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TEAS SCIENCE ?'S
TEAS SCIENCE STUDY QUESTIONS
| Question | Answer |
|---|---|
| What carries out all chemical activities needed to sustain life Are groups of cell tissues that are similar in structure and function and are the building blocks of all living things? | Cells and Tissues |
| What occurs only in myelinated neurons, is faster than normal nerve conduction and occurs from one node of Ranvier towards the next node of Ranvier? | Saltatory conduction |
| What emulsifies fats in the small intestines, supports kidney and waste disposal , energy storage and use, and blood clotting and maintenace of osmotic balance of the body? | Homeostatic function of the liver |
| what is the protection of the internal environment from the harms of fluctuations in the external environment? | Homeostasis |
| An increase in the number of cells, size of cells, tissues, organs, and the body resulting in a single cell becoming a multi cellular complex organism is known as ? | Metabolism |
| Mesosomes are a basic external extension of what? | Cell membrane |
| Various functions of this are: DNA Replication Cell Division Export of extracellular enzymes Respiratory enzymes are also present | Mesosomes |
| All of the following are key features of qualitative research except? - Collection primarily of quantitative data - A focus on human subjectitvity - Exploratory research questions - Reasoning that moves from more sprcific kinds of statements to more | - Collection primarily of quantitative data |
| Which is not a core principle among fundamental research ethics principles except: respect for communitites beneficence respect for the person justice | Respect for communities |
| What is termed as research conducted with some practical purpose in mind? | Applied research |
| what is the prerequisite of a good experimental procedure? | There is no need to explain the need of repeating the experiment |
| What is NOT true regarding a focus group? | Ideally exceeds 12 participants |
| What are 3 types of variables? | Independent, Dependent, and Controlled |
| What organelle is responsible for food and water storage in cells? | Vacuole |
| what is cytokinese? | the division of cytoplasm |
| What do you call the process of producing polypeptide from an RNA template? | Translation |
| Which of the following of organelles are involved for cell movement? | Cilia |
| The cytoplasmic organelle containing fluid filled tubules for carrying and transporting substances is know as: | Endoplasmic reticulum |
| what describes why the rough endoplasmic can synthesize proteins while the smooth endoplasmic reticulum cannot? | rough ER is studded with ribosomes while the smooth ER is not |
| The ultimate end product of glucose breakdown in glycolysis is: | Pyruvic acid |
| Which nucleic acids carry amino acids to to organelles called ribosomes where these amino acids are linked one by one to produce a polypeptide? | tRNA |
| What correctly pairs a metabolic process with its site of occurrence? | Electron transport chain- mitochondrial membrane |
| Membrane transport- The movement of substances in and out of the cell is carried out through: | both active and passive transport |
| What describes the function of the mitochondria? | Energy production |
| what correctly describes a difference between the cytosol and the mitochondrion? | The mitochondrion is a membrane- bound organelle but the cytosol is not |
| The dominant mode of carbon dioxide transport in the body us through: | Bicarbonate |
| How many molecules of NADPH and ATP are required to reduce 6 molecules of carbon dioxide to glucose via photosynthesis? | 12 NADP and 18 ATP |
| What are the products of anaerobic respiration in humans? | Lactic acid and carbon dioxide |
| This refers to a type of stem cell that can develop into any cell found in the human body? | Totipotent |
| Which enzyme is responsible for adding a nucleotide to a growing DNA chain? | Polymerase |
| What enzyme catalyzes okazaki fragments? | Ligase |
| What do you call the max volume of air contained in the lung by a full forced inhalation? | Total lung capacity |
| Given 5 molecules of FADH2, how many ATP molecules will be produced during aerobic respiration? | 10 (2 ATP) |
| Where does the respiratory systems exchanging of gases take place? | Alveoli |
| What refers to the chemical reactions which degrade or destroy complex molecules within an organism to capture energy? | Catabolism |
| What is a function of the Pleurae? | to compartmentalize and lubricate the lung |
| what is the end product of glycolysis? | Pyruvate |
| What do you call a condition where blood contains a high percentage of carbon dioxide and a very low percentage of oxygen? | Asphyxia |
