Unit J

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B

A person with AIDS is likely to develop infectious diseases because the virus that causes AIDS A. destroy cancerous cells B. damages the immune system C. increases the rate of antibody production D. increase the rate of microbe destruction

B

A vaccine for the viral disease known as chickenpox would contain A. a large amount of live virus B. a dead or weakened form of the pathogen C. several different antibiotics D. a small number of white blood cells

B

Atherosclerosis is a condition in which substances such as fats and cholesterol are deposited on the inside walls of arteries, resulting in a decrease in the internal diameter of the arteries. This directly interferes with which of the following processes in the body? A. the production of red blood cells B. the delivery of oxygen to body tissues C. the release of insulin to regulate blood sugar D. the transmission of nerve impulses to the heart

D

Capillaries are part of which body system? A. skeletal system B. nervous system C. digestive system D. circulatory system

A

Cells of the immune system are able to respond to the presence of invading organisms because they recognize the A. antigens present on the invaders B. antibodies present in invading pathogens C. DNA pattern in the nuclei of viruses D. antibiotics released from microbes

A

Certain microbes, foreign tissues, and some cancerous cells can cause immune responses in the human body because all three contain A. antigens B. enzymes C. fats D. cytoplasm

A

If the Fallopian tubes were blocked, it would interfere with the ability A. transport gametes B. produce mature gametes C. eliminate waste products through the urethra D. express secondary sex characteristics

C

In humans, immediately after ovulation the egg normally enters the A. follicle sac B. cervix C. oviduct D. uterus

A

In humans, the number of sperm cells required to produce a pair of identical twins is A. 1 B. 2 C. 3 D. 4

B

In the human body, which system functions primarily to defend the body against disease? A. digestive B. immune C. nervous D. respiratory

C

Select the malfunction, chosen from the list below, that is best described by the statement shown. A disease of the bone marrow characterized by the production of a large number of nonfunctional white blood cells A. Cerebral palsy B. Angina pectoris C. Leukemia D. Meningitis

D

The circulation of blood to and from the lungs is known as A. systemic circulation B. coronary circulation C. lymphatic circulation D. pulmonary circulation

C

The circulatory system is directly responsible for which of the following? A. breaking down food B. transmitting nerve impulses C. transporting nutrients to cells D. controlling movement of muscles

chorian and fetus

The process of gametogenesis occurs in the

B

To increase chances for a successful organ transplant, the person receiving the organ should be given special medications. The purpose of these medications is to A. increase the immune response in the person receiving the transplant B. decrease the immune response in the person receiving the transplant C. decrease mutations in the person receiving the transplant D. increase mutations in the person receiving the transplant

A

Use the information and the diagram below to answer the following question(s). Arteriosclerosis is a disease which clogs arteries in the human body. In arteriosclerosis, artery walls become thick. Fatty deposits build up on inner walls of arteries. This condition reduces the ability of arteries to perform their function. The diagram below shows a comparison between a healthy artery and one with arteriosclerosis. Which body function is, most affected by arteriosclerosis? A. circulating blood to tissues B. assembling amino acids into proteins C. replacing damaged cells with new cells D. breaking down food particles into molecules

D

Use the information below to answer the following question(s). Most organisms need oxygen for their cells to function normally. In mammals, two organ systems work together to move oxygen throughout the body. The respiratory system brings oxygen into the body from the environment. Which of these body systems is directly involved in the delivery of oxygen to the major organs of the human body? A. the nervous system B. the digestive system C. the endocrine system D. the circulatory system

Left ventricle (LV)

What part of the heart sends oxygenated blood to the body?

Right ventricle and left atrium

What parts of the heart are involved in pulmonary circulation?

fallopian tubes

Where does fertilization take place in a female's reproductive organ?

B

Where does oxygen-rich blood go after leaving the lungs A. the brain B. the heart C. the kidney D. the stomach

walls of uterus

Where is the area of zygote implantation?

C

Which body system typically recognizes, attacks,and destroys foreign cells or substances that may cause disease? A. digestive B. excretory C. immune D. respiratory

D

Which body system's primary function is the continuation of the species? A. digestive B. nervous C. excretory D. reproductive

D

Which chamber of the human heart receives most of the blood returning from the brain? A. left ventricle B. right ventricle C. left atrium D. right atrium

D

Which function is associated with phagocytes in the blood? A. initiating blood clots B. transporting dissolved nutrients C. producing hormones D. engulfing bacteria

B

Which is true of gamete production in humans A. It results in the formation of diploid cells B. It involves the process of meiosis. C. It is known as fertilization D. It occurs in males in a structure known as the pituitary gland.

A

Which of the following is a harmful waste material that leaves the blood and travels through the lungs before leaving the body? A. CO2 B. O2 C. H2O D. NaCl

D

Which organ system in humans is most directly involved in the transport of oxygen A. digestive B. nervous C. excretory D. circulatory

Cerebellum

Which region of the human brain maintains balance and coordinates motor activities?

B

Which statement best describes what will most likely happen when an individual receives a vaccination containing a weakened pathogen? A. The ability to fight disease will increase due to antibodies received from the pathogen B. The ability to fight disease caused by the pathogen will increase due to antibody production C. The ability to produce antibodies will decrease after the vaccination D. The ability to resist most types of diseases will increase

C

Which statement does not identify a characteristic of antibodies? A. They are produced by the body in response to the presence of foreign substances B. They may be produced in response to an antigen C. They are nonspecific, acting against any foreign substance in the body D. They may be produced by white blood cells

Chorion

Which structure do nutrients and oxygen diffuse for the developing fetus?

C

Which substances may form in the human body due to invaders entering the blood? A. nutrients B. vaccines C. antibodies D. red blood cells

C

Which substances produced in the body are directly responsible for the rejection of a transplanted organ? A. antigens B. histamines C. antibodies D. excretions


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