Answer:
False
Question: Which organic compound contains the most kilocalories of energy per gram?
Answer Choices:
a. fats
b. carbohydrates
c. proteins
d. nucleic acids
Answer:
a
Question: Sexually transmitted diseases between sexually active partners are most commonly transmitted by which method?
Answer Choices:
A. fomites
B. horizontal direct contact*
C. vehicles
D. vertical direct contact
Answer:
B
Question: In the human body, internal respiration is a gas exchange between the
Answer Choices:
a. air in the lungs and the blood.
b. air in the lungs and the tissues.
c. blood and the lymph.
d. blood and the tissues.
Answer:
d
Question: Which of the following statements is not true?
Answer Choices:
A. The endocrine system responds slowly and the endocrine system responds quickly.
B. Some neurons are capable of secreting hormones.
C. The nervous and endocrine systems use the same chemical molecule.
D. Both the endocrine and exocrine systems can use the bloodstream.
Answer:
A. The endocrine system responds slowly and the endocrine system responds quickly.
Question: Which of the following statements about quarantine is false?
Answer Choices:
A. Patients may be released from quarantine if preventive treatment can be administered.
B. Public health authorities can quarantine patients for any diseases.*
C. Quarantine facilities can be equipped with special air-handling methods such as HEPA filters.
D. Quarantine times depend on the incubation period of the disease.
Answer:
B
Question: Which statement about the oxygen-hemoglobin dissociation curve during exercise is correct?
Answer Choices:
a. In the tissue, the curve shifts to the right; in the lungs, the curve shifts to the left.
b. In the tissue, the curve shifts to the left; in the lungs, the curve shifts to the right.
c. In the tissue, the curve shifts to the right; in the lungs, the curve shifts to the right.
d. In the tissue, the curve shifts to the left; in the lungs, the curve shifts to the left.
Answer:
a
Question: Select the correct description for external respiration:
Answer Choices:
a) Osmotic air coming into the lungs
b) Gas exchange between the lungs and the blood
c) Gas exchange between the blood and body tissues
d) Gas exchange in the atmosphere
e) Cellular respiration
Answer:
b) Gas exchange between the lungs and the blood
Question: Which of the following forms of Regionalism have a common trade policy with outsiders?
Answer Choices:
a) Custom Union
b) Common Market
c) Economic Union
d) All of the above
Answer:
d) All of the above.
Question: Trade among nations is ultimately based on
Answer Choices:
a) Absolute advantage.
b) Strategic advantage.
c) Comparative advantage.
d) Technical advantage.
Answer:
c) Comparative advantage. (This is the correct answer as comparative advantage is the concept that a country should specialize in producing and exporting goods and services that it produces most efficiently, while importing the goods and services that other countries produce more efficiently.)
Question: Infected fleas that have the bacterium Yersinia pestis growing inside them are able to transmit plague. In this case, the infected fleas are best described as which of the following?
Answer Choices:
A. biological vectors*
B. fomites
C. mechanical vectors
D. vehicles
Answer:
A
Question: An arteriosclerotic blood vessel can best be described as
Answer Choices:
a. sinusoidal.
b. inelastic.
c. vasodilated.
d. fenestrated.
Answer:
b
Question: Which of these mechanisms is responsible for moving lymph through lymphatic vessels?
Answer Choices:
a. pressure from blood vessels
b. contraction of skeletal muscles
c. pumping of the heart
d. signals from the nervous system
Answer:
b
Question: Which of the following statements about water-soluble hormones is false?
Answer Choices:
A. They cause the involved second messengers to move from the blood stream.
B. They dissolve in the blood as free hormones.
C. They easily diffuse through capillary walls.
D. They cause physiological responses in a low target HR.
Answer:
A. They cause the involved second messengers to move from the blood stream.
Question: Which of these is an autoimmune disease?
Answer Choices:
a. acquired immune deficiency syndrome (AIDS)
b. asthma
c. elephantiasis
d. systemic lupus erythematosus
Answer:
d
Question: Two goods are complements if a decrease in the price of one good:
Answer Choices:
a) Decreases the quantity demanded of the other good.
b) Decreases the demand for the other good.
c) Increases the quantity demanded of the other good.
d) Increases the demand for the other good.
Answer:
d) Increases the demand for the other good.
Question: In the respiratory system, the muscles of inspiration include the diaphragm, the pectoralis minor, scalenes, and the
Answer Choices:
a. external intercostals.
b. thoracic wall.
c. internal intercostals.
d. transverse thoracis.
Answer:
a
Question: An embryo that has divided into three distinct cell layers is called a?
Answer Choices:
a. blastocele.
b. blastula.
c. gastrula.
d. morula.
Answer:
c
Question: Emphysema is characterized by
Answer Choices:
a. the destruction of alveolar walls.
b. inflamed bronchi caused by irritants.
c. replacement of lung tissue with fibrous connective tissue.
d. over-viscous mucus.
Answer:
a
Question: What is the process by which contractions of the esophageal muscles move food toward the stomach?
Answer Choices:
a. distension
b. peristalsis
c. regurgitation
d. syncope
Answer:
b
Question: Arrange the following structures in the order air passes through them during inspiration: (1) alveolus (2) respiratory bronchiole (3) alveolar duct (4) terminal bronchiole
Answer Choices:
a) 1, 2, 3, 4
b) 4, 3, 2, 1
c) 2, 3, 1, 4
d) 3, 2, 4, 1
e) 4, 2, 3, 1
Answer:
b) 4, 3, 2, 1
Question: Decreases in the body fluid pH leads to _____ which results in _____.
Answer Choices:
a. an increased rate and depth of ventilation; an increase in the H+ concentration
b. an increased rate and depth of ventilation; a decrease in the H+ concentration
c. a decreased rate and depth of ventilation; a decrease in the H+ concentration
d. a decreased rate and depth of ventilation; an increase in the H+ concentration
Answer:
b
Question: An individual deficient for vitamin A would experience which set of symptoms?
Answer Choices:
a. neuromuscular dysfunction and fatigue
b. excessive bleeding due to retarded blood clotting
c. macrocytic anemia and neural tube defects
d. night blindness, retarded growth, and skin disorders
Answer:
d
Question: An example of ________ stimuli control is when blood calcium levels decrease out to parathyroid hormone being released.
Answer Choices:
A. neural
B. hormonal
C. humoral
D. neural/hormonal
Answer:
C. humoral
Question: What is the process where molecules move out of the digestive tract into circulation or the lymphatic system?
Answer Choices:
a) Peristalsis
b) Chemical digestion
c) Secretion
d) Absorption
Answer:
d) Absorption