Question 1

How is an adaptive defense initially primed?

Accepted Answer

A)  Upon exposure to a foreign antigen 
B)  Complement proteins identify a cell as foreign 
C)  Antibodies bind to surface markers of a foreign cell 
D)  By way of the clonal selection of effector cells

Question 2

The main role of the liver is to ________.

Accepted Answer

A)  absorb nutrients 
B)  absorb water 
C)  produce bile, which helps the process of digestion 
D)  break large food into smaller food bits

Question 3

What is the main role of red blood cells?

Accepted Answer

A)  Carry sugars 
B)  Carry oxygen 
C)  Fight off infections 
D)  Aid blood in clotting

Question 4

________ refers to how a body system functions,and ________ refers to the structure of a body part.

Accepted Answer

A)  Anatomy; physiology 
B)  Biology; zoology 
C)  Zoology; biology 
D)  Physiology; anatomy

Question 5

What is the role of the epithelium?

Accepted Answer

A)  Helps protect the body from the external environment 
B)  Transmits electrical signals throughout the body 
C)  Contracts to create body movement 
D)  Provides the padding between the joints

Question 6

What are hormones?

Accepted Answer

A)  They are carbohydrates on the surface of red blood cells that affect targeted cells throughout the body. 
B)  They are chemicals transported in the blood and affect all cells similarly. 
C)  They are chemicals transported in the blood and affect targeted cells throughout the body. 
D)  They are chemicals that affect cells right next to where they are produced.

Question 7

Form refers to ________,and function refers to ________.

Accepted Answer

A)  anatomical structure; physiological actions 
B)  anatomical structure; environmental actions 
C)  physiological actions; anatomical structure 
D)  physiological actions; environmental actions

Question 8

Which of the following statements about bones is false?

Accepted Answer

A)  Bones are dry and dead, made up of calcium and connective fibers with a few blood vessels running through them. 
B)  Bones are living organs with multiple tissue types and multiple cell types. 
C)  Blood cells are produced in the bone marrow. 
D)  Arthritis occurs when the cartilage between bones wears down.

Question 9

Select the feature which is not directly involved in the clotting process.

Accepted Answer

A)  Platelets 
B)  Hemoglobin 
C)  Fibrin 
D)  All of these are involved in the clotting process.

Question 10

What carries a signal from one neuron to the next?

Accepted Answer

A)  Neurotransmitter 
B)  Myelin 
C)  Synapse 
D)  Dendrite

Question 11

Describe what would happen if all of your skeletal muscles contracted at the same time.

Accepted Answer

The answer of Describe what would happen if all of...

Question 12

Choose the defining characteristic of all arteries.

Accepted Answer

A)  They only carry blood back to the heart. 
B)  They only carry blood away from the heart. 
C)  They only carry deoxygenated blood. 
D)  They only carry oxygenated blood.

Question 13

Scurvy is caused by a lack of which nutrient?

Accepted Answer

A)  Calcium 
B)  Vitamin D 
C)  Vitamin C 
D)  Omega-3 fatty acid

Question 14

From production through ejaculation,which is the correct pathway for a sperm cell?

Accepted Answer

A)  Testis → Epididymis → Vas deferens → Seminal vesicles → Prostate gland → Penis 
B)  Testis → Prostate gland → Seminal vesicles → Epididymis → Vas deferens → Penis 
C)  Testis → Vas deferens → Epididymis → Prostate gland → Seminal vesicles → Penis 
D)  Testis → Epididymis → Seminal vesicles → Vas deferens → Prostate gland → Penis

Question 15

Which type of white blood cells produces defensive proteins called antibodies?

Accepted Answer

A)  Phagocytic cells 
B)  T cells 
C)  Natural killer cells 
D)  B cells

Question 16

Sound is "heard" when sound waves cause structures inside your ears to physically vibrate.A signal is then sent to your brain where it is interpreted as sound.What type of receptor in the ear is responsible for the sense of hearing?

Accepted Answer

A)  Chemoreceptors 
B)  Electromagnetic receptors 
C)  Mechanoreceptors 
D)  Thermoreceptors

Question 17

Response to a stimulus,such that the effect of the stimulus is counteracted,is called ________ feedback.

Accepted Answer

A)  positive 
B)  simple 
C)  holistic 
D)  negative

Question 18

What is the name of the tubes that run from the kidneys to the bladder?

Accepted Answer

A)  Fallopian tubes 
B)  Urethras 
C)  Nephrons 
D)  Ureters

Question 19

The term interface can be used to describe the surface across which molecules and ions are exchanged,often diffusing between external and internal environments or between organ systems.What part of the respiratory system forms the interface between the respiratory system and the circulatory system?

Accepted Answer

A)  Alveoli 
B)  Trachea 
C)  Pharynx 
D)  Bronchioles

Question 20

A person with carbohydrates A and B on the surface of their red blood cells will have which of the following blood types?

Accepted Answer

A)  Blood type A, as A is dominant over B 
B)  Blood type B, as B is dominant over A 
C)  Blood type AB, as both A and B are present 
D)  Blood type O, as A and B cancel each other out

Exam 11: Human Body Systems