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Nursing Question Bank

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1265 available questions

Biology · Question 201

How many pairs of cranial nerves are conventionally recognised in humans?

  1. 24
  2. 31
  3. 12
  4. 10
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Correct answer: C

12

The twelve pairs are numbered I to XII.

Biology · Question 202

What is the specialised junction through which a neuron communicates with another cell?

  1. Nephron
  2. Alveolus
  3. Sarcomere
  4. Synapse
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Correct answer: D

Synapse

A synapse transfers a signal from a neuron to a target cell.

Biology · Question 203

The microscopic study of tissues is called:

  1. Histology
  2. Ecology
  3. Taxonomy
  4. Palaeontology
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Correct answer: A

Histology

Histology examines the microscopic organisation of tissues.

Biology · Question 204

The region of an enzyme that binds its substrate is the:

  1. Nucleolus
  2. Active site
  3. Centromere
  4. Anticodon
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Correct answer: B

Active site

The active site binds the substrate and supports catalysis.

Biology · Question 205

The flattened membrane sacs of the Golgi apparatus are called:

  1. Grana
  2. Chromatids
  3. Cisternae
  4. Cristae
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Correct answer: C

Cisternae

The Golgi apparatus is arranged as stacks of flattened cisternae.

Physics · Question 206

For two nonzero vectors of fixed magnitudes, their scalar product is greatest at which angle?

  1. 45 degrees
  2. 90 degrees
  3. 180 degrees
  4. 0 degrees
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Correct answer: D

0 degrees

A dot B equals AB cos(theta), which is greatest at zero degrees.

Physics · Question 207

A collision that conserves both total momentum and total kinetic energy is:

  1. Elastic
  2. Perfectly inelastic
  3. Always explosive
  4. Always stationary
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Correct answer: A

Elastic

An elastic collision conserves total kinetic energy as well as momentum in an isolated system.

Physics · Question 208

An ammeter is connected in which way to measure current through a circuit branch?

  1. Without electrical contact
  2. In series
  3. In parallel across the branch
  4. Across an open switch only
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Correct answer: B

In series

A series connection makes the branch current pass through the ammeter.

Physics · Question 209

For a parallel-plate capacitor, doubling plate area and halving separation changes capacitance to:

  1. Half its original value
  2. One quarter its original value
  3. Four times its original value
  4. Twice its original value
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Correct answer: C

Four times its original value

C = epsilon A/d; the changes multiply capacitance by 2 divided by 1/2, or 4.

Physics · Question 210

What is the net electric flux through a closed surface containing both charges of an electric dipole?

  1. Always positive
  2. Always negative
  3. Infinite
  4. Zero
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Correct answer: D

Zero

The enclosed charges sum to zero, so Gauss law gives zero net flux.