Which of the following results from a prolonged refractory period in cardiac muscle? Select one: O a. Complete tetanus O b. Atrial flutter c. Full relaxation of the heart, allowing it to refill adequately with blood. o d. Increased heart rate e. Summation

Q: Let's go back to Aristotle's notion of the human body! There are many given words at the bottom part...

A: Aristotle was a Greek philosopher who was known for his important contributions in the field of scie...

Q: Which type of hormone receptor—plasma membrane bound or intracellular—would be expected to provide t...

A: The chemical secretions that are secreted from the glands of the endocrine system to function as mes...

Q: The cell body of a mature neuron does not containa. a nucleus.b. ribosomes.c. a centriole.d. mitocho...

A: a) Neuronal cell body does have a nucleus, since it constantly needs to synthesize proteins for its ...

Q: A damaged meniscus of the knee would heal best in a/n: O 20-year-old infant 80-year-old O 1-year-old...

A: The meniscus is a shock-absorbing cartilage in the knee. It can tear; often these painful injuries a...

Q: Write the singular form of each of the following words: pleurae, gyri, ganglia, fissures. Write the ...

A: Human anatomy refers to the branch of biology that deals with the study of various structures of the...

Q: What are the characteristics of collagen and elastin?

A: The extracellular matrix(ECM) plays a major role in binding different cells together. It is composed...

Q: Explain the regulation of blood pressure and it's importance.

A: Blood pressure is the pressure exerted in the lateral wall of the arteries and arterioles.  This hel...

Q: Why is the shoulder joint considered the most mobile and at the same time the most unstable joint in...

A: Introduction: Joint is defined as the junction between two or more bones or cartilages and permits m...

Q: How is the liver affected by someone who has anorexia nervosa?

A: Different body organs work in a coordinated manner. The working of organs maintains optimum body fun...

Q: Which organ system work together to protect you from harmful bacterial?

A: Immune system is the organ's large network which contains antibodies, chemicals, receptors and WBC. ...

Q: Describe three of the differences between the walls of the large and small intestines.

A: The small intestine is responsible for the final breakdown of food from the stomach. It is also resp...

Q: Label the picture  1. Identify the following: A._ ______________ B._ _____________

A: The exchange of the oxygen and carbon dioxide takes place in the alveoli. The oxygen which is inhale...

Q: The shape of the nose is maintained by elastic cartilage fibrocartilage hyaline cartilage adipose ti...

A: Cartilage is a kind of rigid connective tissue which impart structural sustainability to the body ju...

Q: A drug that affects both divisions of the autonomic system is going to bind to, or block, which type...

A: In the body, the involuntary body functions are mediated by a part of the peripheral nervous system ...

Q: Where would you expect to find a high concentration of Merkel discs and other tactile corpuscles? Wh...

A: Skin is defined as the largest and softest organ of the body where it is very flexible and covers th...

Q: A patient reports to a gastroenterologist with complaints of excess gas, diarrhea, and bloating afte...

A: Gastroenterology is the special branch of medicine that deals with diseases concerning the digestive...

Q: All of the following cranial nerves carry parasympatheticpreganglionic nerve axons excepta. CN III (...

A: The parasympathetic nervous system is a division of the Autonomic Nervous System which upon activati...

Q: A 'pulse deficit' (A) is determined by subtracting the value of the apical pulse from the radial p...

A: The difference in number of pulses or beats between the  heart and the number of beats of the pulse ...

Q: How do G actin, F actin, tropomyosin, and troponincombine to form an actin myofilament? Name the ion...

A: Muscles contraction involves the muscle fibers which are made up of actin and myosin protein. These ...

Q: of answer choices a.Iris functions to refract (bend) light before it reaches the lens b.Sclera funct...

A: The vision is possible through the eye. The sclera forms the outer covering of the eyeball which is ...

Q: Given that touch receptors are not uniformly distributed on the body surface, name two sites where t...

A: Five senses are known. These are touch, sight, hearing, smell, and taste.  For these senses, recepto...

Q: Which of the following neurotransmitters is associated with inhibition exclusively?a. GABAb. acetylc...

A: Neurotransmitters are liable for sending the messages starting with one neuron then onto the next. W...

Q: The functional unit of the kidney is called a(an) ______________.

A: These units cause the conversion of the waste products present in the blood into the urine.  The mai...

