Bio Test 3

Question 1

What is drug discovery?

Answer 1

The process of identifying new candidate medications.

Question 2

True or False: All drugs are derived from synthetic compounds.

Answer 2

False

Question 3

Name one method used in drug discovery.

Answer 3

High-throughput screening

Question 4

What is a communicable disease?

Answer 4

A disease that can be transmitted from one individual to another.

Question 5

Fill in the blank: Antibiotics are used to treat __________ infections.

Answer 5

bacterial

Question 6

What is the role of plant tissues in drug discovery?

Answer 6

Plant tissues can be sources of natural compounds for drug development.

Question 7

Multiple Choice: Which of the following is a type of plant tissue? A) Xylem B) Neuron C) Muscle

Answer 7

A) Xylem

Question 8

What is the primary function of xylem tissue?

Answer 8

To transport water and minerals from roots to leaves.

Question 9

True or False: Viruses can be treated with antibiotics.

Answer 9

False

Question 10

What type of pathogen causes communicable diseases?

Answer 10

Bacteria, viruses, fungi, or parasites.

Question 11

What is the significance of clinical trials in drug discovery?

Answer 11

They test the safety and efficacy of new drugs in humans.

Question 12

Multiple Choice: Which of the following is NOT a communicable disease? A) Influenza B) Diabetes C) Tuberculosis

Answer 12

B) Diabetes

Question 13

What is the function of phloem tissue?

Answer 13

To transport sugars and nutrients throughout the plant.

Question 14

True or False: Drug discovery can only occur in laboratories.

Answer 14

False

Question 15

What is one common method for testing the effectiveness of a drug?

Answer 15

Randomized controlled trials

Question 16

Fill in the blank: __________ are organisms that can cause disease.

Answer 16

Pathogens

Question 17

What is the role of the immune system in combating communicable diseases?

Answer 17

To identify and destroy pathogens.

Question 18

Multiple Choice: Which of the following is a common symptom of communicable diseases? A) Fever B) Headache C) Both A and B

Answer 18

C) Both A and B

Question 19

What is a primary source of new drugs in drug discovery?

Answer 19

Natural products from plants and microorganisms.

Question 20

True or False: Vaccines are a method of preventing communicable diseases.

Answer 20

True

Question 21

What is the term for substances that stimulate the immune response?

Answer 21

Antigens

Question 22

Fill in the blank: The __________ is a network of tissues in plants that transports water.

Answer 22

vascular system

Question 23

What is one example of a viral communicable disease?

Answer 23

HIV/AIDS

Question 24

Multiple Choice: Which plant tissue is responsible for photosynthesis? A) Xylem B) Parenchyma C) Phloem

Answer 24

B) Parenchyma

Question 25

What is the importance of understanding plant tissues in drug discovery?

Answer 25

It helps in identifying potential medicinal compounds.

Question 26

What is drug discovery?

Answer 26

The process of identifying and developing new medications.

Question 27

True or False: Drug discovery only involves the synthesis of new compounds.

Answer 27

False

Question 28

Fill in the blank: The first step in drug discovery is ________.

Answer 28

target identification

Question 29

What are the three main phases of drug discovery?

Answer 29

Preclinical testing, clinical trials, and regulatory approval.

Question 30

Multiple choice: Which of the following is a method used in drug discovery? A) High-throughput screening B) Low-throughput screening C) Manual testing

Answer 30

A) High-throughput screening

Question 31

What role do clinical trials play in drug discovery?

Answer 31

They test the safety and efficacy of a drug in humans.

Question 32

True or False: All drugs must go through the same regulatory process.

Answer 32

True

Question 33

Fill in the blank: ________ is the process of testing a drug on animal models before human trials.

Answer 33

Preclinical testing

Question 34

What is the purpose of target identification?

Answer 34

To find a biological molecule that the drug will act upon.

Question 35

What is a lead compound?

Answer 35

A chemical compound that shows promise as a potential drug.

Question 36

True or False: Drug discovery can take over a decade.

Answer 36

True

Question 37

Fill in the blank: The ________ phase assesses the drug's safety in a small group of healthy volunteers.

Answer 37

Phase I

Question 38

What is a clinical trial?

Answer 38

A research study that tests how well a drug works in people.

Question 39

Multiple choice: What is one major reason drugs fail during clinical trials? A) Lack of funding B) Ineffective results C) Overproduction

Answer 39

B) Ineffective results

Question 40

What is the purpose of regulatory approval?

Answer 40

To ensure that a drug is safe and effective for public use.

Question 41

True or False: All drugs are required to undergo both preclinical and clinical testing.

Answer 41

True

Question 42

What is pharmacodynamics?

Answer 42

The study of how drugs affect the body.

Question 43

Multiple choice: Which of the following is NOT a stage of clinical trials? A) Phase II B) Phase IV C) Phase V

Answer 43

C) Phase V

Question 44

What is the significance of Phase IV trials?

Answer 44

They monitor the long-term effects and safety of a drug after it has been approved.

Question 45

True or False: Drug discovery is exclusively conducted by pharmaceutical companies.

Answer 45

False

Question 46

Fill in the blank: The ________ phase focuses on determining the drug's effectiveness in patients with the disease.

Answer 46

Phase II

Question 47

What are the main types of plant tissues?

Answer 47

The main types of plant tissues are meristematic tissue, permanent tissue, vascular tissue, and ground tissue.

Question 48

True or False: Meristematic tissues are responsible for the growth of plants.

Answer 48

True

Question 49

Fill in the blank: The primary function of xylem is to transport __________.

Answer 49

water and minerals

Question 50

What type of tissue is responsible for photosynthesis in plants?

Answer 50

Ground tissue, specifically parenchyma.

Question 51

Multiple choice: Which of the following is NOT a type of permanent tissue? A) Parenchyma B) Collenchyma C) Epidermis D) Phloem

Answer 51

D) Phloem

Question 52

What is the function of phloem in plants?

Answer 52

Phloem transports organic nutrients, particularly sugars, throughout the plant.

Question 53

What are the two main types of vascular tissue?

Answer 53

Xylem and phloem.

Question 54

Fill in the blank: The outer layer of a plant's stem is called the __________.

Answer 54

epidermis

Question 55

Multiple choice: Which tissue is primarily responsible for the transport of water? A) Phloem B) Xylem C) Parenchyma D) Sclerenchyma

Answer 55

B) Xylem

Question 56

What is the role of sclerenchyma cells in plants?

Answer 56

Sclerenchyma cells provide rigid support and strength to mature plant parts.

Question 57

True or False: All plant tissues are capable of photosynthesis.

Answer 57

False

Question 58

What type of meristematic tissue is found at the tips of roots and shoots?

Answer 58

Apical meristem.

Question 59

Fill in the blank: The tissue that forms the outer protective layer of the plant is called __________.

Answer 59

epidermis

Question 60

What is the main characteristic of meristematic tissue?

Answer 60

It consists of undifferentiated cells that can divide to form new cells.

Question 61

True or False: Xylem contains living cells at maturity.

Answer 61

False

Question 62

Fill in the blank: The tissue that connects and supports various parts of the plant is known as __________.

Answer 62

vascular tissue

Question 63

What is the main function of intercellular spaces in parenchyma tissue?

Answer 63

They allow for gas exchange and storage.

Question 64

Fill in the blank: The tissue responsible for conducting photosynthates is __________.

Answer 64

phloem