catheter. Cannulas and catheters are both flexible tubes that can be inserted into veins or cavities to remove or introduce fluids, provide medication or withdraw blood.
What is a hollow tube that is inserted into a body cavity to inject or remove fluid?
Medical definitions for catheter
A hollow, flexible tube inserted into a body cavity, duct, or vessel to allow the passage of fluids or distend a passageway, its many uses include the diagnosis of heart disorders when inserted through a blood vessel into the heart.
Which of the following terms describes a procedure in which an instrument is inserted into a tubular or hollow organ to examine its interior?
Endoscopy An examination inside the body using an endoscope, an instrument used to examine the interior of a hollow organ or cavity of the body. Unlike most other medical imaging devices, endoscopes are inserted directly into the organ.
Which of the following is the insertion of a flexible tube into the body?
Gastrostomy feeding tube (G-tube) insertion is done in part using a procedure called endoscopy. This is a way of looking inside the body using a flexible tube with a small camera on the end of it. The endoscope is inserted through the mouth and down the esophagus, which leads to the stomach.
What is the term for substances that produce insensibility or stupor?
Narcotic: A drug that produces insensibility or stupor. The term is now generally used to describe a class of drugs, such as morphine, which are addictive analgesics.
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What is the name of the membrane that lines the abdominal cavity and invests the internal organs?
The peritoneum is the serosal membrane that lines the abdominal cavity. The portion that covers the viscera and other intraabdominal structures is known as the visceral peritoneum, and that which lines the abdominal cavity is known as the parietal peritoneum.
Which condition is also known as precancerous lesions?
Actinic keratoses are very common, and many people have them. They are caused by ultraviolet (UV) damage to the skin. Some actinic keratoses can turn into squamous cell skin cancer. Because of this, the lesions are often called precancer.
What the suffix in the term lithotripsy means?
In the term lithotripsy, the suffix -tripsy means: crushing.
What is the procedure in which the image is digitized and immediately displayed on a monitor or recorded on film called?
fluoroscopy. catheterization. the procedure in which the image is digitized and immediately displayed on a monitor or recorded on film is. auscultation.
What do we call tapping the body with the fingertips or fist to evaluate internal organs or to evaluate fluid in a body cavity?
Percussion is a method of tapping body parts with fingers, hands, or small instruments as part of a physical examination. It is done to determine: The size, consistency, and borders of body organs. The presence or absence of fluid in body areas.
What term means to destroy sperm?
Medical Definition of spermicide
: a preparation or substance (as nonoxynol-9) used to kill sperm. — called also spermatocide.
What is the name of the long flexible tube passed into the heart chambers through blood vessels quizlet?
A specialized diagnostic procedure in which a catheter (a hollow, flexible tube) is introduced into a large vein or artery, usually of an arm or a leg, and then threaded through the circulatory system to the heart.
Which term means renal pelvis inflammation?
pyelonephritis, infection and inflammation of the kidney tissue and the renal pelvis (the cavity formed by the expansion of the upper end of the ureter, the tube that conveys urine to the bladder).
What is the term for the rhythmic expansion of an artery that occurs as the heart beats?
Pulse refers to the rhythmic expansion of an artery that is caused by ejection of blood from the ventricle. It can be felt where an artery is close to the surface and rests on something firm. In common usage, the term blood pressure refers to arterial blood pressure, the pressure in the aorta and its branches.
What term means to fasten on beneath or under?
Suffix. Suffix means to fasten on, beneath, or under. A suffix can be a syllable or group of syllables united with or placed at the end of a word to alter or modify the meaning of the word or to create a new word.
What is the term that means the introduction of a catheter?
Definition of catheterization
: the use of or introduction of a catheter (as in or into the bladder, trachea, or heart)
What is peritoneal lining?
The peritoneum is the serous membrane forming the lining of the abdominal cavity or coelom in amniotes and some invertebrates, such as annelids. It covers most of the intra-abdominal (or coelomic) organs, and is composed of a layer of mesothelium supported by a thin layer of connective tissue.
What is the name of the membrane lining the walls of the abdominal cavity?
Here’s the serous membrane that lines the abdominal cavity, the parietal peritoneum.
What is a peritoneum?
Your peritoneum is the tissue that lines your abdominal wall and covers most of the organs in your abdomen. A liquid, peritoneal fluid, lubricates the surface of this tissue. Disorders of the peritoneum are not common. They include: Peritonitis – an inflammation of the peritoneum.
Can precancerous cells make you sick?
“Precancer means there isn’t cancer there yet, but if you don’t monitor or do something about it, it may develop into cancer,” King said. These changes do not mean you’re on the brink of a serious illness. In fact, many women are told that they have precancerous cervical cells.
Is precancerous considered malignant?
Sometimes precancerous cells progress to cancer, but more often they don’t. They may stay the same—that is, remain abnormal but not invasive—or they may even become normal again. Again, it’s important to note that cells that are precancerous are not cancer cells.
What is Bowen disease?
Bowen’s disease is a very early form of skin cancer that’s easily treatable. The main sign is a red, scaly patch on the skin. It affects the squamous cells, which are in the outermost layer of skin, and is sometimes referred to as squamous cell carcinoma in situ.
Is a lithotripsy painful?
Passing even tiny kidney stone fragments can hurt — sometimes a lot. If you have shock wave lithotripsy, expect to feel some discomfort as stone fragments pass in the days and weeks after treatment. Pain may come and go until all the kidney stone pieces have worked their way out of your body.
What is a cystourethroscopy procedure?
