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CRNFA : NASC Certified Registered Nurse First Assistant Exam
Nursing CRNFA Questions & Answers
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Question: 1
Which of the following is an example of a macronutrient?
Vitamin C
Iron
Calcium
wer: D
anation: Carbohydrate is an example of a macronutrient. Macronutrie utrients required by the body in large amounts to provide energy and ort various physiological functions. They include carbohydrates, prote ats. Carbohydrates are a primary source of energy for the body and ar
in foodssuch as grains, fruits, and vegetables.
stion: 2
ch of the following laboratory values is considered within the normal r asting blood glucose?
mg/dL mg/dL
10 mg/dL
50 mg/dL
Expl nts
are n
supp ins,
and f e
found
Que
Whi ange
for f
50
80
1
1
Answer: C
Explanation: A fasting blood glucose level of 110 mg/dL is considered within the normal range. Fasting blood glucose is typically measured after an individual has not eaten or drunk anything except water for at least 8 hours. Normal fasting blood glucose levels generally range from 70 to 99 mg/dL,
although specific reference ranges may vary.
Question: 3
Which of the following is a key aspect of ensuring environmental safety in the operating room suite?
egular equipment calibration dequate staffing levels ppropriate waste disposal
wer: A
anation: Proper hand hygiene is a key aspect of ensuring environment safety in the operating room suite. Hand hygiene, including handwashing a
se of hand sanitizers, is crucial to prevent the spread of infection and tain a sterile environment during surgical procedures.
stion: 4
ch component of the patient's medical history provides information ab past and current health status, including any chronic conditions, surge lergies?
ocial history
Proper hand hygiene R A A Ans Expl al nd the u main Whi out their ries, or al S Family history Medication history Past medical history Answer: D Explanation: Past medical history provides information about the patient's past and current health status, including any chronic conditions, surgeries, or allergies. It helps healthcare providers understand the patient's medical background and identify potential risk factors or contraindications for certain treatments or interventions. nt's words or phrases to show understanding and encourage further munication? pen-ended questions eflective listening losed-ended questions on-verbal communication wer: B anation: Reflective listening is a patient interviewing technique that ves repeating the patient's words or phrases to show understanding an urage further communication. It is a valuable skill for building rappor onstrating empathy, and facilitating effective patient-provider munication. Which of the following patient interviewing techniques involves repeating the patie com O R C N Ans Expl invol d enco t, dem com Which of the following laboratory values is considered within the normal range for serum creatinine? 0.5 mg/dL 1.2 mg/dL 2.5 mg/dL 4.0 mg/dL Answer: B ch of the following laboratory tests is commonly used to identify the ence of infectious microorganisms in a patient's specimen? omplete blood count (CBC) iver function tests rinalysis icrobial culture wer: D anation: Microbial culture is commonly used to identify the presence tious microorganisms in a patient's specimen. This laboratory test inv ulating the patient's specimen, such as blood, urine, or sputum, onto a re medium that promotes the growth of microorganisms. After an bation period, the cultured specimen is examined for the presence of Whi pres C L U M Ans Expl of infec olves inoc cultu incu bacteria, viruses, fungi, or parasites, which helps in diagnosing and guiding appropriate treatment for infectious diseases. Which of the following diagnostic procedures is commonly used to visualize the structures inside the joint, such as the knee or shoulder? Electrocardiogram (ECG) Echocardiography Arthroscopy anation: Arthroscopy is a diagnostic procedure commonly used to vis tructures inside a joint, such as the knee or shoulder. It involves insert flexible tube called an arthroscope into the joint through a small incis rthroscope contains a camera and light source, allowing the healthcar ider to examine the joint's interior and diagnose any abnormalities or ies. ch of the following is an invasive diagnostic procedure commonly use alize the coronary arteries? lectrocardiogram (ECG) chocardiography ardiac catheterization agnetic resonance imaging (MRI) Expl ualize the s ing a thin, ion. The a e prov injur Whi d to visu E E C M Answer: C Explanation: Cardiac catheterization is an invasive diagnostic procedure commonly used to visualize the coronary arteries. It involves threading a