BIOL 181 week 3 quiz

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School

Jefferson State Community College *

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181

Subject

Biology

Date

Feb 20, 2024

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docx

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Uploaded by EINSTEIN_PROGENY

Week 3 Quiz - Results Attempt 1 of 1 Written Sep 21, 2023 2:07 AM - Sep 21, 2023 2:55 AM Released Sep 30, 2023 12:55 AM Attempt Score 97 / 100 - 97 % Overall Grade (Highest Attempt) 97 / 100 - 97 % Question 1 3 / 3 points In case an American needs an emergency blood transfusion, blood with the following blood type(s) can be given without fear of agglutination? Question options: O+ AB+ AB- Blood with the same blood type as the person needing the transfusion. Either C or D can be given. Hide question 1 feedback Good work; your answer is correct! Question 2 3 / 3 points Lymphocytes can be classified in the following group or groups: Question options:

monocytes B-cells T-cells natural killer (NK) cells Answers B, C, and D are correct Hide question 2 feedback Good work; your answer is correct! Question 3 3 / 3 points Which of the following is/are true of the molecule named hemoglobin? Question options: It can bind to only one molecule of oxygen. It numbers approximately 1 to 2 million in each erythrocyte. It contains four folded chains of a protein named globin. It functions as the nucleus in all mature erythrocytes. It is a very simple protein structure. Hide question 3 feedback Good work; your answer is correct! Question 4 3 / 3 points Which of the following is/are important in the process named hemostasis by which the body seals a ruptured blood vessel and prevents further loss of blood? Question options: vascular spasm

formation of a platelet plug coagulation fibrinolysis A, B, and C are all correct. Hide question 4 feedback Good work; your answer is correct! Question 5 3 / 3 points The total life span of an erythrocyte: Question options: Is the same amount of time that it takes one RBC to cycle once through the blood stream. Averages about 5-7 days. Averages about 120 days. Averages approximately 1-2 years. None of the above. Hide question 5 feedback Good work; your answer is correct! Question 6 3 / 3 points Which of the following is true of leukocytes? Question options: They are very similar in appearance and function as red blood cells. Leukocytes are smaller than and more numerous than red blood cells. Like red blood cells, mature leukocytes also lack a nucleus and other intracellular organelles. Leukocytes always remain in circulation throughout the body.

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The leukocyte is a major component of the body's defenses against disease. Hide question 6 feedback Good work; your answer is correct! Question 7 3 / 3 points The blood type of a person's blood depends on which of the following factors? Question options: Which of the three antigens, A, B, and/or O, are located on the surface of the erythrocytes. Which of two antigens, Rh+ or Rh-, are located on the surface of the erythrocytes. Which of the two antigens, A or B or both, are located on the surface of the erythrocytes. Whether or not the Rh antigen is found on the surface of the erythrocytes. The blood type depends on both C and D. Hide question 7 feedback Good work; your answer is correct! Question 8 3 / 3 points Which of the following is/are true of platelets? Question options: They arise from cells called megakaryocytes. They do not contain a nucleus. They play an important part in the clotting of blood. They are not cells. All of the above are true. Hide question 8 feedback

Good work; your answer is correct! Question 9 3 / 3 points The opening of any heart valve only occurs when: Question options: the blood pressure in the heart chamber from which blood is flowing is higher than the blood pressure in the chamber to which the blood is supposed to flow. the chordae tendinae pull it open. blood tries to flow in an incorrect/opposite direction. the cardiac muscle surrounding the valve contracts. papillary muscles push it open. Hide question 9 feedback Good work; your answer is correct! Question 10 0 / 3 points Which of the following statements about valves in the heart is/are true? Question options: A valve enables blood to only flow in one direction. A valve keeps blood from flowing in a reverse direction. All of the valves open when the blood pressure on one side of the valve is higher than on the other side of the valve. Statements A and B are correct. Statement C is incorrect. Statements A, B, and C are correct. Hide question 10 feedback Statements A, B, and C are correct. Question 11 3 / 3 points

Which of the following statements about the left ventricle is/are true? Question options: Blood entering the left ventricle is usually quite low in its oxygen concentration. Blood exits the left ventricle through the aortic valve into the aorta. The left ventricle contracts at the same time as the left atrium. The wall of the left ventricle is very thin but also is very strong. Both B and D are correct. Hide question 11 feedback Good work; your answer is correct! Question 12 3 / 3 points Which of the following parts of an ECG represents the depolarization of the atria? Question options: The P-wave The T-wave The ST interval The PR-interval The QRS-complex Hide question 12 feedback Good work; your answer is correct! Question 13 3 / 3 points Let the left atrium = 1; the right atrium = 2; the left ventricle = 3; the right ventricle = 4. Blood then would flow through the heart in the following order:

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Question options: 3, 4, 2, 1 4, 3, 2, 1 1, 2, 3, 4 2, 1, 3, 4 2, 4, 1, 3 Hide question 13 feedback Good work; your answer is correct! Question 14 3 / 3 points The spontaneous action potential established in cardiac contractile cells is highly dependent on which of the following? Question options: The sodium ion, Na+ The potassium ion, K+ The calcium ion, Ca2+ Various voltage-gated ion channels All of the above Hide question 14 feedback Good work; your answer is correct! Question 15 3 / 3 points In case of damage to the SA node, there are other sites in the heart which can depolarize and establish a rate of contraction of the cardiac muscle cells. For example: Question options:

