Biology question and answers for December 05, 2023
- Q The motor end plate will cause ___ in response to neurotransmitters binding to it. An influx of Calcum An influx of SodiumAn influx of Potassium An influx of acetylcholine
- Q With regards to cardiorespiratory training:Methods to gauge exercise intensity include all of the following except:The Talk TestThe Borg ScalePerceived Exertion or RPEThe Karvonen Formula
- Q Actin filaments in microvilli require the help of myosin so that they can associate with the microvilli cellular membrane. What type of myosin is utilized for membrane association?Myosin VIIMyosin IIMyosin...
- Q Identify the structure labeled 11. transverse process superior articular facet Ospinous process Oondontoid process
- Q Identify the muscle labeled 33.sartoriusquadracepsadductor groupiliopsoastensor fasciae latae
- Q Which of the following is not an important function of the skeletal system?stores mineralsproduces Vitamin Eprotects vital organshematopoiesissupports body
- Q The trapezius muscle produces all of the following motions except:turns the head from side to side.moves the arm anteriorly and across the chest.pulls the shoulder blades together.raises the shoulder.
- Q Which of the following statements about allostery in motor proteins is true (select all correct answers)?For myosin to release actin, work must be doneRelease of ADP from myosin is spontaneousBinding...
- Q Which is NOT true of smooth muscle? A. They use peristalsis to move substances through tubes. B. They form structures like blood vessels and the small intestine. C. They quickly...
- Q What is involved in a muscle contraction? A. Myofibrils in the muscle shorten and lengthen to make the muscle contract and extend. B. Actin and myosin come in and out...
- Q All the subjects in this experiment were excising for a long period of time. Power lifters and Olympic sprinters complete their entire event in less than 10 seconds. These types...
- Q The relaxation of a skeletal muscle involvesAnswer any that apply.Acetylcholine esterase functions in the synaspe.Acetylcholine diffuses away.Acetylcholine esterase is re-uptaken into the somatic motor neuron.Acetylcholine esterase functions in somatic motor...
- Q Choose the characteristics below that match with the pinkish (i.e., "in-between") color muscle fiber shown in the figure above.These are for short duration activity such as weight lifting.These are fast...
- Q AMP-PNP is the abbreviation for a structural analogue of ATP in which the second and third phosphate groups are linked by an NH group (instead of an oxygen atom). AMP-PNP...
- Q Match the phase of the cross bridge cycle with the state of the ATP/ADP+PCrossbridge formationPower strokeRelease of the myosin headResetting of the myosin head (recocking)A. No change in the ATPB....
- Q Which part of a muscle cell does an action potential travel down?The sarcalemmaThe sarcoplasmThe sarcoplasmic reticulumThe epimysium
- Q Choose the statement that best describes how the skeletal muscle pump works.Increasing abdominal pressure and decreasing thoracic pressure during inhalation causes increased venous flow,Blood is pushed along the venous system...
- Q Skeletal muscle is also known as muscle, meaning we have control over it. A. involuntaryB. voluntaryC. cardiac
- Q Which statement best describes a cause and its effect that occurs during the process of muscle contraction?The release of calcium ions causes myosin and actin to attach to each other.The...
- Q Which is the best summary ofparagraph15 of "The Lady, or theTiger?"A. Because of their connection the lover knowsthe princess holds the secret of the doors.B. The lover hopes the princess...
- Q What is the threshold stimulus (V) in the lower forelimb muscle with a 20g load?A. 7.0B. NoneC. 8.0D. 6.0
- Q Summarize it!1. Organize Create a graphic organizer to summarize the functions of the muscular system and how it interacts with other organ systems.2. Create another graphic organizer to summarize the...
- Q Chickens use their breast muscles to do powerful, quick motions like flying or fighting. What type ofmuscle fiber is chicken breast muscle is probably mostly comprised of?Fast, glycolytic muscle fibersFast,...
- Q If there were no calcium-ATPases in the sarcoplasmic reticulum, what would happen to cross-bridge cycling during a single switch?It would only occur for a very short duration.It would not occur.It...
