Biologie
Biologie cellulaire, génétique, écologie et bases des sciences de la vie.
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question 53 the capacity to activate muscle fibers simultaneously is kn…
Muscle Fiber Recruitment (or Motor Unit Recruitment)
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question 52 the space between the ends of the two sets of thin filament…
C. H zone
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what was a goal of president wilsons fourteen points? a. a limit on the…
B. An international body to decide disputes between nations
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question 51 a specific activation ______ must be reached for muscle act…
threshold
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question 50 each muscle fiber is activated through impulses delivered v…
A. True
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question 49 the performance capacity of muscle is determined by which o…
D. number of fibers
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question 3 of 10 what was a part of president wilsons fourteen points? …
D. All of the above
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question 48 the contractile unit of a muscle is the: ○ sarcolemma ○ mot…
D. sarcomere
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question 47 a muscle or group of muscles opposing an action is called t…
B. antagonist
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question 46 skeletal muscle is usually linked to bone by bundles of col…
tendons
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question 6 of 10 which of the following statements is true about german…
C. U-boat warfare was the German response to the British blockade.
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analyzing characteristics of atmospheric layers on a warm summer day, a…
troposphere
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question 35 bone marrow is: ○ typically found in short bones ○ located …
B. located inside the bone cavity
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question 33 together, the clavicle and the scapula form the: ○ acetabul…
D. pectoral girdle
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question 1 of 5 who opposed imperialism by writing satire? a. samuel la…
A. Samuel Langhorne Clemens
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question 32 rectus femoris, vastus lateralis, vastus intermedius, and v…
quadriceps femoris
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all living organisms are made of carbon. carbon is also constantly bein…
- Cause: Photosynthesis takes place. ; Effect: Carbon is removed from the atmosphere. - Cause: Fossil fuels burn. ; Effect: Carbon enters the atmosphere. - Cause: An excess of car…
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question 31 which of the following is a correct directional term to des…
B. superficial
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yellow journalism relied on exaggeration and ______. a. expensive publi…
B. False claims
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question 29 the c2 vertebra (the axis) is: ○ a long bone ○ a short bone…
D. an irregular bone
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question 28 which of the following statements about flexion is false: ○…
C. It increases the angle between two bones at a joint.
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question 27 in general, extension increases the angle between two bones…
A. True
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question 2 of 10 in battles in the philippines and puerto rico, america…
B. Rebels of the native countries.
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question 26 the trapezius is a posterior muscle. true false
A. True
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question 25 cortical bone: ○ has a honeycomb structure ○ is largely fle…
C. is largely found in long bones
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question 24 the metacarpals are located in the feet. true false
B. False
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tides are the alternate rising and falling of large bodies of water. ti…
- Cause: "The sun and the moon exert gravitational pulls on the Earth."; Effect: "Tides form." - Cause: "The Earth, sun, and moon are aligned."; Effect: "Spring tides form." - Cau…
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question 23 which of the following is not part of the axial skeleton: s…
A. scapula
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question 22 which of the following statements about joint types is true…
A. Synovial joints are supported by extrinsic ligaments.
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question 21 the carpometacarpal joint is an example of a: saddle joint …
A. saddle joint
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which statement best describes how boxer’s response supports the author…
Boxer’s acceptance shows how the working class could be manipulated by those in power.
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read the text. when you put a tasty morsel in your mouth, saliva coats …
- Cause: Saliva breaks down food. → Effect: Food becomes easier to swallow. - Cause: The epiglottis closes the windpipe. → Effect: Food enters the esophagus. - Cause: The small in…
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in the digital age, computers and cell phones offer an endless stream o…
Technology is a distraction → Concentration is difficult The glasses darken → The wearer can't see Neurofeedback reveals your brain waves → (Contextually: Learning to focus, but b…
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the irish potato famine lasted from 1845 to 1849. since potatoes are ha…
Potatoes are robust and easy to grow → Potatoes were a mainstay of the Irish diet Only one type of potato was grown → Genetic diversity was reduced A blight destroyed the potato c…
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the stem of a plant contains different types of tissue. two of these ty…
xylem
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read the text. the respiratory system is composed of airways, lungs, bl…
- The diaphragm contracts and moves downward: Air moves into the lungs. - The diaphragm relaxes and moves upward: Air moves out of the lungs.
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read the text. some flowering plants adjust their scents to aid in surv…
- Cause: The plant has a floral fragrance → Effect: The plant attracts caterpillars. - Cause: The plant decreases its floral fragrance → Effect: The plant attracts parasitic wasps.
