MHC class I proteins: present endogenous antigens to the immune system   both are on all nucleated cells and present endogenous antigens to the immune system   are on all nucleated cells

Q: True or false? Labeled B only

A:    Endocrine system has ductless glands that secrete chemical messengers called hormones that circul...

Q: Explain the various characteristics of a stimulus that sensory receptors provide to the CNS.

A: The sensory receptors are the nerves that are stimulated by a physical stimulus and they create a ne...

Q: Be familiar with homeostatic imbalance

A:     Our body is comprised of many different organ systems which has individual functions to perform....

Q: The reflex arc is the fastest way the body has to move a body part from danger or away from the sour...

A: A reflex or reflex action is an involuntary movement in response to a stimulus. It is made possible ...

Q: When do we usually observe changes in common secondary sexual male and female characteristics for ma...

A: Secondary sexual characteristics are the phenotypic changes which occur in a male or females but are...

Q: Define circumduction

A: Synovial joints are those that gain movement at the point of contact of the articulating bones. They...

Q: Why were the finishing times of endurance events rather slow at the 1968 Olympics, held in 2,200-met...

A: In aerobic respiration, oxygen is the terminal electron acceptor and thus oxygen is very essential f...

Q: Palpate two of your laryngeal cartilages and name them.Name the ones that cannot be palpated on a li...

A: The larynx constituted of a bracket of cartilage with surrounding soft tissue. The most notable piec...

Q: Select the best answer or answers from the choices given: Medullary chromaffin cells are found in th...

A: Endocrine glands function to synthesize and secrete chemical messengers called hormones. These gland...

Q: Which naive cell type gives rise to cells that direct the adaptive immune response? CD8 cells CD4...

A: Thymus lymphocytes (T cells) are one of the major components of the adaptive immune system. There ar...

Q: If a thermoreceptor is sensitive to temperature sensations, what would a chemoreceptor be sensitive ...

A: In physiology, a receptor means a structure, which, when given a stimulus from the environment, prod...

Q: Draw two fungal pathogens by making slides, and also write its morphological characterization.

A: Fungal pathogens as the name suggests it can cause skin infection based on which fungal pathogen has...

Q: Which type of embryonic tissue develops into nephrons?

A: The structural and functional unit of the excretory system's organ called the kidneys that comprise ...

Q: Explain the relationship between threshold potential and an action potential.

A: An action potential can be defined as the phenomenon when there occurs at excitation of the nerve or...

Q: All of the following statements correctly describe a polarized membrane EXCEPT which? a. There is...

A: At rest, there is a voltage difference across the membrane of the cells called resting membrane pote...

Q: Which of the following statements does NOT correctly describe the repolarization of a neuron? a. ...

A: Repolarization is basically the restoration of membrane potential , following depolarization. It is ...

Q: A stimulus causes a change in permeability of neural membranes, which begins the process of transmit...

A: An action potential is referred to as a sudden, quick, transient, and propagating change of the rest...

Q: A. Directions: Identify the nail shapes by distinguishing its characteristics. Choose the answer pro...

A: The shape of nails can be modified by filing and rounding to give various types of shapes. These sha...

Q: conduction system of the heart regulates the electrical impulses

A: The heart is an organ that is composed of muscle tissue where the heart requires energy and oxygen i...

Q: The form of thyroid hormone most active at tissues is. T3    T4

A:    Thyroid hormones play important role in the regulation of basal metabolic rate by stimulating the...

Q: 7.What brain centers have major roles in controlling movement, and what are these roles?

A: The human brain is the main part of the central nervous system and weighs around one to two kilogram...

Q: How are neurons similar to other cells? How are they unique?

A: Neurons contain organelles, nucleus, mitochondria like all other cells. They also carry out basic ce...

Q: You find an elderly diabetic patient unconscious and perform a quick blood analysis to find her bloo...

A: Diabetes mellitus is a metabolic disease that occurs when body does not produce insulin or unable to...

Q: Distinguish between neurons and neuroglia on the basis of structure and function.

A: Neurons are the cells of the nervous system's primary structural and functional components. In contr...