Cystoscopy (sis-TOS-kuh-pee) is a procedure that allows your doctor to examine the lining of your bladder and the tube that carries urine out of your body (urethra). A hollow tube (cystoscope) equipped with a lens is inserted into your urethra and slowly advanced into your bladder.
What are the types of lithotripsy?
At Urological Associates, our kidney stone experts perform three types of lithotripsy:
- Ultrasonic lithotripsy. …
- Electrohydraulic lithotripsy (EHL) …
- Extracorporeal shock wave lithotripsy (ESWL)
Which term describes a procedure that involves entry into a body cavity?
Invasive procedure. A medical procedure that invades (enters) the body, usually by cutting or puncturing the skin or by inserting instruments into a body cavity.
How are digital images formed quizlet?
The formation of digital images requires a digital computer. … 3 steps to image digitization include Scanning, Sampling, Quantization. Sampling. Measures the brightness of each pixel in the entire image.
Which of the following means hollow flexible tube inserted in vessels or cavities?
Frequency: A hollow flexible tube for insertion into a body cavity, duct, or vessel to allow the passage of fluids or distend a passageway.
Which of the following terms describes a procedure in which an instrument is inserted into a tubular or hollow organ to examine its interior?
Endoscopy An examination inside the body using an endoscope, an instrument used to examine the interior of a hollow organ or cavity of the body. Unlike most other medical imaging devices, endoscopes are inserted directly into the organ.
Which of the following procedures is more likely to be performed to relieve the pain caused by a herniated disk?
Diskectomy is a surgical procedure to remove the damaged portion of a herniated disk in your spine. A herniated disk can irritate or compress nearby nerves. Diskectomy is most effective for treating pain that radiates down your arms or legs.
Which term means tending to become worse spread and cause death?
adj. Threatening to life, as a disease, virulent. Tending to metastasize, cancerous. Used of a tumor.
How successful is the pull out method?
For every 100 people who use the pull out method perfectly, 4 will get pregnant. But pulling out can be difficult to do perfectly. So in real life, about 22 out of 100 people who use withdrawal get pregnant every year — that’s about 1 in 5.
Can lube keep you from getting pregnant?
First, a caveat: Personal lubricant is not a contraceptive. Even though studies show that lube can impact sperm’s ability to swim, it’s always possible that unprotected sex could result in a pregnancy.
Do condoms have spermicide?
Condoms are a form of barrier birth control, and they come in many varieties. Some condoms come coated with spermicide, which is a type of chemical that damages sperm. The spermicide most often used on condoms is nonoxynol-9. When used as directed, condoms can protect against pregnancy 98 percent of the time.
What is any drug that contains radioactive atoms called?
Radiopharmaceuticals are drugs that contain radioactive materials called radioisotopes.
What is the name of the long flexible tube passed into the heart chambers through blood vessels?
Cardiac catheterization – in which a thin flexible tube is passed through an artery or a vein to the heart and into a coronary artery to diagnose problems in heart function and blockage – is one of the most accurate diagnostic tests available.
What is the name of the long flexible tube passed into the heart chambers?
carotid (kuh-RAH-tid) artery: The carotid arteries are the two large blood vessels in the neck that supply blood to the brain. catheter (KA-thuh-ter): A catheter is a thin, flexible tube. It can be inserted into a blood vessel in the leg, arm, or neck and threaded to the heart during a cardiac catheterization.
Which medical term means condition of no sperm?
Azoospermia is the medical term used when there are no sperm in the ejaculate. It can be “obstructive,” where there is a blockage preventing sperm from entering the ejaculate, or it can be “nonobstructive” when it is due to decreased sperm production by the testis.
What stage of urine production involves the removal of substances from the bloodstream?
Glomerular filtration is the first step in urine formation and constitutes the basic physiologic function of the kidneys. It describes the process of blood filtration in the kidney, in which fluid, ions, glucose, and waste products are removed from the glomerular capillaries.
Which toxic condition is caused by excessive urea in the bloodstream?
Uremia occurs when your kidneys become damaged. The toxins, or bodily waste, that your kidneys normally send out in your urine end up in your bloodstream instead. These toxins are known as creatinine and urea. Uremia is a serious condition and, if untreated, can be life-threatening.
What keeps your heart beating?
Your heartbeat is triggered by electrical impulses that travel down a special pathway through your heart: SA node (sinoatrial node) – known as the heart’s natural pacemaker. The impulse starts in a small bundle of specialized cells located in the right atrium, called the SA node.
Is it normal to see your heartbeat in your stomach?
It’s normal to feel your pulse in your stomach. What you’re picking up on is your pulse in your abdominal aorta. The aorta is the main artery that carries blood from the heart to the rest of the body. It runs from your heart, down the center of your chest, and into your abdomen.
Is the surgical puncture of a body cavity for fluid removal?
Paracentesis, or abdominal tapping, is a procedure to remove excess fluid from the area between the abdominal wall and the spine. This area is known as the abdominal cavity. Excess fluid in the abdomen is called ascites.
What is the medical term for surgical puncture to remove fluid?
[ ăb-dŏm′ə-nō-sĕn-tē′sĭs ] n. Surgical puncture of the abdomen by a needle to withdraw fluid, abdominal paracentesis.
How is catheter inserted into a woman?
Insert the catheter:
Hold the labia apart with one hand. Slowly put the catheter into the meatus with your other hand. Gently push the catheter about 3 inches into the urethra until urine begins to come out. Once urine starts to flow, push the catheter up 1 inch more and hold it in place until the urine stops.
How does a catheter get inserted?
Rather than being inserted through your urethra, the catheter is inserted through a hole in your tummy (abdomen) and then directly into your bladder. This procedure can be done under general anaesthetic, epidural anaesthetic or local anaesthetic.