| What do you call cells that are able to differentiate into specialized cells? | Stem cells |
| What do you call the study of changes in the body's structure over time? | Developmental biology |
| What do you call the volume of the maximum air that can be expelled from the lungs after maximum inhalation? | vital capacity |
| What do you call organisms that are able to produce their own food? | Autotroph |
| What is the final product of the Calvin Cycle? | Glyceraldehyde-3-phostphate (G3P) |
| What do you call stem cells that give rise to all types of blood cells? | Hematopoietic stem cell |
| What water soluble vitamin is NOT produced in the large intestine? | Pantothenic Acid or Vitamin B5 |
| Which metal Caton is found in the center of a Heme? | Iron (II) |
| Name 3 jobs of the heart valve: | - Atrioventricular (AV) valve lies between the atria and the ventricles - AV valves prevent back flow into the atria when ventricles contract - Pulmonary semilunar valve lies between the right ventricle and pulmonary trunk |
| Heart rate in excess of 100 beats per min is known as? | Tachycardia |
| What is regarding the consituents of blood, a biconcave disc that is round and flat without a nucleus? | Red blood cell |
| The esophagus is part of which human body system? | Digestive system |
| What do you call the space between the two lungs? | Mediastinum |
| T orF? The heart beat begins when the heart muscles contract and blood flows into the atria | False |
| What can be a route for both food and air? | Laryngopharynx |
| Cardiac muscle later forming the bulk of the heart is known as? | Myocardium |
| The blood is carried AWAY from the heart in large vessels known as? | Arteries |
| The collective secretion of which of the following cells is known as gastric juice? | - Mucous cells that secrete mucous - Parietal or oxyntic cells secrete hydrochloric acid - Zymogen cells which secrete pepsinogen |
| What is the correct sequence for the passage of oxygen? | Pharynx Larynx Trachea Lungs |
| Name 3 job of the circulatory system: | -Carries blood and dissolved substances to and from different places in the body. - The R side deals with deoxygenated blood and the L system deals with the oxygenated blood - Heart and blood vessels together make up the circulatory system |
| What functions filters particles from the incoming air? | nasal hair |
| T or F? Pericardium is a single walled later around the heart? | False it is a double walled sac around the heart |
| Name 3 branches of facial arteries in the cervical portion: | Tonsillar artery Glandular artery Ascending palatine artery |
| Describe 3 microscopic anatomy areas of the heart muscles: | - The connective tissue endomysium acts as both tendon and insertion - Cardiac muscles is striated, short , fat, branched and interconnected - Intercalated discs anchor cardiac cells together and allow free passage of ions |
| The blood is carried TOWARDS the heart in large vessels known as? | Veins |
| What is considered the most powerful stimulus for breathing in a health person? | Increase in carbon dioxide |
| From an anterior view vessels carrying blood away from the heart include: | - Pulmonary truck - Left common carotid - Subclavian arteries |
| What does the P-Wave in ECG correspond to? | Depolarization of SA node |
| In sensory neurons, which part of the neuron receives the stimulus? | Dendrites |
| What is the main conductin unit of a neuron capable of conveying electrical signals along distance to reach other neurons? | Axon |
| What is known as a wave of muscular contractions that push the bolus down towards the stomach? | Peristasis |
| Which organ is responsible for the production of the bile? | Liver |
| Where is bile stored and concentrated while the pancreas helps digestion and regulation of blood sugar? | Gall bladder |
| where is nutrients absorption occur? | Small intestine |
| Which neurotransmitter slows down the activity of the neurons , preventing them from getting over excited? | GABA or gamma amino butyric |
| Which of the lobes of the brain is responsible for sensation, perception, visual, recognition and spatial reasoning? | Parietal lobe |
| Which lobe functions in processing auditory sounds? | Temporal lobe |
| Which lobe is in the center and is responsible for regulating social behavior such as: emotions planning sexual urges impulse control? | Frontal lobe |
| What lobe is the visual processing for the center of the brain? | Occipital lobe |
| Name parts of the male reproductive system: | Seminal vesicles, prostate, bulbourethral gland, vans deferens and testis. |
| Which part of the brain is responsible for higher brain functions such as thought or action? | Cerebrum |
