Arthropod muscle fibers typically do not generate action potentials. Using your knowledge of their innervation, explain how their contractile elements are activated in a rapid and coordinated fashion.

Q: List and describe the connective tissue components ofskeletal muscle.

A: It is a type of striated muscle tissue that is controlled by the somatic nervous system on a volunta...

Q: Describe the characteristics of life.

A: Characteristics of Life: Order: Organisms are categorized as multicellular structures that are cons...

Q: Pancreatic juice ________.a. deactivates bile.b. is secreted by pancreatic islet cells.c. buffers ch...

A: Pancreatic juice is a liquid substance secreted by the pancreas. This liquid contains different type...

Q: What is meant by a “tonotopic map”? a. Each location in the auditory cortex responds to a preferred ...

A: Sound waves are waves that have the ability to travel through air and water. The auditory system is ...

Q: What types of hormones does the hypothalamus secrete toregulate the functioning of the anterior pitu...

A: The human endocrine system is one of the major body systems that is responsible for controlling the ...

Q: A girl’s interest in boys’ toys correlates positively with which of the following? a. The size of he...

A: The sexual behavior of humans have been classified differently for males and females. If one doe not...

Q: In metabolism, glucose-6- phosphate (G6P) can be used for glycogen synthesis or for glycolysis, amon...

A: Glycolysis is the metabolic process that is used to convert glucose into pyruvate. It occurs in the ...

Q: Discuss how mechanical stress affects bone remodelingand bone strength.

A: Bone is an inflexible body tissue consisting of cells implanted in an abundant hard inter cellular m...

Q: A 50-year old man is brought to the emergency department. For the last several days he has had fatig...

A: Lungs are the organs which come under the respiratory system.These are situated in the thoracic cavi...

Q: Muscles in unfused/incomplete tetanus reach maximum tension while relaxing slightly between stimuli....

A: Tetanus is a disease caused by a toxin produced by clostridium tetani. It affects the nervous system...

Q: Which two areas of the adult brain have an outside layer of gray matter in addition to central gray ...

A: White matter is the part of brain that has myelinated nerve fibers. Myelin acts as an insulator, whi...

Q: Lung model with heart, larynx and diaphragm Identify the following structures with the help of your ...

A: The heart and lungs are found in the chest cavity. The heart functions to pump blood from the body t...

Q: Kevin’s big toe extended upward when the sole of his right foot was stroked, but his left big toeins...

A: The plantar reflex is a kind of spinal reflex that serves to protect the sole of the foot. The abnor...

Q: Describe the four types of neurons according to the number of their processes and explain the four t...

A: Neurons cells comprise the brain and the nervous system. They are the fundamental units that deliver...

Q: Reverse isolation may be used for a person receiving _______________.

A: Reverse isolation is used to protect you from germs when your immune system is not working properly....

Q: Why is the secretion of intrinsic factor one of the most important functions of the gastric mucosa? ...

A: The digestive system, also known as the gastrointestinal tract, comprises the tract formed by organs...

Q: Why is the secretion of intrinsic factor one of the most important functions of the gastric mucosa? ...

A: The gastric mucosa is the mucosal membrane of the stomach and is approximately 1 mm thick in humans....

Q: State at least three reasons why a person’s phenotypecan’t always be determined from the genotype.

A: The phenotype of an individual is the physical traits observed in the body such as the color of skin...

Q: Describe the sensory layer of the eye. (easy, small and simple)

A: The eye is a sense organ that helps the organism to see. It is also called an organ of sight. It com...

Q: Consider hunger and satiety. A mutation that stimulates an overproduction of leptin by adipocytes is...

A: Leptin is a peptide hormone that has 145 amino acid residues. It is encoded by the obese (ob) gene. ...

Q: Explain how adult connective tissue is classified

A: Connective tissue connects, separates and supports all other tissues in the body; it comprises cells...

Q: Cerebrospinal fluid flows in the space between the: arachnoid and pia mater dura mater and pia mater...

A: The human nervous system is the most complex system that is made of brain and the nerves that runs a...

Q: CASE #1 A male patient, 56 years old was admitted to the hospital following complaints of severe gas...

A: A blood group is the classification of blood on the basis of presence of antigenic determinants on t...

Q: What is the Control of Muscle Tension?

A: The formation of actin-myosin cross-bridges is triggered by neural control, resulting in sarcomere s...

