The primary function of the lens of the eye is to:   Question 7 options:   Provide protection across the front of the eye   Adjust the shape of the pupil   Focus the visual image onto the optic disc   Focus the visual image onto the fovea centralis

Q: Define acetylcholinesterase

A: Acetylcholinesterase is a cholinergic enzyme located in the synaptic cleft, particularly in muscles ...

Q: Which of these photoreceptor cells is not correctly matched withits function?a. rods—vision in low l...

A: Eyes  Each eye is a special, fluid filled structure. The wall of the eye consists of three layers : ...

Q: Where are serous and synovial membranes located, and what are their functions?

A: In human anatomy, the serous membrane can be described as the smooth membrane of a thin connective l...

Q: What are the origin, insertion, and nerve supply for Extensor digiti minimi? origin: insertion: nerv...

A: Muscle is one of the four major body tissues which is primarily responsible for the movement in the ...

Q: What portion of the kidney is exquisitely sensitive to blood pressure and oxygen carrying capacity? ...

A: Kidney is responsible for production of urine, and also regulation of blood pressure. Nephrons in ki...

Q: Draw a ventricular-function curve illustrating the Frank-Starling mechanism.

A: FRANK STERLING MECHANISM : given below is the ventricular function curve The figure shows multiple c...

Q: How is the statement that water is transported through the xylem withoutrequiring any input in energ...

A: Xylem is a form of vascular tissue found in plants that transport water and nutrients from the roots...

Q: Which of the following is TRUE:   Question 42 options:   The periosteum is the outermo...

A: The nervous system is made up of the central nervous system and the peripheral nervous system: The b...

Q: Give the brain region for the functions described. 1. Contains vital centers that regulate heartbeat...

A: The central organ of the human nervous system is referred to as the brain. It makes up the central n...

Q: What are the origin, insertion, and nerve supply for Extensor digiti minimi? origin: insertion: nerv...

A: The muscular system of a human body is made up of muscles that are found in various regions of the b...

Q: What role do desmosomes play in the skin?

A: Skin is the largest organ of the body and serves as a barrier for the body against pathogens, UV ray...

Q: All of the following are direct branches of the celiac trunkexcept thea. splenic artery.b. right gas...

A: Arteries are those blood vessels that carry oxygenated blood away from the heart. The coeliac trunk ...

Q: MHC moleculesa. are glycoproteins.b. attach to the plasma membrane.c. have a variable region that ca...

A: MHC MOLECULES  ( e ) all of these are correct MHC ( major histocompatibility complex ) molecules are...

Q: Name the five zones in an epiphyseal plate and thecharacteristics of each.

A: The epiphyseal plate, the area of growth composed of four zones, is where cartilage is formed on the...

Q: Define atrial diastole

A: The cardiac cycle, which occurs during the time lapse between one heartbeat and the next, comprises ...

Q: Explain the structure and function of mucous, serous,cutaneous, and synovial membranes.

A: Introduction: The biological membrane making a physical barrier against foreign substances like micr...

Q: How would decreased diffusion across the arachnoid granulations affect the volume of cerebrospinal f...

A: In anatomy, arachnoid granulations refer to the cerebrospinal fluid-filled protruding structures of ...

Q: The fatty substance that helps protect the axon is calleda. neurotransmitter.b. myelin.c. dendrite.d...

A: Nervous system coordinates and controls the activities of the body. It is divided into two subdivisi...

Q: Define somite

A: Somite can be defined as block-like elements present in the Mesoderm and lie on one of the two sides...

Q: What name is given to all chemical reactions that occur within body cells?

A: Biomolecules refer to the molecules involved in metabolism inside the living organisms. They are cat...

Q: Yellow marrow isa. found mostly in children’s bones.b. found in the epiphyseal plate.c. important fo...

A: Bones are hard and dense connective tissues, which  keeps the body upright and provides a framework ...

Q: Sitting motionless for long periods, as on airline flights, allows blood to pool and clots to form i...

A: Blood clots can sometimes develop in the  legs during long haul flights as the limbs are immobile fo...

Q: Name a hormone secreted by a muscle cell and two hormones secreted by neurons.