Q: Describe 2 lifestyle changes that could reduce the stress in our lives

A: The healthy being of a human body refers to both physical and mental fitness. Physical fitness is ba...

Q: Which category of touch receptor would likely provide the least amount of useful information in very...

A: Touch receptors are essentially sensory neurons. They are located beneath the skin surface and compr...

Q: The lymphatic trunks that drain the head and neck are called the ____________ trunks

A: Lymph in Latin means water, and it can be defined as the fluid that carries oxygen and nutrients for...

Q: During digestion, the concentration of hydrogen ions (H+) in the stomach rises to many times that wi...

A: Introduction: The substances are transported inside and outside the cell membrane. Some of the subst...

Q: Categorize movements as gliding, angular, circular,special, or a combination of types.

A: Movements that are produced at the movable joints called the synovial joints can be categorized base...

Q: In detail describe importance of heart.

A: The human heart is a muscular fist-sized internal organ. Blood circulation and the function of the h...

Q: Why does dripping sweat not cool the body down?

A: Sweating is vital for the body since it helps in regulating the temperature and one’s overall health...

Q: 2. Salivary amylase, an enzyme in saliva that breaks down starch, has an optimal pH of 6.7-7.0. Expl...

A: -The mechanical and chemical digestion of carbohydrates (Starch) begins from mouth. - The masticatio...

Q: If a physician makes an incision into a body cavity justsuperior to the diaphragm and inferior to th...

A: In the animal body, the presence of a compartment or potential space for the appropriate accommodati...

Q: Name the five major functions of the skeletal system.

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

Q: What are the five roles that proteins can play as part of the plasma membrane?

A: The plasma membrane is the physical and chemical barrier, responsible for separating the intracellul...

Q: Describe three major types of connective tissue cells.

A: Tissues are those that are made of a group of cells joined together to perform specific functions. T...

Q: Make a concept map about the structure and functions of the Muscular System

A: The muscular system is the body's organ system that consists of skeletal, cardiac, and smooth muscle...

Q: Why is an extreme change in pH of body fluids undesirable?

A: PH is defined as the potential of hydrogen which helps in measuring the concentration of hydrogen io...

Q: P450 scc (cholesterol esterase) is an enzyme found in the mitochondria (converts cholesterol to preg...

A: Cholesterol side-chain cleavage enzyme (cholesterol esterase) is referred to as P450scc, where scc r...

Q: Pulmonary ventilation whereby air is moved in and out of the lungs which of the following is true? A...

A: Respiration is a biological process where oxygen-rich(for metabolism) air is inhaled from the atmosp...

Q: What are the bone changes on a macro and cellular level

A: Bones are the source of structural support for the body. They comprise calcium and specialized bone ...

Q: Please write and describe common foot deformities. Mention about the biomechanical disadvantages and...

A: The skeletal system of an organism is composed of bones and the associate structures that aid in the...

Q: Name the antigens present on the RBCs and the antibodies present in plasma of each blood type. Antig...

A: Under anatomy cells have different molecules and receptors which forms the body system.  The ABO sys...

Q: All of the tissues and cells in our body have antigens in their cell membranes. Our immune system ca...

A: Immunity is the ability of the body to protect itself from invading pathogens. Immunity is of two ty...

Q: T and B lymphocytes ________.a. are polymorphonuclearb. are involved with specific immune functionc....

A: The immune system is one of the body’s organ system that functions to prevent the entry and spread o...

Q: Mr. Grover suffers from the periodic inability to achieve an erection. His doctor could find no stru...

A: Introduction: The male's reproductive tract comprises of glands along with their ducts and supportin...

Q: Explain why IgM has a stronger power of agglutination than antibodies of any other class.

A: Immunoglobulin M (IgM) is the third most common serum immunoglobulin. It is regarded as the largest ...

Q: Question: The patient complained of pyrosis after heavy meals. Define this term?

A: Introduction: The digestive system comprises various organs that aid in the digestion of food and ab...

Q: Material leaving the ascending colon next enters thea. cecum.b. descending colon.c. sigmoid colon.d....

A: The large intestine is the last part of the gastrointestinal tract. It is also known as the large bo...

Q: 29. Willy is allergic to ragweed pollen and tells you that he read about a medication that can help ...

A: Humans have immune systems that defend the body from disease-causing microorganisms. The first line ...

Q: Mark the following statements as true or false. If a statement is false, correct it to make a true s...

A: The cell is the basic unit of structure and function of living organisms. The bodies of all living b...