Two lifter's knees are of interest at a specific moment in their lifts. In both lifts, the knee extensor torque is 100 Nm, requiring quadriceps tendon/patella ligament forces of 1000 N (about 220 lbs). Despite equivalent knee torques and quadriceps forces, patellofemoral joint forces are higher on the knees of lifter A. Briefly explain why. B

Q: The Valsalva maneuver is forced exhalation against a closed glottis. How would you demonstrate the V...

A: The Valsalva maneuver is a form of breathing that causes an increase in chest pressure. It has a var...

Q: You have to identify the artifacts present in each radiograph. Ex. ( Jewelry Artifact is seen in the...

A: X-ray artifacts can present in a variety of ways including abnormal shadows noted on a radiograph or...

Q: Blood leaves the left ventricle by passing through the (a) aortic semilunar valve. (b) pulmonary sem...

A: The heart is a muscular organ located slightly toward the left side of the breastbone. It is the mai...

Q: A technician is drawing blood from your arm for blood tests. As you feel the pain of the needle, you...

A: Flexor reflex, also referred to as withdrawal reflex, is a spinal reflex mechanism that intends to p...

Q: Complete the table below by comparing the function of each pair of homologous structures.  Female St...

A: Reproductive system includes the system of organs and parts which function in reproduction consistin...

Q: Describe the contents of a prototypical cell.

A: Life's basic unit on the parameters of structure, function and physical aspects is defined as the ce...

Q: Which of the following transfers the weight of the head and body? O a. The vertebrae. O b. The crani...

A: The skeletal system forms the central framework of the body. It consists of all the bones of the bod...

Q: 4)A nurse is caring for a patient with a tumor in the cerebellum. In view of the functions of this p...

A: The brain is the most complex part of the body. It is the one that controls behavior, reaction, moni...

Q: 11,Find the sclera, the tough outer covering of the eye also called the "whites" of the eye. Feel th...

A: The eye is a complex organ present in our body. It is the medium through which we can see the world ...

Q: Describe the reproductive system changes that occur with aging.

A: Introduction: Aging is described as a phenomenon that reduces the healthy cells count in the body. T...

Q: What type of joint movement is used to shut off a lamp light? What type of joint movement is used to...

A: The musculoskeletal system is made up of the body's bones (the skeleton), muscles, cartilage, tendon...

Q: Vagal stimulation increases:     A. Heart rate.   B. Stroke volume.   C. Sympathetic ton...

A: Cranial nerves are paired nerves that arise form the brain. The vagus nerves are the tenth pair of c...

Q: Write 3 of the causes of hyperglycemia and explain.

A: Diabetes is a disease characterized by high blood sugar levels due to insulin deficiency or increase...

Q: A Section of a Gene CTA AAA TAG TCT For the DNA sequence shown above, identify the following: mRNA ...

A: DNA( deoxyribonucleic acid) is a molecule composed of two polynucleotide chains that coil around eac...

Q: Parts of the sphenoid bone include the ________.a. sella turcicab. squamous portionc. glabellad. zyg...

A: The sphenoid bone is a butterfly or bat-shaped unpaired bone of the cranium which contributes to the...

Q: Question 12 Where does transcription occur in prokaryotic cells?     a in the nucleus ...

A: The central dogma of molecular biology explains the flow of genetic information, from deoxyribonucle...

Q: What is the point of dividing the coelom into the thoracic and abdominal cavities? Why would a singl...

A: A body cavity is a fluid-filled space inside the body that protects internal organs and are separate...

Q: Describe the organization of cerebral white matter and indicate the function of each major group of ...

A: The nervous system comprises a group of neurons that coordinates body functions. It comprises the ce...

Q: Define vellus

A: Vellus can be define as kind of a soft hair whose length is of approximately 2 mm. Hair is mainly ma...

Q: What is the Microstrobilus (male cone) of bread palm?

A: Cycads are an ancient seed plants with a crown of large compound leaves and a stout trunk and are a ...

Q: list the functions of the lymphatic system;

A: The lymphatic system is a network of lymphatic vessels and secondary lymphoid organs that runs along...

Q: 23. Now see what the lens can do. Hold the lens up in the direction of your partner and look through...

A: The lens is adaptable and its curvature is governed by ciliary muscles through the zonules. By shift...

Q: Hyperventilation leads to Group of answer choices metabolic alkalosis. metabolic acidosis. res...

A: Acid-base balance is the mechanism that helps the body to maintain a neutral pH. This action thus he...

Q: Explain what creates a hydrogen bond, and relate itsimportance.