A: Hormones can be described as the class of signalling molecules secreted by a series of glands direct...

Q: Define diuretic

A: A diuretic is any substance that promotes diuresis, the increased production of urine. This includes...

Q: Describe the roles of receptor potentials andadaptation.

A: Senses provide information about the body and its environment. There are five major senses: sight, h...

Q: Describe the regulation of chloride ions.

A: Chloride is a negatively charged ion also called as anion. It is required in the body as it is an el...

Q: Define gastrulation

A: The development of the embryo and of the fetus during the gestation period is known as the prenatal ...

Q: Describe how positive and negative selection leads to a population of T cells that react to MHC mole...

A: The immune system is one of the most complex systems present in human beings. It is comparable to th...

Q: Which of the following is FALSE?   Question 26 options:   The choroid layer lies betwe...

A: Sensory organs are the organs that have neurons of specialized types and help us perceive the enviro...

Q: What benefit does the acidic pH of the vagina provide?

A: The internal and external sex organs that function in the development of new offspring make up the f...

Q: Describe the neural controls of respiration.

A: In human physiology, the movement of the oxygen from the environment to the cells and simultaneous m...

Q: Compare and contrast genetic versus phenotypic sex.

A: Heredity is the entirety of all natural forms by which specific characteristics are transmitted from...

Q: Define articular

A: Articulation is the formation of joints.

Q: Describe the process of osmosis.

A: Diffusion is the random movement of molecules along the concentration gradient meaning from an area ...

Q: List key features that distinguish a eukaryotic cell from aprokaryotic cell.

A: The diverse organisms of the world are classified into several groups, depending on their structural...

Q: List the epithelial type that is found (a) lining the lumen of thestomach, (b) lining the oral cavit...

A: Epithelial tissue is a small, continuous layer of cells covering all surfaces of the body. Each orga...

Q: What are the major functions of the thalamus? the hypothalamus?

A: The endocrine system conducts hormones as chemical messengers via ductless glands to their respectiv...

Q: What are the bones called that make up the palm of the hand?

A: The human hand has 27 bones. These 27 bones comprise of  8 bones in the wrist called carpals 5 bon...

Q: What is the genetic code?

A: In a living system, the genetic information is stored in the DNA or RNA molecules of the organism. C...

Q: What are the parts of the larynx: (select more one) A-Ventricles of the larynx B-Vestibule of the l...

A: The larynx (voice box or sound box) is an air passage that connects the pharynx with trachea. It con...

Q: The skin helps regulate body temperature by evaporation of water from the skin. Why do you feel unco...

A: The skin is the largest organ present in the body. It causes the dilation of vessels for heat loss a...

Q: Elsa is an 11-month-old girl. Her parents have brought her to her pediatrician because they have not...

A: White blood cell count

Q: discuss how the body adapts to stress through its endocrineand sympathetic nervous systems.

A: A physical or emotional tension’s feeling that occurs as a reaction to any challenge or demand is ca...

Q: Identify the two regions of the adrenal gland, and list the hormones secreted by each.

A: The endocrine system consists of a group of glands and organs that regulate and control various body...

Q: Compare the deltoid and lateral ligaments of the ankle joint.Which of these ligaments is stronger? W...

A: The lateral ligaments of the ankle, comprised of the anterior talo-fibular ligament  and the posteri...

Q: Define cilium (plural, cilia)

A: Cilia can be defined as the type of microscopic hair-like protuberance present in eukaryotic cells. ...

Q: What is circulation?

A: The cardiovascular system consists of the heart, the blood vessels and the blood. The heart is a hol...

Q: ou just received the properly labeled blood bank specimen on patient Aran Stark. You decide to colle...

A: Antibodies are antigen binding glycoproteins that are synthesized exclusively by B-cells. Each antib...

Q: Why is meiosis important in sexually reproducingorganisms?

A: Meiosis can be defined as a cell division in which daughter cells' comprises half the number of chro...

Q: Aldersterone: A) Targets the liver to utilize glucagon thus increasing blood glucose B) Targets ...

A: Hormones are chemical messengers which are secreted by endocrine glands and transported through the ...