- Q In what starting position is the biceps brachii most likely to make the most amount of tension whencontracting? Hint: Think about sarcomere length.When your elbow is bent at a 90...
- Q When is tension specifically produced within a single cross-bridge cycle?When ATP binds to myosin headPower strokeCross-bridge formationWhen ATP hydrolyzed by myosin head
- Q In a typical single twitch of a muscle, when exactly does cross-bridge cycling begin?When calcium is released from the sarcoplasmic reticulumWhen the action potential travels down the T-tubuleWhen calcium binds...
- Q Myoglobinproduces the end plate potentialis a protein involved in the direct phosphorylation of ADPstores oxygen in muscle cellsbreaks down glycogen
- Q During muscle contraction, myosin cross bridges attach to which active sites?actin filamentsZ discsthick filamentsmyosin filaments
- Q An increase in the calcium ion level in the sarcoplasm starts the sliding of the thin filaments. When the level of calcium ions declines, sliding stops.TrueFalse
- Q If a muscle fiber were to suddenly and permanently stop producing ATP the fiber would no longer be able to actively transport calcium out of the cytoplasm (sarcoplasm) and the...
- Q Which symptom is NOT common in Parkinson's disease?a) Tremorb) Recurrent bleedingsc) Stiffnessd) Uncontrolled movements
- Q The muscle you can see on the microscope screen was stained for myosin ATPase anda darker stain indicates a higher capacity to use ATP. This means muscles can contractmore quickly...
- Q A person with myasthenia gravis has many fewer acetylcholine receptor proteins on the membrane of skeletal muscle cells. When compared with normal muscle cells, how would you expect this decrease...
- Q Arrange the following events in chronological order, beginning immediately after the motor neuron initiates the response by listing the numbers associated with each:1. T tubules transmit electrical impulses throughout the...
- Q Which example best describes a restoring force? the force applied to move a spring back to its original lengthany force that is applied to a spring to change its lengththe...
- Q What is the relationship between mass and weight? Weight is the force of gravity on the mass of an object.Mass is the force of gravity on the weight of an...
- Q The head of an infant grows significantly during the first four months of their life. On average, how many centimetres does the circumference increase during this period of time? Use...
- Q Which of the following skills are examples of linear motion? Select all the options that apply.a) A sprint athlete hurdling a barrier.b) A football receiver veering to go around an...
- Q Which of the following require energy predominantly from the ATP-PC system?Anaerobic activities like sprinting (< 2 minutes)Activities requiring short burst of power (< 15 seconds)Intense, aerobic activities like marathon running.Movements...
- Q What is the function of the sarcoplasmic reticulum that surrounds each myofibril in the muscle?Produce adenosine triphosphateStore and release moleculesContract the musclesCommunicate with the brain
- Q Read the section "Other Facts About Muscle Tissue," What does this section explain that other sections DO NOT? the differences between the three muscle tissues the idea that muscle tissues...
- Q Identify the INCORRECT statement regarding locomotion. As the flexor networks are being turned off, it will disinhibit the extensor networks. Activation of the flexor burst genator in your right leg...
- Q The sarcolemma, or muscle cell plasma membrane, helps maintain a concentration gradient of calcium ions (Ca+) between a muscle cell's cytoplasm and the extracellular fluid. When a muscle cell receives...
- Q Which resistance exercise is least biomechanically similar (or less equivalent) to a Standing Back SquatSeated Leg PressSmith Rack SquatStanding Calf RaiseInverted Leg Press
- Q NAME THE LEVER CLASS Knee Flexion in standing leg curl: RFL = cuff weightwrapped around the ankle; EFL distal insertion of hamstring tendons on proximaltibia and fibula:1st class2nd class3rd class4th...
- Q Fixing eyes on a target during one-legged static balance trial likely enhances balance due to all of the following, except:Visual orientation and organizationRange of motionTask-specific focusSelective attention
- Q Identify the INCORRECT statement regarding locomotion:As the heel strikes the ground, the mechanoreceptors will feed sensory information from your foot before you start the swing phase againWe have the stretch...
