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BIO 2213 A&P Final

BIO 2213 A&P Final Exam

QuestionAnswer
The P wave of a normal EKG indicates: Atrial Depolarization
During a blood analysis it was noted that the person was not transporting lipids and fat soluble vitamins correctly. What is probably at fault? Alpha and Beta Globulins
The mediastinum is really the: region of the thoracic cavity that contains the heart.
Mr Walker is having a rough day. His EKG indicates that there is no P wave. Which of the following will be most affected by this? Atrial Depolarization
Which of the following is not normal for our blood plasma? A) A PH of 7.52 B) Nutrients such as lipids, glucose, and amino acids. C)albumins D) More than one of these is abnormal. A) A pH of 7.52
Damage to the ____ is referred to as conduction block. Atrioventricular Node.
Our cardiovascular system works to help maintain our normal body temperature. Which other system will help with this function? Integumentary System
Small muscle masses attached to the chordae tendineae are the: Papilliary muscles.
Once our tissues are damaged they may release tissue thromboplastin which will result in the extrinsic cloting pathway being iniated.
Our kidneys are one of the main regulators of forming new red blood cells, also known as erythropoiesis. Which triggers this? An increase in exercise and activity levels.
When Mr Walker recovered, he did some blood typing. Neither A, B, nor Rh clotted on the plate. What is his blood type? O negative.
If the length of the absolute refractory period in cardiac muscles was the same as it is in skeletal muscles, ___ tetanic contractions (cramping) might occur, which would stop the heart's pumping action.
One of the features that keeps the heart muscles from having a sustained contraction is the brief influx of Ca++ during repolarization known as the plateau phase.
Which vessel of the heart recieves blood during right ventricular contraction? Pulmonary artery.
Mr Walker was in a car accident and bleeding badly. He turned out to have B+ blood. Which is true? His blood contains the B antigen and A antibodies.
Normal hemoglobin is made of: 4 heme groups and 4 globin proteins.
Then intrinsic conduction system is important for spreading the impulse over the heart. Which of the following is the correct order of structures? SA Node, AV Node, Bundle of His, Purkinje fibers.
During the platelet release reaction and the platelets are sticking, which of the following things are released to cuase more platelets to stick and form the plug? ADP
During blood testing there are a variety of normal and abnormal proteins. Which of the following is abnormal? A) Fibrogen B) Thromboplastin C) Gamma globulins D) albumin B-Thromboplastin
The platelet release reaction involves all of the following except: A) Release of thromboxane A2 B) release of serotonin C) release of ADP D) all of these are involved D) all of these are involved
In a normal EKG, _____ the QRS is indicating ventricular depolarization
What helps fight parasites? Eosinophils
During the period of ventricular relaxation and filling, it is represented by the ___ wave. T
Put the following events in the correct sequence: 1-Fibrinogen->Fibrin 2-clot retraction 3-formation of thromboplastin 4-prothrombin-thrombin 3, 4, 1, 2
AB+ blood will have antigens to A, B, and RH? T/F False
Sickle cell anemia is caused by abnormal amino acids w/in the globin proteins.
Mr Walker took a drug that worked on his SA node by reducing the number of leaky Na+ channels. What effect would this have? His heart rate would decrease due to the threshold for calcium channels.
Which of the following cell types is important in the pathway for monocyte production? Hemocytoblast
There are 2 pathways that can trigger blood clotting. Which of the following is most correct about the intrinsic pathway? It finishes with the formation of the fibrin web.
A plasma protein important for clotting fibrinogen
these are cell fragments that help form a seal/plug platelets
thrombin acts on this protein to form a protein meshwork fibrinogen
protein that plays a role in dissolving the clot plasmin
contains cells joined by gap junctions myocardium
the outermost serous membrane of the heart epicardium
these cells line the heart and are continious with the endothelium endocardium
the pericardial sac will be lined by parietal pericardium
The epithelial membrane called the mucosa: A) Secretes mucus. B) absorbs the end products of digestion into the body. C) protects against infectious disease D) all of the above All of the above.
Short chain triglycerides are split by what enzyme? Lipase
The function of ADH is the increase water permeability in the collection duct.
Enterokinase is an important enzyme because it activates the zymogen trypsinogen.
The pouchlike structures composing the large intestine are known as: haustra
The fluid in the glomerular capsule is different from blood plasma because it will not contain any plasma protein.
Juxtaglomerular cells will release renin when ____ There is a reduced stretch of afferent arterioles.
Parietal cells produce HCL
Which of the following is not involved in digestion of lipids? brush border enzymes.
When the pancrease detects LOW blood sugar, it will release ___ and the liver will _____. glucagon; release glucose.
The macula densa cells are responsible for monitoring osmolarity and regulating the rate of filtrate formation.
The job of aminopeptidase is to remove single amino acids from 1 end of a protein chain.
Which of the following is most likely to be found in the renal medulla? loop of Henle
The cells in the distal convoluted tubule response to Aldosterone.
The function of enteroendocrine cells is to release important hormones regulating digestion into the blood.
In the proximal convoluted tubule ____ sodium is actively reasborbed followed by CL- and H2O
Site at which most of the tubular reabsorbtion occurs PCT
Site that drains the DCT collecting duct
site of filtrate formation glomerulus
Blood supply that directly recieves substances from the tubular cells peritubular capillaries
Which of the following is true about antibodies? Each antibody has 2 antigen binding sites.
Which of the following is NOT an event necessary to supply the body with O2 and dispose of CO2? Blood pH adjustment
With the Bohr effect, more oxygen is released because: decrease in pH (acidosis) weakens the hemoglobin oxygen bond.
O2 and Co2 are exchanged through diffusion
Which of the following is not a function of the inflammatory response? replaces injured tissues with connective tissue.