catheter through a blood vessel, usually from the groin or arm, and advancing it to the heart. Contrast dye is injected through the catheter to visualize the blood flow through the coronary arteries and identify any blockages or abnormalities. Which of the following is a non-invasive procedure used to evaluate the function and structure of the heart? Electrocardiogram (ECG) ositron emission tomography (PET) scan ronchoscopy wer: A anation: An electrocardiogram (ECG) is a non-invasive procedure use uate the function and structure of the heart. It measures the electrical ity of the heart by placing electrodes on the skin. The ECG provides mation about the heart's rhythm, rate, and any abnormalities in the rical conduction system. ch of the following hemodynamic monitoring parameters provides an ect measurement of left ventricular preload? entral venous pressure (CVP) ulmonary artery wedge pressure (PAWP) P B Ans Expl d to eval activ infor elect Whi indir C P Cardiac output (CO) Mean arterial pressure (MAP) Answer: B Explanation: Pulmonary artery wedge pressure (PAWP) provides an indirect measurement of left ventricular preload. It is obtained by inflating a balloon- tipped catheter positioned in the pulmonary artery until it wedges against the vessel wall. PAWP reflects the pressure within the left atrium and provides an estimate of the left ventricular filling pressure, which is an indicator of preload. natomy hysiology icrobiology athophysiology wer: A anation: Anatomy is the branch of science that deals with the study of ture and function of body parts. It involves examining the different or es, and systems of the body and their relationships to one another. erstanding anatomy is crucial for healthcare professionals, as it provid oundation for understanding how the body works and how diseases or itions may impact its functioning. ng laser surgery, which of the following is one of the most crucial Which branch of science deals with the study of the structure and function of body parts? A P M P Ans Expl the struc gans, tissu Und es the f cond Duri elements of determining how to adequately evacuate the smoke? The color of the smoke plume. The amount of the smoke plume produced. How long the smoke plume lasts. None of the above Answer: B ch of the following is an example of a psychosocial issue that may im nt's surgical outcome? isk for infection nancial resources lectrolyte imbalance nemia wer: B anation: Financial resources are an example of a psychosocial issue th mpact a patient's surgical outcome. Financial constraints or lack of urces can affect a patient's access to necessary healthcare services, cations, and post-operative care. It is important for healthcare essionals to consider the psychosocial factors that may influence a pati Whi pact a patie R Fi E A Ans Expl at may i reso medi prof ent's overall well-being and adherence to the treatment plan. Which of the following is a common method of hemodynamic monitoring used in critically ill patients? Arterial blood gas (ABG) analysis Pulmonary function testing Electroencephalography (EEG) Central venous pressure (CVP) monitoring Answer: D modynamic monitoring used in critically ill patients. It involves placi eter into a central vein, typically the superior vena cava, to measure th ure within the right side of the heart. CVP monitoring provides mation about the patient's fluid status and cardiac function. ch of the following is an example of a non-invasive nursing assessmen uscultation of lung sounds sertion of a urinary catheter enipuncture for blood sampling uturing a wound wer: A anation: Auscultation of lung sounds is an example of a non-invasive Explanation: Central venous pressure (CVP) monitoring is a common method of he ng a cath e press infor Whi t skill? A In V S Ans Expl nursing assessment skill. It involves using a stethoscope to listen to the sounds produced by the lungs during breathing. Auscultation allows the nurse to assess the presence of abnormal lung sounds, such as crackles or wheezes, which can provide valuable information about a patient's respiratory status. Which of the following is a branch of science that focuses on the study of drugs and their effects on the body? Anatomy Physiology Microbiology wer: D anation: Pharmacology is the branch of science that focuses on the stu and their effects on the body. It involves understanding how drugs act with biological systems, including their mechanisms of action, peutic uses, side effects, and interactions with other substances. macology plays a crucial role in healthcare, as it informs the safe and tive use of medications to treat various diseases and conditions. Expl dy of drugs inter thera Phar effecQue
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