Q: Which hormone is antagonistic to parathyroid hormone?a. thyroid hormoneb. insulinc. calcitonind. nor...

A: Hormones are chemical messengers in your body. They make their way through your bloodstream to tissu...

Q: Mumps is a viral infection. The primary symptom of mumps is visible swelling of the parotid gland on...

A: Reproduction is defined as the process in which an offspring is produced from their parents. Given t...

Q: Describe the location of each of the following bone features: (a) lesser trochanter, (b) intercondyl...

A: There are bones have structures with some of the combination of bumps, ridges, projections, depressi...

Q: What is family life cycle?

A: The family life cycle is described as the emotional and social phases that a person may go through f...

Q: Describe the stimulus for release, the target tissue, and the effect of catecholamines.

A: Catecholamine is referred to as the aromatic amines, which includes neurotransmitters adrenaline and...

Q: Explain three (3) signs and symptoms that may be seen in diabetes. (easy and simple)

A: Diabetes is a disorder and not a disease, it is not cured, but has to be managed because the body do...

Q: Describe the creation of an action potential and explainhow it is propagated.

A: An action potential is an immediate increase and subsequent fall in membrane potential across a cell...

Q: Describe macro and microscopic anatomy of both types of skin?

A: Physiology is the branch of biological sciences dealing with the life phenomena exhibited by all liv...

Q: The ______, a network of veins in the spermatic cord, helps keep the testes cooler thanthe core body...

A: The testes are maintained at a temperature about four degrees celsius lower than the body temperatur...

Q: A first-year college student shows up at the emergency room complaining of a sore neck, severe heada...

A: Meningitis happens when the membranes, or meninges, around the spinal cord and brain become swollen ...

Q: | 20 Regarding joints of the body which one is FALSE A. The sutures of the skull are fibrous joint В...

A: D is false The knee joint is cartilaginous joint

Q: How is energy stored in chemical bonds and in ATP?

A: Energy, potential energy, is stored in the covalent bonds holding atoms together in the form of mole...

Q: Define peripheral nervous system.

A: According to biology, an animal's nervous system is a highly complex part of its body that transmits...

Q: List the major blood vessels and their origins involved in coronary circulation. (ii) At what stage ...

A: Heart, a muscular blood-pumping organ that is located in the thoracic cavity. It consists of four-ch...

Q: S.S. is a 54 year-old college professor who maintains a healthy lifestyle. He exercises regularly, d...

A: Aldosterone is a steroid hormone secreted by the adrenal glands which is responsible for maintaining...

Q: Explain the structural classification of the nervous system. (easy and simple)

A: The nervous system is basically a complex network of neurons whose main function is to generate and ...

Q: Pressure is greater in perpherial veins than central veins?

A: The pressure in the peripheral veins, which drain blood into the central veins from the peripheral b...

Q: A nurse evaluates the situation of three patients. The first one has damage to the adrenal glands, t...

A: The endocrine system is one of the major systems in our body which helps with functions like regulat...

Q: Could a person with type B- blood safely receive a blood transfusion of B+ blood? YES/NO

A: There are blood types, that are determined by the presence or absence of particular antigens found o...

Q: Differentiate the two types of synapses and explain it in long explanation

A:  A structure formed between two neurons or a neuron and a target effector cell that allows the neuro...

Q: Look at the figure below and you will notice that cellular contents are being released at the plasma...

A: Membrane transport involves the process of transport of molecules from the exterior to the cell's in...

Q: A 50-year old man is brought to the emergency department. For the last several days he has had fatig...

A: Chest radiograph refers to the projection radiograph that helps in the diagnosis of infection or dis...

Q: Identify the various planes in which a body or body part might be dissected, and describe the appear...

A: There are three planes commonly used; sagittal, coronal and transverse. Sagittal plane – a vertical...

Q: Equipped with the knowledge about the effects of endocrine disruptors and estrogen, would you recomm...

A: The endocrine disruptors are referred to as the chemicals   that may cause developmental, reproducti...

Q: Differentiate between peripheral thermoreceptors) and the other central thermoreceptors?

A: A receptive portion of the sensory neuron that senses relative and absolute temperature changes is c...

Q: The outermost layer of the skin is the a. epidermis. b. dermis. c. hypodermis.

A: With a gross size of around 20 square feet, the skin is the body's largest organ. The skin protects ...