- Q Gerald has difficulty in initiating voluntary movements, but is able to move smoothly once he gets going. Which area of the brain is most likely affected?epithalamusmedulla oblongatalimbic systemcerebellumbasal nuclei
- Q On occasion women in labor may need to speed up the pace of the labor A slow or stalled labor can increase the likelihood of needing medical intervention such as...
- Q Unit Test Active 1 3 4 S neurons O epithelial cells O blood cells O muscle cells 7 8 9 10 Which specialized cells are responsible for transmitting messages throughout...
- Q A The separation of charge seen in the neuron to the right is called a n action potential B Cl CI electro chemical gradient C Na positively charged molecule
- Q In a neuron the action potential usually commences on a dendrite and then moves though the soma and down the axon usually commences at the end of the axon moves...
- Q An individual is complaining of not being able to sleep properly Based solely on the information you have learned about the endocrine system which gland do you think may be...
- Q Drag each tire to the correctiocatori Sort the situations based on which part of the autonomic nervous system is at work Ross feels nervous because he misplaced his important work...
- Q 2 The following is a diagram of a neuron Label structures A to E 5 marks A B C D E TRENING
- Q Which of the following symptoms would appear in a patient who had suffered damage to the efferent pathway of a reflex arc Stimuli would be felt but the muscles would...
- Q A Perform the confrontation test B Have client say ah and watch uvula C Check the gag reflex D Have client stick out their tongue and wiggle it Question 2...
- Q A Motor eye opening verbal response B Memory Motor eye opening C D Eye opening motor sensory Verbal response eye opening orientation Question 20 What does stereognosis assess A Sharp...
- Q A Stereognosis B Extinction Graphesthesia Point location Question 14 hat test has the nurse been performing B CNV The nurse is assessing a client s neurological status by touching a...
- Q A Vital signs B Cranial nerves C Motor function D Rinne test E Pupillary response F Level of consciousness Question 10 Which statement is true regarding the Glasgow Coma Scale...
- Q Acetylcholine is a neurotransmitter that provides for communication between muscles and nerves When there is a problem with the interaction between acetylcholine and the acetylcholine receptor sites on the muscles...
- Q Some researchers claim that a fourth germ layer which first appears in the a number of different cells such as adipocytes melanocytes osteoblasts and chondroblasts O smooth muscles Chondrichthyes O...
- Q Which statement is false about respiratory tract infections a Immunisation does not provide complete protection against influenza O b The common cold can be caused by parainfluenza viruses O c...
- Q Among neurons a large surface area for synaptic input is provided by the highly branched structure of the a Dendrites O b Axon O c Axon hillock O d Cell...
- Q Which of the following is an adaptive immune cell O a Mast cell O b Macrophage O c Platelet O d B cell Oe Neutrophil
- Q Which of the following symptoms signs would you not anticipate in an individual with hyperthyroidism a Increased appetite b Heat intolerance c Bulging eyes exophthalmos O d Decreased cardiac output...
- Q 22 The voltage sensor in voltage gated ion channels is usually comprised of what a Protein domains on the extracellular side of the membrane b Protein domains on the intracellular...
- Q 24 What would happen to the membrane potential if you open a lot of potassium channels a The membrane potential is not affected by K b It becomes more negative...
- Q What kind of receptor do our ears use to detect sound O photoreceptor O chemoreceptor O mechanoreceptor O pressure receptor 1 Previous
- Q Stereoscopic vision occurs because O an animal has two cyes with partially overlapping visual fields cinemas can charge more for the 3 D versions of movies an animal has two...
- Q Which muscle bends the lower arm toward the upper arm OA Rectus abdominis OB Biceps brachii C Thenar D Triceps brachii
- Q Which part of the ear do the vestibule semicircular canals and cochlea belong to OA Middle ear OB Inner ear OC Outer ear D Mastoid process
- Q Clouding of the lens is called A a cataract OB presbyopia OC papilledema OD retinopathy
- Q Sounds ringing buzzing hissing roaring that are heard constantly or intermittently in one or both ears even in a quiet environment are a symptom of the condition known as A...
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