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scientists divide the history of earth into eras. different types of an…
Mesozoic era
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read the text. the grizzly is a large, powerful bear standing about six…
Grizzlies are large and frightening → Explorers recorded grizzly sightings Grizzlies were hunted → Grizzlies have declined
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read the text. since 2013, the population of sea stars along north amer…
Cause: Sea stars are getting SSaDV → Effect: Sea stars are disintegrating into white goo Cause: More food is available → Effect: More sea star babies are surviving
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which of the following defines chicago’s position in relation to the in…
B. Situation
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question 4 1 pts which of the following is not a theme that has emerged…
D. Industrialization, urbanization, and city life have resulted in decreased anonymity and alienation. (Note: Assuming the options are labeled A - D in order, with the last option…
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the text argues that the central problem of the parties today is how to…
A. appeal to moderate voters despite the parties’ ideological orientation. ### Second Question
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26. read the sentence below. (2 points) several students were having a …
A. Chromosomes are the structures found in the nucleus of a cell. They are made from DNA, containing hereditary information in the form of genes that control how an organism will …
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cell cycle review 1. what is responsible for moving chromosomes during …
Spindle fibers (composed of microtubules) are responsible for moving chromosomes during mitosis. ### Question 2
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the bicuspid valve is located on the left side of the heart. a true b f…
A. True ### Question 11 (Heart Chambers)
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what is the role of the lungs in pulmonary circulation, and how do they…
A. The lungs play a crucial role in pulmonary circulation by facilitating gas exchange. In the alveoli of the lungs, carbon dioxide is removed from the blood and replaced with oxy…
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question a what area of the hearts electrical conduction is known as th…
B. SA node
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what is systemic circulation? a systemic circulation is responsible for…
D. Systemic circulation is the flow of blood from the heart to the rest of the body and back to the heart.
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1 chamber that receives deoxygenated blood from the body select match 2…
1. Right atrium 2. Left ventricle 3. Right ventricle 4. Aorta 5. Pulmonary veins 6. Superior and inferior vena cava
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blood flows in the following sequence in the heart: superior vena cava/…
A. True
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what is the correct sequence of electrical conduction of the heart? a a…
C. SA node, AV node, Bundle of His, Right and Left Bundle branch, Purkinje fibers.
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what part of the heart delivers richly oxygenated blood to the body? a …
C. Aorta
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read two excerpts from a speech by economist ben bernanke, former chair…
D. The Federal Reserve could have increased the money supply to help failing banks in the crisis.
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what part of the heart delivers unoxygenated blood to the lungs? a pulm…
A. Pulmonary artery ### Question 2:
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aorta and pulmonary veins pulmonary arteries and pulmonary veins aorta …
C. Aorta and venae cavae
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opening and closing of the heart valves is caused by ________.
pressure differences (or pressure gradients between heart chambers and adjacent vessels/chambers)
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atrial depolarization causes the _______.
P wave (or atrial contraction)
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the right atrioventricular valve regulates the opening between the ____…
right atrium; right ventricle
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mitral valve prolapse causes blood to leak back into the ______ when th…
left atrium
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pericardial fluid is found between the ______ and the ______.
parietal pericardium, visceral pericardium (or epicardium)
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32. a group of scientists took a gray body, normal wings drosophila, an…
A. It causes genetic variations in offspring.
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when the left ventricle contracts, the ______ valve closes and the ____…
mitral (or bicuspid); aortic
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the sentences below. (2 points) humans carry the same number of homolog…
B. Each homologous chromosome from the parent will have the same gene sequence, but each gene is composed of different codes for the same trait genes called alleles, E. Genes cont…
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the ______ carry blood toward the lungs.
pulmonary arteries
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the ______ valve regulates the flow of blood between the right ventricl…
pulmonary
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which of the following is a difference between network - attached stora…
D. Unlike external hard drives, NAS devices make backups much easier for multiple computing devices.
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the ________ is the pacemaker that initiates each heart beat.
sinoatrial (SA) node
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the length of a cell phone is 1.2 inches and the width is 4.8 inches. t…
6.72 inches
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oxygen-poor blood passes through the ________.
right atrium (or other correct structures like right ventricle, pulmonary artery depending on the specific context of the question. If we assume a common basic question about the …
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the _________ performs the work of the heart.
heart (or "cardiac muscle" / "myocardium" depending on context, but "heart" is the most straightforward for this blank)
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select all the correct answers. newton bay is a sparsely populated area…
The demand for land will increase. The price of land will increase.