| Which part of the brain is associated with regulation and coordination of movement, posture and balance? | Cerebellum |
| What is the brain stem responsible for? | all basic life functions like breathing, heart beat and blood pressure |
| What part of the brain is responsible for emotions, emotional behavior and motivation? | Amygdala |
| Wha is the correct arrangement of the segments of the small intestine from the posterior end upward? | Ileum, jejunum, duodenum |
| What are tiny finger like projections in the small intestines? | Villi |
| Describe the process of digestions: | Digestion begins when food enters the mouth, it is physically broken down by the teeth and chemically broken down by the amylase, the tongue moves the food around until it forms a ball called a bolus |
| What are 3 functions of the digestive system? | Digestions Absorption Secretion |
| Within the small intestine, where does the majority of absorption take place? | Jejunum |
| Where does emulsification of fats get carried out to and acidity of chyme is reduced through the action of the pancreatic juice ? | Duodenum |
| What are 3 functions of the large intestine? | Vitamin B Production Absorption of water production of vitamin K |
| What is a fatty substance that surrounds the axon of some nerve cells forming and insulin layer , and increases the speed at which impulses travel along the nerve fiber by saltatory conduction, preventing electric currents from leaving the axon? | Myelin sheath |
| Which systems are involved in the control of digestion? | Nervous system Circulatory system Digestive system |
| Which meninges is a thin membrane containing many nerve and blood vessels that provide nourishment to the underlying brain cells and spinal cord? | Pia mater |
| what is the myelin sheath produced by? | Oligodendrocytes |
| What cells form membranes that cover brain parts an d inner lining of cavities? | Ependymal cells |
| What structural support helps regulate nutrient/ion concentration and form scar tissue? | Astrocytes |
| Name parts of the female reproductive system: | Cervix, fallopian tubes, ovaries, endometrium, and the uterus. |
| The kidneys are related to which other system? | Cardiovascular |
| Aldosterone is the major representative of which type of steroid hormones? | Mineralocorticoids |
| What is the prominent member of glucocorticoids? | Cortisol |
| What is the representative for androgens? | Testosterones |
| Estradiol and estone represent which hormone? | Estrogen |
| What is considered part of the genitourinary system? | Kidneys (cortex, and medulla), the ureter, and the urinary bladder |
| What cells are known as phagocytes? | White blood cells |
| What are Apocrine and Eccrine: | Sweat glands |
| The nephron is part of which organ? | Kidney |
| What are the 3 layer of skin? | Hypodermis Dermis Epidermis |
| Which constitute the regional groups of lymph nodes? | Parotid lymph nodes Submandibular lymph nodes Submental lymph nodes |
| What are the functions of the endocrine system? | Endocrine glands synthesize and store hormones and constitute a sensing and signaling system which regulates the duration and magnitude of hormone release via feedback from the targeted cell. Maintenance of the interal environment in the body. Intergrati |
| What is the purpose of the genitourinary system? | Excretion |
| Name the parts of the integumentary system: | Hair follicles fingernails and toenails swear glands nerves hypodermis, dermis, epidermis |
| what is a termed used for exocrine glands that accumulate product in the apex of the cell where it will then detach after a period of time? | Apocrine contains excretion which then buds off |
| The hormone that acts on the same cell that produced it has was type of action? | Autocrine action |
| The reproductive system uses hormones created in what other system? | Endocrine system |
| Explain the inflammatory response of the immune system; | Capillaries dilate, pyrogen is release, temp rises, pain receptors activate, WBC's flock to the infected area |
| What is thermoregulation? | The process by which the body regulates its temperature for both heat and cold |
| What is considered the first line of defense in the immune system of the body? | Skin, mucus and cilia, saliva, stomach acid |
| The internal dark brown layer of a human kidney containing cone like structures known as renal pyramids is termed as: | Medulla |
| What do you call major matrix producing cells in connective tissue proper? | Fibroblast |
| The concentration of hormones as seen by target cells are determined by which of the following factors? | Rate of production Rate of delivery Rate of degradation and elimination of hormones |
Created by:
Maguiar
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