The cardiac muscle cells themselves can depolarize spontaneously at about 10 times per minute. Various other cells in either atrium can establish a heart rate of 100-140 beats per minute. The Purkinje fibers can themselves depolarize at rates of about 5-10 times per minute. The bundle branches can each depolarize at rates of approximately 50-60 times per minute. The AV node itself can depolarize at rates of 40-60 times per minute. Hide question 15 feedback Good work; your answer is correct! Question 16 3 / 3 points Which of the following statements about the circulatory system is/are correct? Question options: The pulmonary circulatory system starts in the pulmonary trunk as the blood leaves the right ventricle and ends as the blood flows back into the left atrium. The systemic circulatory system begins in the aorta as the blood leaves the left ventricle and ends as the blood returns to the right atrium. The pulmonary arteries carry less oxygen than do the pulmonary veins. The aorta is the largest blood vessel that exits from the heart. All the above statements are true. Hide question 16 feedback Good work; your answer is correct! Question 17 3 / 3 points The pulmonary arteries carry blood to the______. Question options: Aorta Lungs

Systemic system Heart Ventricles Hide question 17 feedback Good work; your answer is correct! Question 18 3 / 3 points Capillaries that have a perforated lining are called__________. Question options: Fenestrated capillaries Perforated capillaries Sinusoid capillaries Gap Capillaries Continuous capillaries Hide question 18 feedback Good work; your answer is correct! Question 19 3 / 3 points The exchange of substances between the blood vessels and the surrounding tissues can only happen in the ___________. Question options: Arterioles Capillaries Arteries Venules Veins

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Hide question 19 feedback Good work; your answer is correct! Question 20 3 / 3 points The amount of blood pumped by either ventricle in one minute is called. Question options: Systolic volume End systolic volume Stroke volume Cardiac output Starling output Hide question 20 feedback Good work; your answer is correct! Question 21 3 / 3 points These control the blood flow through a capillary bed. Question options: Vasorum Thoroughfare channel Precapillary sphincters Arterioles AV values Hide question 21 feedback Good work; your answer is correct!

Question 22 3 / 3 points The following is a list of vessels. Place them in the order that blood would go through entering the systemic circulation. 1. Left ventricle 2. Aorta 3. Vena cavae 4. Pulmonary trunk 5. Pulmonary veins 6. Right atrium 7. Right ventricle 8. Left atrium Question options: 3, 6, 7, 4, 5, 8, 1, 2 1, 7, 3, 8, 5, 6, 2, 4 6, 7, 3, 5, 2, 1, 4, 8 3, 5, 8, 4, 1, 2, 7, 6 8,1,3, 6, 7, 5, 2, 4, Hide question 22 feedback Good work; your answer is correct! Question 23 3 / 3 points The largest collection of lymphoid tissue in an adult is in the __________. Question options: tonsils spleen Liver peyers patches thymus Hide question 23 feedback Good work; your answer is correct! Question 24 3 / 3 points

The majority of the lymph returns to the blood system by way of the __________. Question options: Cisterna chili Aorta Thoracic duct Right lymphatic duct Both the superior and inferior vena cava Hide question 24 feedback Good work; your answer is correct! Question 25 3 / 3 points Macrophages are derived from __________. Question options: monocytes basophils lymphocytes eosinophils neutrophils Hide question 25 feedback Good work; your answer is correct! Question 26 3 / 3 points The white pulp area in the spleen contains large amounts of __________. Question options:

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Red blood cells Lymph Lymphocytes Foam cells Platlets Hide question 26 feedback Good work; your answer is correct! Question 27 3 / 3 points Cancer cells and virus cells can be killed by Question options: Eosinophils Natural Killer Cells Antibodies Phagocytes T lymphocytes Hide question 27 feedback Good work; your answer is correct! Question 28 3 / 3 points Why do some vaccines, like that for influenza, need to be administered more frequently than others (such as MMR in children)? Question options: Some pathogens, such as influenza, are more dangerous than other pathogens. Some pathogens, such as influenza, evolve more rapidly than others.

Some pathogens, such as influenza, need to be administered in smaller doses. Adaptive immunity diminishes more rapidly for certain antigens, such as the influenza virus, over time. Hide question 28 feedback Correct. Good job! Question 29 3 / 3 points Which of the following leukocytes are called upon to release histamine during an allergy attack? Question options: erythrocytes basophils lymphocytes monocytes Hide question 29 feedback Correct! Question 30 3 / 3 points What type of reasoning while formulating a hypothesis uses an incomplete series of observations to develop the likeliest possible explanation? Question options: Positive Inductive Abductive Deductive Hide question 30 feedback

Correct! There are three types of reasoning that work together when formulating a hypothesis. . Question 31 3 / 3 points What is the term for an observable phenomenon in nature that is widely supported with empirical evidence; it tells us something happens, but not the why or how? Question options: Alternative Hypothesis Scientific Law Null Hypothesis Scientific Theory Hide question 31 feedback Correct! Evolution is a law, as we can't see it. Question 32 3 / 3 points A hypothesis should suggest a relationship between what two variables the researcher will test? Question options: deductive and inductive dependent and inductive dependent and independent independent and deductive Hide question 32 feedback Correct! There should be a link in the hypothesis between the variable that you are changing, and another that will be observed. Question 33 4 / 4 points

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The most common blood type of all Americans is which of the following? Question options: O- O+ A+ B- AB- Hide question 33 feedback Good work; your answer is correct! Done

BIOL 181 week 3 quiz

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