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atrial systole begins ____________.
after ventricular diastole (or to complete ventricular filling, or when the SA node triggers atrial contraction)
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select the correct answer. jack sells homemade chocolates and cookies. …
C. law of supply
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10. examine the diagram below and answer the question that follows. dia…
C. What internal force drives tectonic motion? ### Question 11
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the viscosity of blood is due more to the presence of ______ than to an…
red blood cells (erythrocytes)
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7. deforestation is the result of humans cutting, clearing, and removin…
C. Trees use carbon dioxide in the process of photosynthesis, which reduces $\boldsymbol{CO_2}$ in the atmosphere. Burning huge masses of trees releases large amounts of $\boldsym…
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what is the most abundant protein in plasma?
Albumin
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serum is essentially identical to plasma except for the absence of ____…
fibrinogen (or clotting factors)
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widespread clotting within unbroken vessels; infection of b lymphocytes…
- Septicemia: Bacteria in the bloodstream - Thrombocytopenia: A platelet count below 100,000/mL - Disseminated Intravascular Coagulation: Widespread clotting within unbroken vesse…
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where does myeloid hemopoiesis take place in adults?
In adults, myeloid hemopoiesis takes place in the red bone marrow.
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60% - 70% 25% - 33% 2% - 4% < 0.5% 3% - 8% neutrophils (1/5) monocytes …
- Neutrophils: 60% - 70% - Lymphocytes: 25% - 33% - Monocytes: 3% - 8% - Eosinophils: 2% - 4% - Basophils: < 0.5%
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the result of polyspermy in humans is _______. 1) multiple births 2) a …
2) a nonfunctional zygote
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erection of the penis results from ______. 1) a sympathetic reflex 2) p…
4) a parasympathetic reflex
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to produce intrinsic factor caused by a recessive allele that modifies …
- Thalassemia: "Is deficiency or absence of alpha or beta hemoglobin" - Sickle Cell Disease: "Caused by a recessive allele that modifies the hemoglobin" (For the other features, i…
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match each erythrocyte disorder to its cause or definition. labels ① dr…
- Primary Polycythemia: Due to cancer of the erythropoietic cells in the red bone marrow - Pernicious Anemia: Occurs when stomach glands fail to produce intrinsic factor - Iron De…
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question 6 which of these is the most direct effect of alveoli filled w…
Question 6: C. Poor transfer of oxygen and carbon dioxide Question 7: G. All of these
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when hiv becomes aids your body will? a. be able to fight off infection…
D. have a T - cell count of less than 200
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how did the intensity of pulse pressure change with the arterys proximi…
A. Arteries closest to the heart have a greater pulse intensity. ### Second Question (Body Position and Heart Rate Change):
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10. a person’s kidneys stop filtering waste effectively. which outcome …
10. C. The circulatory system builds up toxic waste in the blood. 11. A. Nervous system cannot communicate with the muscular system. 12. C. The circulatory system is immediately i…
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question why did the pulse rate decrease 5 minutes after exercise? five…
C. The tissue demand for oxygen has decreased.
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question 1 which of the following shows the correct sequence of airflow…
Question 1: D. Mouth, throat, trachea, bronchi, bronchioles, alveoli Question 2: A. An asthmatic
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consider this claim: prescription drugs should not be advertised direct…
According to a study published in a medical journal, fifty - five percent of the claims made in drug ads to consumers were considered "potentially misleading" and two percent were…
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question 9 blood transports carbon dioxide mainly as: a hemoglobin b ca…
Question 9: C. Bicarbonate or carbonic acid Question 10: B. medulla
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question 7 an increased breathing rate is often associated with which o…
Question 7: E. decrease in oxygen levels in the blood Question 8: D. tracheae
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consider this claim: animals should be used for research because animal…
Bacterial infections were once a major cause of death, but animal experiments led to the development of penicillin, which radically changed our ability to treat these infections a…
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consider this claim: educators should incorporate computer games into t…
A. A study published in an academic journal found that student engagement increased when a computer game about genetics was used in a high school classroom.
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question 5 hemoglobin is a(an) ______ rich pigment that carries oxygen.…
Question 5: A. Iron Question 6: C. Hemoglobin
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select your prediction for this experiment with regards to physical act…
B. Pulse rate increases after standing or exercise.
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consider this claim: college is worth the cost of tuition because gradu…
The lifetime earnings of a college graduate are about half a million dollars more than those of someone with only a high school diploma.