Funds: Ch. 25 Diagnostic Tests

What is involved in summarizing patient teaching for diagnostic procedures?

• Only providing a brochure

• Preparation instructions and what to expect

• Telling them to ask the doctor

• Giving them a list of medications

Answer explanation

Summarizing patient teaching for diagnostic procedures involves providing preparation instructions and what to expect during the procedure, ensuring patients are well-informed and comfortable.

What is one of the roles of nursing in diagnostic tests?

• Prescribing medication

• Reviewing and verifying provider orders

• Performing surgery

• Diagnosing illnesses

Answer explanation

One of the key roles of nursing in diagnostic tests is reviewing and verifying provider orders. This ensures that tests are appropriate and correctly ordered, which is essential for accurate diagnosis and patient care.

What is the primary function of White Blood Cells (WBCs)?

• Carry oxygen

• Fight infection

• Help with blood clotting

• Carry nutrients

Answer explanation

The primary function of White Blood Cells (WBCs) is to fight infection. They are crucial components of the immune system, helping to identify and eliminate pathogens that invade the body.

Which of the following is a normal hemoglobin range for females?

• 14–17.3 g/dL

• 11.7–15.5 g/dL

• 4.21–6.01 mm³

• 4.01–5.51 mm³

Answer explanation

The normal hemoglobin range for females is 11.7–15.5 g/dL. The other options either exceed or are below the typical range for female hemoglobin levels.

What is the function of lipase in the body?

• It is a hormone that regulates blood pressure

• It is a digestive enzyme from the pancreas

• It is a protein that carries oxygen in the blood

• It is an enzyme that breaks down carbohydrates

Answer explanation

Lipase is a digestive enzyme produced by the pancreas that helps break down fats into fatty acids and glycerol, aiding in digestion. This makes 'It is a digestive enzyme from the pancreas' the correct choice.

Why might a patient feel uncomfortable during an MRI scan?

• Exposure to radiation

• Loud knocking noises and claustrophobia

• High temperatures

• Bright lights

Answer explanation

Patients may feel uncomfortable during an MRI due to loud knocking noises from the machine and feelings of claustrophobia caused by the enclosed space, making these the primary reasons for discomfort.

What is the primary purpose of using multiple X-ray images in CT scans?

• To reduce radiation exposure

• To create detailed 3D views of internal organs

• To enhance color contrast in images

• To shorten the scanning time

Answer explanation

The primary purpose of using multiple X-ray images in CT scans is to create detailed 3D views of internal organs, allowing for better diagnosis and assessment of conditions compared to traditional 2D X-rays.

What is a common use of ultrasonography/echocardiogram?

• Assessing bone fractures

• Evaluating cardiac valve function

• Measuring lung capacity

• Testing muscle strength

Answer explanation

Ultrasonography, particularly echocardiograms, is commonly used to evaluate cardiac valve function, allowing for assessment of heart health and detection of any abnormalities.

What is the primary purpose of an Esophagogastroduodenoscopy (EGD)?

• To examine the esophagus, stomach, and upper duodenum for ulcers, tumors, and injuries

• To examine the colon and terminal ileum for polyps and tumors

• To perform a biopsy of the liver

• To measure blood pressure in the arteries

Answer explanation

The primary purpose of an Esophagogastroduodenoscopy (EGD) is to examine the esophagus, stomach, and upper duodenum for ulcers, tumors, and injuries, making this the correct choice among the options provided.

What is endoscopy primarily used to evaluate?

• Abnormal tissue in the vagina and cervix

• Small growths like cysts, warts, or moles

• Conditions of the digestive system

• Skin conditions

Answer explanation

Endoscopy is primarily used to evaluate conditions of the digestive system, allowing doctors to visualize and diagnose issues within the gastrointestinal tract.