Why is intrapleural pressure always negative?

Q: What are the common long-term sequelae of stroke, and how are they managed?

A: A stroke happens when the blood supply to a piece of your cerebrum is hindered or diminished,…

Q: What areas of the brain are supplied by the MIDDLE CEREBRAL ARTERY?

A: The middle arteria is that the largest branch of the inner arteria. The artery provides a little…

Q: What are the origin, insertion, and nerve supply for Buccinator? origin: insertion: nerve supply:

A: The buccinator is a muscle that is present in the face in the cheek area. This muscle shaped as a…

Q: What heart shape form of prothallus represents?

A: Fern is a member of vascular plant. They have both xylem and phloem. They reproduce via spores. They…

Q: What is the most common site for checking the pulse in adults? A) Carotid artery B) Brachial artery…

A: The pulse is a tactile arterial palpation of the heartbeat. When arteries are near to the skin and…

Q: Define parotid gland

A: There are three pairs of major salivary glands: the parotid glands, the submandibular glands, and…

Q: State some functions of epipharynx.

A: The labrum is one of the parts of the insect's mouth along with mandibles, maxillae, hypopharynx,…

Q: How does the cerebral arterial circle ensure that the brain has a constant supply of blood?

A: The cerebral arterial circle refers to the ring-like composition of arteries that encircle the…

Q: What is the basis for vertebral artery vascular insufficiency?

A: Vertebral artery vascular insufficiency disease is the disease of the blood arterial system. Carotid…

Q: Where are the autorhythmic cells located/ List its function?

A: 1. Pacemaker Potential• An Autorhythmic cell has the unique ability to depolarize spontaneously,…

Q: Describe the function of the chordae tendineae and the papillary muscles.

A: Introduction  Heart is highly muscular in nature, it composed of smooth cardiac muscles which are…

Q: Does Cigarette Smoking Affect theHeart?

A: The lungs and the heart are responsible for the supply of oxygenated blood in the body. The pair of…

Q: Does a change in body position from supine to standing cause a change in pulse?

A: The hydrostatic pressure exerted against the walls of blood vessels by blood flow is known as Blood…

Q: Define haversian canal

A: Osteocyte- The most common cells found in mature bone tissue. These are shaped like oblate; having…

Q: Give the location of the transverse jugular anastomosis?

A: Anastomois refers to a surgically made connection between the neighboring blood vessels, parts of…

Q: What changes can be noticed in the heart sounds in the exercise period?

A: The heart produces four sounds two of them are lub and dub. The two other sounds produce…

Q: Why when standing up may you feel faint?

A: A temporary loss of consciousness lead to a minimized flow of blood to the brain; a swoon: to make…

Q: What is power stroke?

A: The biological cells possess three movement types. These are muscular, amoeboid, and ciliary. The…

Q: What is the function of lamina propria?

A: Lamina propria forms one of the three layers of the mucosal membrane is a thin, connective tissue…

Q: What is diastolic dysfunction?

A: The term diastole refers to cardiac cycle. The cycle represents the performance of the heart of…

Q: What is excitotoxicity?

A: Millions of neurons communicate with one another via electrical impulses in the brain tissue. When a…

Q: Accurately record and report vital sign measurements ?

A: Vital signs indicate the health condition of the body. Vital signs can be measured at home or in the…

Q: What prevents blood from flowing back into the ventricles whenthey relax?

A: The human heart is situated in the middle of the thoracic cavity in a space called the mediastinum.…

Q: What factors stimulate venoconstriction?

A: Vasoconstriction reduces the volume or space inside affected blood vessels. When blood vessel volume…

Q: Where is the coronary sulcus located?

A: The heart is made up of 4 chambers that are divided into - the Auricles and the Ventricles (Right…

Q: Which of the following is considered to produce the most severe increases in intracranial pressure?…

A: Hemorrhagic stroke is brought about by abrupt bleeding from a blood vessels inside the brain or in…

Q: what is the stages in the development of an atheroma.

A: Atheroma The walls of arteries are degenerated by the accumulation of fatty acid deposits and scar…

Q: Name the artery that can be palpated between the tendons of the flexor carpi radialis and the…

A: The fluid in the body that delivers oxygen and nutrients to the cells, as well as removes metabolic…

Q: How does digitalis result in an increased contractile force of cardiac muscle?

A: The muscular system consists of three types- Smooth muscle Skeletal muscle Cardiac muscle Cardiac…

Q: What does the intrapleural pressure prevent under normal circumstances?

A: Lungs are the main organs of gas exchange in humans.

Q: Why might exercising on a very hot day result in fainting?

A: Exercise-related heat exhaustion is a form of heat exhaustion induced by physical activity. It…

Q: Explain cardiopulmonary function in patients with Parkinson's Disease?

A: Parkinson's disease (PD) is a neurological condition that worsens over time and mostly impairs…

Q: how does medication relate to the respiratory and cardiovascular system?

A: The physiological functions of these two systems the respiratory and cardiovascular system are…

Q: What is the mucociliary escalator?  What would the consequences be to a person if it were damaged?

A: In the human respiratory system, there are two zones called the respiratory zone where actual…

Tissue regeneration & repair

Tissue regeneration involves the restoration of tissue components by regrowth of damaged tissues. In contrast, tissue repair involves patching of injured tissue rather than restoring it. It is the proliferative capacity of the cells that decides the amount of regeneration against the repair that would occur in the tissue. Both regeneration and repair depending on the duration of the injury and response to the inflammation.