Quiz 1

Instructions:

Read each question carefully before answering.
For Multiple Choice Questions, select the best answer by choosing A, B, C, or D.
For True/False Questions, indicate whether the statement is True or False.
For Fill-in-the-Blank Questions, write the most accurate word or phrase to complete the sentence.
Take your time to reflect on the concepts and review your answers if needed.

Key Concepts in Nanotechnology

What is the primary focus of nanotechnology? *

Manipulating materials at the bulk level

Manipulating atoms and molecules at the nanoscale

Observing chemical properties in larger systems

Enhancing gravitational physics at small scales

What is the range of the nanoscale? *

10 to 100 meters

1 to 10 micrometers

1 to 100 nanometers

0.1 to 10 millimeters

At the nanoscale, traditional rules of physics and chemistry often change due to quantum mechanical effects. *

True

False

Nanotechnology applications in medicine can improve the precision of drug delivery systems. *

True

False

Historical Background of Nanotechnology

The concept of nanotechnology was first proposed by physicist __________ in his 1959 lecture, "There's Plenty of Room at the Bottom." *

The concept of nanotechnology was first proposed by physicist in his 1959 lecture, “There’s Plenty of Room at the Bottom.”

A major breakthrough in nanotechnology occurred in the 1980s with the invention of the __________ microscope, which enabled scientists to observe and manipulate individual atoms. *

A major breakthrough in nanotechnology occurred in the 1980s with the invention of the microscope, which enabled scientists to observe and manipulate individual atoms.

Why was the scanning tunneling microscope (STM) significant in the development of nanotechnology? *

It enabled the manipulation and observation of individual atoms.

It allowed the study of molecules under a microscope.

It created larger-scale nanomaterials for industrial use.

It helped develop magnetic resonance imaging (MRI) systems.

Applications of Nanotechnology

Nanoscale transistors and sensors cannot be applied in medical imaging systems. *

True

False

In medicine, nanoparticles can deliver drugs to specific cells or tissues, helping to minimize __________ and improve treatment effectiveness. *

In medicine, nanoparticles can deliver drugs to specific cells or tissues, helping to minimize and improve treatment effectiveness.

Nanotechnology can enhance the electrical conductivity and strength of materials at the nanoscale. *

True

False

__________ nanoparticles are being explored for cancer therapy, as they can target tumors while reducing damage to healthy tissues. *

nanoparticles are being explored for cancer therapy, as they can target tumors while reducing damage to healthy tissues.

Real-World Examples and Case Study

Why are gold nanoparticles being studied for cancer therapy? *

They can change the color of tissues.

They strengthen surrounding tissues to protect tumors.

They can deliver drugs directly to cancer cells using targeting molecules.

They reduce tumor size through magnetic fields.

Which of the following is a critical challenge in drug delivery for neurosurgery? *

Ensuring the drug remains in the bloodstream

Delivering drugs across the blood-brain barrier

Increasing thermal conductivity in brain tissues

Identifying larger tumors for treatment

Nanoparticles can improve treatment precision by targeting specific cells or tissues. *

True

False

Nanotechnology does not play any role in developing surgical tools. *

True

False