Biomedical Engineering Gate 2022 Questions with Answer

Ques 1 Gate 2022


You should _________ when to say _________.

A

no / no

B

no / know

C

know / know

D

know / no


(d) is the correct answer.

Ques 2 Gate 2022


Two straight lines pass through the origin (x0, y0) = (0,0). One of them passes through the point (x1, y1) = (1,3) and the other passes through the point (x2, y2) = (1,2).
What is the area enclosed between the straight lines in the interval [0, 1] on the x-axis?

A

0.5

B

1.0

C

1.5

D

2.0


(a) is the correct answer.

Ques 3 Gate 2022


If
p ∶ q = 1 ∶ 2
q ∶ r = 4 ∶ 3
r ∶ s = 4 ∶ 5
and u is 50% more than s, what is the ratio p ∶ u?

A

2 ∶ 15

B

16 ∶ 15

C

1: 5

D

16: 45


(d) is the correct answer.

Ques 4 Gate 2022


Given the statements:

  • P is the sister of Q.
  • Q is the husband of R.
  • R is the mother of S.
  • T is the husband of P.
Based on the above information, T is ______ of S.

A

the grandfather

B

an uncle

C

the father

D

a brother


(b) is the correct answer.

Ques 5 Gate 2022


Healthy eating is a critical component of healthy aging. When should one start eating healthy? It turns out that it is never too early. For example, babies who start eating healthy in the first year are more likely to have better overall health as they get older.
Which one of the following is the CORRECT logical inference based on the information in the above passage?

A

Healthy eating is important for those with good health conditions, but not for others

B

Eating healthy can be started at any age, earlier the better

C

Eating healthy and better overall health are more correlated at a young age, but not older age

D

Healthy eating is more important for adults than kids


(b) is the correct answer.

Ques 6 GATE 2022


An ideal coronary stent should

A

be thromboresistant

B

promote accumulation of smooth muscle cells

C

be fatigue resistant

D

support deposition of extracellular matrix


(a, c) is the correct answer.

Ques 7 GATE 2022


Which of the following mechanical prosthetic valves were invented as a replacement for diseased heart valves?

A

Globe valve

B

Ball and cage valve

C

Bi-leaflet valve

D

Swing check valve


(b, c) is the correct answer.

Ques 8 GATE 2022


Based on the stress-strain curves of three different materials (X, Y, and Z) shown in the figure, which one of the following choices is CORRECT?

A

X - Titanium, Y - Hydroxyapatite, Z - Polyethylene

B

X - Hydroxyapatite, Y - Titanium, Z - Polyethylene

C

X - Hydroxyapatite, Y - Polyethylene, Z - Titanium

D

X - Polyethylene, Y - Titanium, Z - Hydroxyapatite


(b) is the correct answer.

Ques 9 GATE 2022


The deltoid muscle connects the humerus to the shoulder blade and facilitates out stretching of the arm as shown in the figure. The humerus is connected to the shoulder blade with a ball and socket joint. Assume the equivalent weight (W) of the arm to be 30 N and acts vertically down at a horizontal distance of 30 cm.
Assume that the deltoid muscle is connected to the humerus at a distance of 15 cm and makes an average angle of 20° with the horizontal. The magnitude of tension in the deltoid muscle is _______ N.

A

31.9

B

63.8

C

87.7

D

175.4


(d) is the correct answer.

Ques 10 GATE 2022


Backscattered electron detector of a scanning electron microscope is used to

A

study surface topography of the sample

B

quantify surface roughness

C

measure atomic number

D

contrast areas with different chemical compositions


(d) is the correct answer.

Ques 11 GATE 2022


In the process of obtaining a Magnetic Resonance Image (MRI), the terms T1 and T2 time constants of the material are very crucial to decide on getting suitable weighted images. Choose the correct explanation relating to these two constants from the following options.

A

T1 is the spin-lattice or longitudinal relaxation time, and T2 is the spin-spin or transverse relaxation time

B

T1 and T2 indicate the durations that Free Induction Decay (FID) signal to be recorded in x and y axes directions, respectively

C

T1 and T2 refer to the durations of flipping pulses used to tilt the resultant magnetic vector into x-y plane and inverse z-direction, respectively

D

T1 is the spin-spin or transverse relaxation time, and T2 is the spin-lattice or longitudinal relaxation time


(a) is the correct answer.

Ques 12 GATE 2022


Which of the following statements related to the safety of biomedical instruments are TRUE?

A

When a person is exposed to an electrical hazard, let-go current is defined as the maximum current at which the subject can withdraw voluntarily

B

Microshock is a physiological response resulting from an electrical current passing through heart

C

The patient in an intensive care unit is being exposed to the danger of microshock because of using internal conductive electrodes in the vicinity of the heart

D

The 50 Hz safe current limit for a microshock is greater than 50 mA


(a, b, c) is the correct answer.

Ques 13 GATE 2022


Which of the following statements related to the operating principle of pulse oximetry are CORRECT?

A

Pulse oximeter can non-invasively determine arterial oxygen saturation (SpO2) by analyzing the light transmitted through the skin during the systolic phase of the blood flow through the tissue

B

In a pulse oximeter, isosbestic wavelength is the wavelength at which Hb and HbO2 have same optical absorbance

C

Pulse oximeter can accurately determine the SpO2 of blood by computing the ratio of absorbances at 660 nm and 905 nm wavelengths

D

Pulse oximeter can accurately determine the SpO2 of blood by computing the ratio of absorbances at 850 nm and 950 nm wavelengths


(a, b, c) is the correct answer.

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