#1
Which of the following is a vital sign?
Temperature
ExplanationIndicator of body's core heat level.
#2
What is the purpose of a stethoscope in clinical practice?
To listen to heart and lung sounds
ExplanationAuscultation for cardiac and respiratory evaluation.
#3
What is the primary function of an otoscope?
To assess hearing and inspect the ear canal
ExplanationExamination of ear structure and function.
#4
What is the purpose of a pulse oximeter?
To assess oxygen saturation in the blood
ExplanationIndicates blood oxygen levels.
#5
What is the term for a sudden, involuntary contraction of a muscle or group of muscles?
Spasm
ExplanationUncontrolled muscular movement.
#6
What is the purpose of the Snellen chart?
To evaluate visual acuity
ExplanationAssessment of visual clarity.
#7
What is the term for difficulty breathing?
Dyspnea
ExplanationSubjective sensation of breathing discomfort.
#8
Which of the following is a sterile procedure?
Drawing blood for testing
ExplanationMinimizes risk of infection during blood collection.
#9
When performing CPR on an adult, what is the correct compression-to-breath ratio?
30 compressions to 2 breaths
ExplanationMaintains circulation and oxygenation during resuscitation.
#10
What is the purpose of a centrifuge in a medical laboratory?
To separate blood components
ExplanationFacilitates isolation of different blood elements.
#11
Which of the following is a proper technique for administering medication via intramuscular injection?
Inserting the needle at a 90-degree angle
ExplanationEnsures proper drug delivery into muscle tissue.
#12
Which of the following is a symptom of hypoglycemia?
Cold sweats
ExplanationResult of low blood sugar levels.
#13
What is the first step in the process of wound healing?
Inflammation
ExplanationBody's response to tissue injury.
#14
Which of the following is a sign of shock?
Pale, cool, clammy skin
ExplanationBody's response to inadequate blood flow.
#15
Which of the following is a method used for sterilization in a medical setting?
Autoclaving
ExplanationUtilizes steam under pressure to eliminate microbes.
#16
What is the purpose of the Glasgow Coma Scale?
To measure level of consciousness
ExplanationAssessment tool for neurological status.
#17
In electrocardiography (ECG or EKG), what does the QRS complex represent?
Ventricular depolarization
ExplanationElectrical activity during ventricular contraction.