Capillaries within the brain have tight junctions, whereas capillaries within theanterior pituitary and other endocrine glands contain fenestrations, intercellular clefts, and vesicles for transcytosis. Explain how these structural differences are important to the function of the brain and the anterior pituitary.

Q: Explain why ventricular arrhythmias can have serious consequences

A: The heart is the most important component of the circulatory system, as it regulates blood flow. The…

Q: A blockage in the right internal carotid does not necessarily cause a loss of blood supply to the…

A: The carotid arteries are important blood vessels of the neck that deliver the face, neck, and brain…

Q: Fill in the blank:  Baroreceptors (pressoreceptors) located in the walls of the aorta and carotid…

A: Homeostasis is the process by which the different physiological systems of the body coordinate to…

Q: Name the protein secreted by the blood platelets for blood clotting

A: Blood clotting involves the activation of a sequence of factors which are proteins produced mainly…

Q: Name four hormones that cause vasodilation or vasoconstriction ofarterioles, and specify their…

A: The human body is made up of different organs and organ systems. There are 11 different organ…

Q: Describe the mechanisms by which substances enter and leavecapillaries.

A: BASIC INFORMATION  BLOOD VESSELS  These are components of Circulatory system. They have the…

Q: Circle of Willis The circle of Willis is an anastomotic system of arteries at the base of the brain…

A: 1)  Anterior cerebral  artery 2) Middle cerebral artery 3) Posterior inferior cerebellar artery…

Q: Explain what happens to the excess fluid that leaves the capillaries.

A: Step 1 Capillaries are the blood vessels that are very narrow with a diameter of 5-8 µm. It develops…

Q: List three ways in which substances can cross the capillary wall.

A: The exchange of materials from the blood into the tissues present in the capillary is called…

Q: Fill in the blank:  Blood pressure is expressed in units of _______________________.

A: Heart is one of the most important muscular organ of the body that transport blood to the different…

Q: Occasionally during the process of giving birth, a woman may experience alife-threatening…

A: The human body works at a particular set of conditions. The body undergoes many compensatory…

Q: The ANS regulation of blood pressure is involuntary, yet biofeedback techniques enable individuals…

A: ANS stands for the autonomic nervous system. ANS regulates the function of internal organs.

Q: What type of therapy could you take if you had Fragile X syndrome and how does the threapy reduce…

A: Fragile X syndrome/Martin-Bell syndrome Fragile X syndrome (FXS) is syndrome that closely associated…

Q: List all the procoagulant effects of thrombin.

A: Thrombin is a serine protease. The F2 gene encodes it. Thrombin is matured from prothrombin. On…

Q: Describe affect hormones and ions have on heart

A: The activity of the heart is regulated both by the nervous system and the endocrine system. The…

Q: How would “hardening of the arteries” (arteriosclerosis) affect blood pressure? Why?

A: Introduction: Atherosclerosis and arteriosclerosis are often used interchangeably. They both refer…

Q: True or False: An aneurysm can be detected on a sonogram?

A: An aneurysm is a bulge in a blood vessel caused by the weakness in the blood vessel wall.

Q: True or False:   C3b is the insoluble ligand that anchors neutrophils at the site if injury.

A: The immune system is a complicated physiological system comprised of several organs, tissues, and…

Q: The heart of a normally developing human fetus has a hole between the left and right atria. In some…

A: The atrial septal defect or an opening in the wall (septum) between the atria can result in seepage…

Q: How does lovastatin reduce the severity of atherosclerosis?

A:

Q: _____________________ is a peptide hormone released fromheart atrial cells in response to increased…

A: A hormone is a signalling molecule produced by glands that are secreted into the blood stream and…

Q: Describe why a doctor would give a patient that is diagnosed with acute myocardial infarction the…

A: Myocardial infarction is referred to as tissue death of heart muscle or heart attack it occurs when…

Q: Erythropoietin is produced by the ____.   A kidney   B anterior pituitary gland   C red bone…

A: Endocrine glands secrete chemical messengers, which are also called as endocrine hormones. The…

Q: Filtration pores are characteristic of _____capillaries.

A: A capillary is a pipe-like structure that enables the flow of blood and other molecules through it.…

Q: The effect of nitric oxide on blood vessels is to:

A: Nitric oxide is an important chemical found in the our body. They relax the inner muscles of our…

Q: Following a concussion, we see a large influx of:

A: A concussion is very severe disease. It one type of head injury which is temporarily affects brain…

Q: Is a thrombus in the external carotid life-threatening? Why or why not?

A: A thrombus is usually blood clot that forms in a vessel .

Q: What are five histological features of sinusoidal capillaries?

A: Sinusoidal capillaries are also known as discontinuous capillaries. Such capillaries have open-pore…

Q: What are the functions of Leydig cells and why are they located close to the capillaries?

A: Male reproductive system includes testis, vasa deferens, external genital organ and glands…

Q: Explain why the walls of the atria are thinner than those of the ventricles, and why the wall of the…

A: The walls of Artria are thinner than Ventricle because the artria are only receiving chambers…

Q: how would you describe the location of the aneurysm?

A: Distention or thinning of the arterial walls lead to the formation of bulge within the artery…

Q: Which refers to the thickening and hardening of the arteries caused by plaque build-up?…

A: The hardening of the arteries occurs when fat, cholesterol, and other substances build up in the…

Q: The cardiac output is low, but the left side shows hypertrophy. Explain how the cardiac output is…

A: Compensatory mechanism: The purpose of your heart's compensation for heart failure is to keep your…

Q: Patient with cardiopulmonary insufficiency receives 72 hours of daily management of veno-venous…

A: CPT codes are the numerical codes used primarily to identify medical services and procedures…

Q: Atrial fibrillation can be caused by wandering re-entrant circuits.  What does this mean?

A: Introduction Any valve in the heart can be damaged or diseased, resulting in valvular heart disease.…

Q: What are the major compensatory responses to blood loss and which hormones are involved. Describe…

A: Here we have to describe about the major compensatory responses to blood loss.

Q: Describe the arteries and veins that supply and drain the adrenal glands, kidneys, and gonads.

A: Arteries are blood vessels that carry oxygenated blood (oxygen-rich blood) away from the heart to…

Q: High-pressure environments have a profound effect on the cardiopulmonary system. What are they?

A: Cardiopulmonary is a combination of two words that is cardio and pulmonary. Cardio means heart and…

Q: Leukotrienes from damaged tissue cause smooth muscle in local blood vessels to vasodilate (increase…

A: Local hormones are a huge group of signaling molecules that does not circulate within the blood.…

Q: Briefly describe and compare sinusoids and fenestrated capillaries with continuous capillaries. Give…

A: Capillaries are small (3 to 4 µm) blood vessels that connect venules to the arterioles. Capillaries…

Q: _____________ is a peptide hormone released by heart atrial cells in response to increased blood…

A: Peptide hormone is the type of hormone which consists of a longer amino acid chain or proteins.…

Q: How is cardiac hypertrophy harmful

A: Cardiac hypertrophy is the abnormal enlargement, or thickening, of the heart muscle resulting from…

Q: Give reasons why blood flow in the capillaries is slowest among the blood vessels

A: The blood flow in capillaries is slowest among all the other blood vessels like arteries, veins…

Stress

Stress is defined as the feeling of being overwhelmed or unable to cope with emotional or mental pressure. Any event or action that makes a person annoyed, furious, or nervous can trigger it. Chemical changes in the body caused by stress can cause blood pressure, blood sugar levels, and heart rate to rise.