, we have $\frac{d}{d x}\left(3 x^{2}-x+1\right)^{4}=4\left(3 x^{2}-x+1\right)^{3} \times ...
Read More →One of the common symptoms observed in people infected
Question: One of the common symptoms observed in people infected with Dengue fever is a. Significant decrease in RBC count b. Significant decrease in WBC count c. Significant decrease in platelets count d. Significant increase in platelets count Solution: Option (c)Significant decrease in platelets countis the answer....
Read More →Which of the following cells does not exhibit
Question: Which of the following cells does not exhibit phagocytosis activity? a. Monocyte b. Neutrophil c. Basophil d. Macrophage Solution: Option (c)Basophilis the answer....
Read More →Evaluate the following integrals:
Question: Evaluate the following integrals: $\int \frac{\log x^{2}}{x} d x$ Solution: Assume $\log x=t$ $\Rightarrow \mathrm{d}(\log \mathrm{x})=\mathrm{dt}$ $\Rightarrow \frac{1}{\mathrm{x}} \mathrm{dx}=\mathrm{dt}$ Substituting the values oft and dt we get $\Rightarrow \int \mathrm{t}^{2} \mathrm{dt}$ $\Rightarrow \frac{\mathrm{t}^{3}}{3}+\mathrm{c}$ But $t=\log x$ $\Rightarrow \frac{\log ^{3} x}{3}+c$...
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