Chapter 19- The Cardiovascular System: The Blood 1) Which of the following is NOT function of blood? A) transports nutrients‚ wastes and gases B) regulates pH C) defends against infection D) promote blood loss E) distribute heat 2) Which of the following is correct? A) A 100 lb (45 Kg) woman will have about 8 lb (3.6 Kg) of blood. B) Most adult humans have between 4 and 6 L of blood‚ depending on their size. C) Normal blood is less viscous than water and has a neutral pH. D) A and
Premium Blood Heart Blood vessel
any site of injury‚ these platelets send out chemical signals to other platelets to pile onto the clot formed in a process known as aggregation. Having too many platelets can cause blood clots which may cause a heart attack‚ stroke or block a major artery. If you have too few or no platelets can be dangerous too because any slight injury can lead to serious blood loss. An example of platelet disorder is
Premium Blood Immune system Heart
Investigating arteries and veins Aim: How far the artery and vein can stretch when different masses are hanged from them. Hypothesis: I predict that the heavier the mass the more likely it is to stretch the artery and vein further‚ eventually causing it to break apart. In addition the vein will stretch further than the artery when given the same mass. This is because arteries are much larger‚ muscular and more elastic than the veins‚ as they carry high pressure blood. Veins do not transport
Premium Blood Heart Vein
A stroke is when the flow of oxygen-rich blood to a portion of the brain is blocked. Without oxygen‚ brain cells start to die after a few minutes. Sudden bleeding in the brain also can cause a stroke if it damages brain cells (What is a Stroke‚ 2016). Strokes or Cerebrovascular accidents (CVA) are the fourth leading cause of death in America‚ accounting for five percent of deaths killing over 128‚000 people per year (Kochanek‚ 2016). Over 20‚000 more women than men suffer from CVA (Alan‚ 2013) and
Premium Myocardial infarction Hypertension Heart
Extra Credit Assignment A: Terms 1 – 20 1.) Peripheral artery disease (PAD) is similar to coronary artery disease (CAD). PAD is a problem in the circulatory system where your arteries become narrow which leads to less blood flow to your limbs. PAD develops in your extremities‚ more commonly your legs‚ which can make walking become painful‚ also known as claudication. 2.) Aortic valve stenosis (AVS) is when the aortic valve‚ which is between the aorta and left ventricle of the heart‚ becomes narrow
Premium Heart Myocardial infarction
This concept was taken from module 5 "assessing problems related to cardiovascular assessment"‚ sub topic 1" assessment of the heart". According to statistics from world health organization‚ 20 million people died from heart related problems in 2015. This population records that half of this people fall under the age of 50 and 25% under the age of 40. The heart is a hollow muscular organ which is situated in the thoracic cavity. It is located between the lungs in the middle of the chest. The heart
Premium Heart Blood Cardiology
NATIONAL CENTERR FORR CA NA C SE STUDDY TEACH CHIN IN NG IN SCI CIEN ENCCE EN I’ve Fallen Over and I Can’t Get Up by Ashley L. Madern‚ Michael D. Hood‚ Jeffrey C. Paul‚ Jr.‚ and Philip J. Stephens Department of Biology‚ Villanova University‚ Villanova‚ PA Part I – Children Playing in the Heat The summer of 1985 turned out to be the hottest on record for Tulsa‚ Oklahoma‚ and that day in July was one of the hottest. Two boys were playing outside while their mothers were inside preparing lunch for
Premium Blood Artery Blood pressure
This essay will examine the biopsychosocial issues that have influenced the perceptions of the health and well being of a patient I have nursed during a recent clinical placement. For the purpose of this essay the name of this patient has been changed to protect his anonymity as well as to be compliant with the Nursing Midwifery Council Professional Code of Conduct (NMC 2008) regarding confidentiality. The patient‚ who will be known as William‚ is 62 years of age and has a venous leg ulcer to his
Premium Vein Blood Cardiovascular system
1 Chapter 1 INTRODUCTION Alcohol drinking has been practiced in the majority of human society since early times. Alcohol (ethyl alcohol) is a drug which acts principally as a depressant on central nervous system. Its effects on behavior are well known and regular use gives rise to an increased tolerance‚ so that the drinker needs to take gradually increasing amounts to obtain the same effect. Chronic excessive alcohol consumption leads to life threatening hazards (Best‚ 1999). Alcohol related diseases
Premium Autonomic nervous system Parasympathetic nervous system Blood pressure
Coronary artery bypass graft surgery (CABG) is an advance surgical method meant for treating coronary heart diseases or CHD. In coronary artery bypass surgery‚ healthy veins or arteries from different parts of the body are grafted around the heart or onto the blocked aorta. These grafted portions bypass the blocked areas of the artery and thus create a new route for the blood to reach the heart. Coronary artery bypass graft surgery or CABG is one of the most popular open heart surgery methods performed
Premium