Q: what is the sural region to the coxal region

A: The regional terms are used to describe the parts of body based on the structures and functions of a...

Q: a. What is the composition of the cerebrospinal fluid (CSF)? b. Where is the CSF formed? c. What are...

A: The brain and spinal cord form the central nervous system and involve in controlling all the activit...

Q: Explain the synthesis of the leading and lagging strands during DNA replication, and identify the en...

A: The biological process that s necessary for the inheritance of characteristics is referred to as DNA...

Q: Define cornea

A: The cornea can be defined as the transparent portion of the eye which is present at the front. It is...

Q: Why is it necessary for enzymes that digest protein to be secreted in an inactive form?

A: Enzymes are the biocatalysts which are used in reaction which catalyzes the reaction.  The enzymes r...

Q: What is the study of the structure of body parts and their relationships to one another

A: The suffix "logy" is appended to a root word to indicate the study of something. Example: Biology is...

Q: Select the best answer or answers from the choices given: A hormone not involved in glucose metaboli...

A: Glucose metabolism refers to the different pathways involved in regulating the level of glucose in t...

Q: What are the different structures that comprise a cell? Describe the different roles, functions, and...

A: Cells are defined as the basic structural and functional unit of all living organisms. These cells r...

Q: 4. Which of the following statements accurately compares two of the types of chordae tendineae? a. T...

A: The heart is a largely muscularized, involuntary (uncontrolled) bodily organ. It has four compartmen...

Q: Write the name of the structure that the phrase describes.Process that produces haploid sperm from d...

A: The process of the formation of haploid sperm from a diploid stem cell is known as spermatogenesis. ...

Q: 1.What are the major divisions of the nervous system? What are their major functions?

A:     Our body is comprised of many different organ systems which has individual functions to perform....

Q: Which causes vasodilation during the inflammatory response? both histamine and heparin histamine ...

A: The immune system of the body is responsible for fighting the infections in the body and providing t...

Q: The postabsorptive state relies on stores of ________ in the ________. a. insulin; pancreas b. gluca...

A: After a meal, there is a sufficient supply of carbohydrate and the metabolic energy for most tissues...

Q: How did how human evolution come?

A: Human evolution is the process by which the fully evolved and modern humans are developed from the b...

Q: As early as the 1930s, it was known that frog muscles could still contract when glycolysis was inhib...

A: We know that the energy generated in the metabolic process is usually stored in the high energy mole...

Q: A Match the following: Joint cavity * Articular B Orgar cartilages * Fibrous capsule * Synovial memb...

A: A joint is the articulation or juncture between two bones.  They help in the movement of bones. They...

Q: Which of the following is NOT a reason why a reflex arc is faster than a normal nerve transmission? ...

A: A reflex or reflex action is an involuntary movement in response to a stimulus. It is made possible ...

Q: Excitatory neurotransmitters open up some sodium ion channels in the postsynaptic dendrite.  This al...

A: Depolarization of membrane potential excites the neurons. Depolarization refers to the change in mem...

Q: Define transudate

A: The transudate is a fluid that passes through a membrane, that filters out all the cells and almost ...

Q: i got this wrong but i want to use it to study please help

A: The brain is the part of the human body responsible for controlling its overall functions. The brain...

Q: what is the deltoid region to the antebrachial region

A: The directional terms are utilized to indicate the location of the specific body part with respect t...

Q: Skin Spinal cord 2 A neuron was isolated from structure number 3 in the diagram above. When comparin...

A: The specialized cells which make up the nervous system are the neurons and the glial cell. The neuro...

Q: Question attached

A: Green chemistry is the branch of chemistry which deals with the reduction of the harmful effect of c...

Q: Rigor

A: A few hours after the demise of a living organism, the joints of the body become stiff and locked in...

Q: The term histology is most nearly equivalent to: a. histopathology. b. microscopic anatomy. c. cytol...

A: Anatomy can be described as a science which deals with the study of the internal structure of an org...

Q: The medullary cavity of a child’s bone may contain:- a. red bone marrow.  b. hyaline cartilage.  c. ...

A: A medullary cavity can be defined as a central cavity that is present in the bone shafts. Bone shaft...