Which respiratory associated muscles would contract if you were to blow up a balloon? internal intercostals and abdominal muscles
The relationship between the pressure and volume of gases is given by Boyles Law
Which of the following is not a type of T cell? A) antigenic B) helper C) cytotoxic D) regulatory Antigenic
The process by which neutrophils and other white blood cells are attracted to an inflammatory site is chemotaxis
Regulartoy T cells May function in preventing autoimmune reactions
The most powerful respitory stimulus for breathing in a healthy person is lower pH in CSF
How is the bulk of CO2 carried in blood? As bicarbonate ion in plasma after first entering the red blood cells.
The statement, "in a mixture of gases, the total pressure is the sum of the individual partial pressures of gases in the mixture" paraphrases Dalton's law
Respitory control centers are located in the medulla and pons
Which of teh following is true of immediate hypersensitivites? They involve IgE antibodies and the release of histamine from the mast cells and basophils.
Which of the following does not influence hemoglobin saturation? Nitric oxide (co2's effect on ph, partial pressure of o2, and temperature all do effect it)
Which of the choices is NOT a factor that promotes o2 binding to and dissociation from hemoglobin? number of red blood cells (partial pressure of O, pH, and temperature all do)
The primary immune response has a lag period while b cells proliferate and differentiate into plasma cells.
Which of the following cells is most important for proper specific immunity? helper T cell
Innate/nonspecific immune system defenses include phagocytosis
Helper T cells function in activating both cytotoxic T and B lymphocytes
Which of the following provide the greatest surface area for gas exchange? alveoli
B cells response to the antigen challenge by producing progeny cells that include plasma cells and memory cells.
Select the correct statement about the function of antibodies IgM is well adapted for precipitation and agglutination
Which of the following is true about the number of binding sites per functional antibody unit? IgM contains 10 binding sites.
Antibody functions include all of the following except: cross linking cell bound antigens on red blood cells when blood types are properly matched
At any given time, about 250 mls is found in the capillaries
Atropine is a chemical that blocks acetylcholine receptors on the heart. If given, what effect will it have? cause an increase in heart rate.
Which of the following will result from sympathetic innervation being increased? increase contractility of the heart
Norepinephrine will have which of the following effects on the sinoatrial node? it will increase the Na+ leakage.
Which of the following is likely during vigorous exercise? capillaries of the active muscles will be engorged with blood.
Which of the following is a type of circulatory shock? hypovolemic, caused by a decreased blood volume.
The tricuspid valve is closed and the aortic valve is closed during isovolumetric relaxation
Which of the following is true about veins? Up to 70% of the blood is in venous ciruculation at any given time.
Acetylcholine exerts _____ chronotropic events. negative.
The second heart sound is heard during isovolumetic relaxation
Select the correct statement about the movement of materials at the capillary level: co2 moves from it's production site into the interstitial fluid and then into capillaries.
during auscultation of the heart, the first sound occurs during isovolumetric contraction
Our continuous capillaries are important for the formation of the blood brain barrier
if a persons venous blood pressure were higher than normal (veins only) then which of the following would be true? More fluid would be lost from the capillaries and remain as interstitial fluid.
The semilunar valves are closed when the ventricle is in diastole
Select the correct statement about fertilazation The slow block to polyspermy involves calcium and cortical granules.
The ability of the male to ejaculate is due to the action of the bulbospongiosus muscles.
If fertilzation occurs, the corpus lutuem is maintained by a hormone secreted by the _____ developing embryo
the cells that produce testosterone in the testis are called ____ and they responde to _____ sertoli cells; LH
Ejaculation is the result of ____ stimulation symphatetic
The ruptured graafian follicle is destined to become the ___ which will secrete ))))) corpus luteum; femal sex steroids
The urogenital folds will become which structure in the presense of SRY? the labia majora
Regression of the Wolffian ducts in female development is caused by which of the following? absense of testosterone
Which of the following hormones controls the release of LH and FSH in males? GnRH
The final step of spermogenesis is the formation of a functional sperm by stripping away of superflous cytoplasm and addition of a tail
The cortical reactions as a part of the flow block include an influx of Ca and movement of cortical granule to the cell membrane.
Secondary sex characteristis in females include breasts
The source of hormones during the secretory phases of the mentrual cycle is the corpus luteum
During implation, which of the following occurs release of digestive enzymes and heparin by the blastocyst
The endocrine function of the ovaries results in growth of breasts
the structions that act like fingerlike extensions to wave the ovum into the uterus are: the fimbriae
Cells become committed to forming the endoderm, ectoderm and mesoderm during gastrulation
The correct sequence of preembryonic structures is zygote, morula, blastocysts
Which of the following develops into the skin and nervous system? ectoderm
Which of the following are correct about the Graafian follicle? the granulosa cells are secreting antral fluid
The membrane in contact with maternal tissues would be the chorion
Muscle tissue is formed by the mesoderm
In oogenesis, ___ mature ovum are produced and in spermatogenesis __ mature sperm are produced. 1; 4
Which of the following occurs after ovulation? The endometruim enters it's secretory phase.
_____ from the _____ causes FSH and LH to release from the anterior pituitary. GnRH; hypothalamus
____ estrogen levels results in a surge of LH release High
All of which of the following statements referring to the uterine cycle are true EXCEPT FSH and LH levels are increased by hormones from the ovaries.
Which of the following statements about spermatogenesis is NOT true each spermatid forms 2 sperm
A low secretion of LH in the normal male would cause decreased testosterone secretion.
Which of the following phases in the monthly reproductive cycle of the female occur at the same time? regression of the corpus luteum and a decrease in ovarian progesterone secretion.
Created by: lyrabelacqua
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