A: Chemical reaction is a process in which one or more substances, called the reactants, are converted ...

Q: What is hemisphere dominance?

A: The brain consists of the cerebrum, cerebellum and brainstem. It controls most of the activities of ...

Q: Define dendritic spine

A: The nervous system acts through nerve impulses along the axons of the neurons and neurotransmitters ...

Q: During glycolysis there are two hexoses in the pathway. a. What are these two hexoses? b. What are t...

A: Respiration is a metabolic process, in which free energy is released from the oxidation of organic c...

Q: Diverticula may be asymptomatic for years or for a lifetime. Describe, in your own words, why divert...

A: The small, bulging pouches or pockets that can be formed in the gastrointestinal tract's lining with...

Q: 2 Our innate immunity represents defenses that are always ready to respond to pathogens. Give some r...

A: Innate immunity is a nonspecific defense mechanisms that take place within hours of an antigen's app...

Q: A bluish tint to the skin of a fair-haired person is called _______________ and is caused by_____ .

A: Skin is an important constituent of the integumentary system in humans and is composed of various la...

Q: 10)The lobe of the cerebral cortex that is responsible for problem-solving is thea. occipital lobe.b...

A: The cerebrum consists of two cerebral hemispheres the outer layer called the cortex (gray matter) an...

Q: describe how hormones stimulate their target cells

A: Hormones are the chemicals which is secreted by many vital organs of the body .Itis acts on the diff...

Q: Which of the following is primarily responsible for the development of male external sex organs? A. ...

A: The reproductive system of an organism, also known as the genital system, is the biological system m...

Q: Which cell types are associated with spontaneous action potential generation in the absence of an ex...

A: In the human body, the neurons and the muscle cells have the potential of excitability, where they e...

Q: What is the description stem of bread palm? Based on the text.

A: Encephalotros is also known as bread palm because of the starchy bread-like food that is prepared fr...

Q: . In males, the sympathetic nervous system triggers ejaculation and, at the same time, stimulates co...

A: The sympathetic nervous system instructs the body for the “fight or flight” reaction during any poss...

Q: What is the difference between explicit and implicit memories and how do they factor into what becom...

A: The hippocampus is situated in the brain's temporal lobe where episodic memories are formed and usef...

Q: Disorders of the basal ganglia result in A language disorder A cognitive disorder A movement disor...

A: The brain is the integral unit of the central nervous system that concerns the control, coordination...

Q: Explain the purpose of evaluating the fractional excretion (FE) test of electrolytes.

A: The kidneys are a combination of bean-shaped organs on either facet of the spine, below ribs, and be...

Q: The peak rate at which a mammal can produce ATP by aerobic catabolism is known as aerobic capacity O...

A: Catabolism is defined as the enzyme-catalyzed reaction chains, which are used to break down or destr...

Q: Synthesis of which hormone distinguishes the follicular granulosa from luteal phase granulosa-lutein...

A: The female reproductive system is made up of internal organs and external structures. Its function i...

Q: Define cytotoxic reaction

A: The term ‘complement’ was coined by Paul Ehrlich, defined as “the activity of blood serum that compl...

Q: Is endocytosis a type of active transport or passive transport, or neither type of transport? Explai...

A: The plasma membrane represents a selectively permeable player of the cell and they act as an extrace...

Q: Jim is a truck driver who is on the road for long hours. He admits to eating “unhealthy” foods and o...

A: Heartburn condition can be in the case of acid reflux, where some of the stomach contents travel bac...

Q: Locate the optic nerve. You may find this spot by locating a patch of white goop. This goop is the m...

A: NOTE: Since a picture is not provided, optic nerve is not located as asked in the question.  Optic n...

Q: Identify the structures in Figure . 1 ________________ (bone marking) 2 ________________ (bone) 3 __...

A: 4= MAXILLA 5= MANDIBLE 1= FRONTAL BONE

Q: Several different nucleic acids are involved in the process of getting a protein produced from a gen...

A: Transcription of DNA to mRNA and translation of mRNA to protein forms the central dogma of life. DNA...

Q: The short Okazaki fragments are Select one: a. spliced together by DNA ligase b. glued together by...

A: In molecular biology, DNA replication is the biological process of producing two identical replicas ...

Q: 29) Nonconducting cells in the nervous system area. neurons.b. white matter.c. glial cells.d. none o...

A: The nervous system of the humans is generally classified into central and peripheral nervous system....

Q: Drinking alcohol during pregnancy can lead to fetal alcohol syndrome, a condition that can cause hea...

A: Fetal alcohol syndrome is a condition in a child that results from alcohol exposure during the mothe...