Question 1

Which of the following diseases is caused by a virus?
A) strep throat
B) tuberculosis
C) chicken pox
D) gonorrhea
E) syphilis

Accepted Answer

Chicken pox is caused by the Varicella zoster virus.

Question 2

What do eukaryotes have that prokaryotes do not?
A) ribosomes
B) enzymes
C) nucleus
D) DNA
E) cell membrane

Accepted Answer

Prokaryotic cells do not have a nucleus or other organelles.

Question 3

All bacteria are pathogens.

Accepted Answer

Many bacteria are beneficial to humans and do not cause disease.

Question 4

A prion consists of
A) DNA only.
B) protein only.
C) RNA only.
D) DNA plus protein.
E) DNA, RNA, and protein.

Accepted Answer

A prion is a proteinaceous infectious particle, composed only of protein.

Question 5

The physician prescribed methicillin for Melissa's Staphylococcus infection.He explained to Melissa that certain bacteria such as the Gram positive forms are more sensitive to the "cillin" based drugs.The mode of action of the drug is to
A) inhibit ribosomal activity.
B) interfere with the production of the bacterial cell wall.
C) denature bacterial DNA.
D) speed up bacterial metabolism.
E) punch a hole in the cell membrane.

Accepted Answer

Methicillin and other "cillin" drugs are used against certain bacteria because they interfere with the production of the cell wall.

Question 6

A virus does not contain ribosomes.

Accepted Answer

Viruses depend on the host cell to provide ribosomes for protein translation.

Question 7

In what way are lymphatic vessels unlike veins in the cardiovascular system?
A) one-way system
B) contain valves
C) take up excess tissue fluid
D) dependent upon skeletal muscle contraction

Accepted Answer

Veins in the cardiovascular system do not take up excess tissue fluid.

Question 8

Where does the lymphatic system empty into the cardiovascular system?
A) tonsils
B) axillary lymph nodes
C) inguinal lymph nodes
D) thymus
E) the right lymphatic duct

Accepted Answer

The right lymphatic duct returns lymph into the right subclavian vein.

Question 9

Which of the lymphatic organs is also part of the skeletal system?
A) spleen
B) thymus
C) tonsils
D) red marrow
E) lymph nodes

Accepted Answer

The red bone marrow is the site for the origin of all types of blood cells.

Question 10

Choose the following statement that does not describe viruses.
A) They contain a protein coat called a capsid.
B) They may contain genomic DNA or RNA.
C) They are acellular.
D) They are obligate intracellular parasites.
E) They grow and develop.

Accepted Answer

Viruses do not grow and develop.

Question 11

What exist in some bacteria to prevent them from being destroyed by phagocytic white blood cells?
A) pili
B) fimbrae
C) flagella
D) plasmids
E) capsules

Accepted Answer

Capsules exist in some bacteria and prevent them from being destroyed by phagocytic white blood cells.

Question 12

Which of the following contributes to the ability of a bacterium to resist antibiotics?
A) capsule
B) nucleoid
C) plasmid
D) fimbriae
E) flagellum

Accepted Answer

A plasmid often carries resistance genes for antibiotics.

Question 13

What are organisms that are capable of causing disease called?
A) symbionts
B) teratogens
C) carcinogens
D) mutagens
E) pathogens

Accepted Answer

Pathogens are organisms such as viruses and bacteria that are capable of causing disease.

Question 14

From the outside moving in,what is the first structure of a bacterium encountered?
A) cell wall
B) capsule
C) cell membrane
D) cytoplasm
E) nucleoid

Accepted Answer

The capsule is on the outside of the bacterium.

Question 15

What is the name of the lymphatic vessels located in the small intestines?
A) tonsils
B) nodes
C) polyps
D) adenoids
E) lacteals

Accepted Answer

Lymphatic capillaries called lacteals are located in the small intestines.

Question 16

Which of the following is not a beneficial contribution of bacteria to humans?
A) decomposers in the environment
B) important in the wine, cheese and bread industry
C) useful in biotechnology
D) symbionts in the digestive tract
E) disease-causing agents

Accepted Answer

Bacteria can cause disease in humans and other organisms, thereby harming humans.

Question 17

A bacterium that is shaped like a basketball would be called a
A) coccus.
B) bacillus.
C) spirillus.

Accepted Answer

Cocci are spherical in shape.

Question 18

Which of the following is not a lymphatic organ?
A) spleen
B) tonsil
C) thymus
D) liver
E) red bone marrow

Accepted Answer

The liver is not a lymphatic organ.

Question 19

Which of the following is not one of the functions of the lymphatic system?
A) take up excess tissue fluid, return it to the bloodstream
B) absorb fats in the intestines
C) help the body defend against disease
D) production, maintenance ,and distribution of lymphocytes
E) calcium homeostasis

Accepted Answer

The lymphatic system is not responsible for calcium homeostasis.

Question 20

Prions cause degenerative diseases of what system?
A) cardiovascular
B) digestive
C) urinary
D) lymphatic
E) nervous

Accepted Answer

Prions cause degenerative diseases of the nervous system called spongiform encephalopathies.

Quiz 7: Lymphatic System and Immunity

Which of the following diseases is caused by a virus?

What do eukaryotes have that prokaryotes do not?

All bacteria are pathogens.

A prion consists of

The physician prescribed methicillin for Melissa's Staphylococcus infection.He explained to Melissa that certain bacteria such as the Gram positive forms are more sensitive to the "cillin" based drugs.The mode of action of the drug is to

A virus does not contain ribosomes.

In what way are lymphatic vessels unlike veins in the cardiovascular system?

Where does the lymphatic system empty into the cardiovascular system?

Which of the lymphatic organs is also part of the skeletal system?

Choose the following statement that does not describe viruses.

What exist in some bacteria to prevent them from being destroyed by phagocytic white blood cells?

Which of the following contributes to the ability of a bacterium to resist antibiotics?

What are organisms that are capable of causing disease called?

From the outside moving in,what is the first structure of a bacterium encountered?

What is the name of the lymphatic vessels located in the small intestines?

Which of the following is not a beneficial contribution of bacteria to humans?

A bacterium that is shaped like a basketball would be called a

Which of the following is not a lymphatic organ?

Which of the following is not one of the functions of the lymphatic system?

Prions cause degenerative diseases of what system?