FREE CCI RCIS Questions and Answers
Which part of the brain helps to control the person's respiration and heart rate?
Explanation:
The medulla oblongata, located at the base of the brainstem, plays a crucial role in regulating vital functions such as respiration and heart rate. It contains centers responsible for controlling breathing rhythm and heart rate, among other autonomic functions.
In which of the following areas would a 3D echocardiogram not be used?
Explanation:
A 3D echocardiogram is a specialized imaging technique primarily used in medical settings such as operating rooms, cardiac catheterization labs, and ablation labs for detailed visualization of the heart's structure and function. It is not typically used in physical therapy settings.
Which of the following vessels carry oxygenated blood to the myocardium?
Explanation:
Coronary arteries supply oxygenated blood to the myocardium (heart muscle). They originate from the aorta and branch off to provide oxygen-rich blood directly to the heart tissue, ensuring proper function and nourishment of the myocardium.
A chemistry check would determine information regarding all of the following, except_______:
Explanation:
A chemistry check, also known as a basic metabolic panel (BMP) or comprehensive metabolic panel (CMP), typically assesses the function of organs such as the kidneys, liver, and blood glucose levels. However, it does not provide information specifically about the brain.
The veins and __________ would be considered a part of the human circulatory system.
Explanation:
The veins, along with the heart, arteries, and capillaries, form the human circulatory system. The heart pumps blood through the arteries to various parts of the body, and the veins return the blood back to the heart. The circulatory system ensures the transportation of oxygen, nutrients, and waste products throughout the body.
An aneurysm has the potential to be caused by all but which of the following uncommon arterial wall infections?
Explanation:
Arterial wall infections such as Staphylococcus, Tuberculosis, and Syphilis can contribute to the development of aneurysms by weakening the arterial wall. However, Measles is not typically associated with arterial wall infections that lead to aneurysms.
Marfan syndrome is a genetic disorder that causes which of the following conditions?
Explanation:
Marfan syndrome is a genetic disorder that affects the connective tissue, leading to various abnormalities, including abnormally long digits and extremities (A), descending aortic aneurysm (B), and subluxation (C), which is a partial dislocation of joints. These are common manifestations of Marfan syndrome due to the structural weaknesses in connective tissue.
The right coronary artery originates from the ________________?
Explanation:
The right coronary artery (RCA) originates from the right coronary aortic sinus, which is one of the three sinuses of Valsalva located at the root of the ascending aorta. The RCA supplies blood to the right atrium, right ventricle, and portions of the conducting system of the heart.
Which of the following might not be considered correct regarding the patient with an AAA?
Explanation:
While hypertension can be a risk factor for developing an abdominal aortic aneurysm (AAA), it is not a universal symptom. Many patients with AAA do not experience hypertension.
The liquid suspensions that can be injected into the patient's circulation to help reduce echogenicity would be considered which of the following?
Explanation:
Contrast agents are liquid suspensions injected into the patient's circulation during medical imaging procedures to improve visualization of blood vessels and organs by reducing echogenicity, enhancing contrast, and improving image quality. Antibiotics are medications used to treat bacterial infections, speckles are small spots or marks, and radiation refers to energy emitted as electromagnetic waves or particles.
The nonrigid stretch-ability of vessels would be considered __________?
Explanation:
Compliance refers to the ability of blood vessels to stretch and expand in response to changes in pressure. It reflects the vessel's elasticity and ability to accommodate changes in blood volume without significant changes in pressure. Compliance is an important factor in maintaining normal blood flow and regulating blood pressure.